OOPS!? I made a mistake in my post!? Every additional Front panel interface board with a different address actually adds up to FOUR additional encoders＃ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of Jack, W8TEE via groups.io
Sent: Tuesday, December 24, 2024 8:38 AM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] Encoder cards? Al and I were working on my non-I2C version of the T41. Al suggested putting the two voltage regulator heat sinks on the Main board on the backside of the PCB. This is a good idea because the way those heat sinks are mounted when done on the front of the PCB ends up heating the Teensy as the warmed air rises. Just remember to pay attention to the leads when installed on the back. It is truly a pain to mount other components on any board if you mount the IDC components first. Indeed, a good general rule is to mount the "single-story" parts first (SMD caps and resistors, diodes, IC's, etc.) and then move to the "high-rise" parts (e.g., electrolytics, transistors, heat sinks, etc.). Since I use a hot air gun for the SMD parts, I mount the small IC's first (Si5351, op amps, etc,). Let them cool completely before mounting any nearby SMD parts. On Monday, December 23, 2024 at 11:53:14 PM EST, K9HZ <bill@...> wrote: Remember what I said＃ you can add a second front panel board at a different I2C address and two more encoders (or just the buttons＃ or just the encoders)＃ and add the software for two more dedicated controls＃ like for the attenuators, or filter bandwidth＃ or (make something up here＃)＃ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? It is such a pleasure operating the T41 with real power. People hear
me, they give me good reports. A total homebrew
kilowatt! And I had a couple of long, satisfying cross-country QSO's.
I finally got around to trying the K9HZ encoder cards. They sure do
make a neat installation. My first mistake was
to solder the IDC box connector first. That makes installation of all
the SMD caps pretty miserable. It was so hard
that on the second one, I *unsoldered* the IDC connector and removed it.
Removing the IDC connector was a bit of a pain. I sucked out the pins
with my Hakko, and then tried solder wick...it
wasn't going anywhere. Then I remembered "Mr Solderfix". He's a guy
who is an absolute master at PC board repair. I
had seen one of his Youtube videos... I got a piece of 14 gauge wire
and laid it down the middle of all those pins. I soldered it to all the
pins, heated it up some more, and ....the connector just fell out.
On this second board, I used solder paste and a hotplate for the SMDs.
Piece of cake!
Second mistake was to put both the connector AND the encoder on the
same side of the board... BAck to the radio - Nope, that's not going
to work. I unsoldered the encoder and put it on the other side.
Back out to the radio. Plugged in the encoders...They work!
Interestingly, my current software DOES have support for the
pushbuttons. I click the volume knob, and it changes from VOL to AGC.
Then Mic, then STn ( what's that? ) and then NFl ( what's that? ).
If I spin the volume knob fast, it misses a lot of pulses. I think
the .1uF capacitors have something to do with that.
Maybe .01's would make it more responsive?
- Jerry, KF6VB
--
Jack, W8TEE
|
I wish I had mounted the heatsinks on the rear also. I would move
them, if I thought I could unsolder them without ruining the PCB.
I'll have to check Mr. SolderFix and see if he has a process. I
may just build a new Main board.
On 12/24/2024 9:37 AM, Jack, W8TEE via
groups.io wrote:
Al and I were working on my
non-I2C version of the T41. Al suggested putting the two
voltage regulator heat sinks on the Main board on the backside
of the PCB. This is a good idea because the way those heat
sinks are mounted when done on the front of the PCB ends up
heating the Teensy as the warmed air rises. Just remember to
pay attention to the leads when installed on the back.
It is truly a pain to mount
other components on any board if you mount the IDC
components first. Indeed, a good general rule is to mount the
"single-story" parts first (SMD caps and resistors, diodes,
IC's, etc.) and then move to the "high-rise" parts (e.g.,
electrolytics, transistors, heat sinks, etc.). Since I use a
hot air gun for the SMD parts, I mount the small IC's first
(Si5351, op amps, etc,). Let them cool completely before
mounting any nearby SMD parts.
Jack, W8TEE
On Monday, December 23, 2024 at 11:53:14 PM EST, K9HZ
<bill@...> wrote:
Remember what I
said＃ you can add a second front panel board at a
different I2C address and two more encoders (or
just the buttons＃ or just the encoders)＃ and add
the software for two more dedicated controls＃ like
for the attenuators, or filter bandwidth＃ or (make
something up here＃)＃
?
?
Dr.
William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ
PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ
?
Owner
- Operator
Big
Signal Ranch 每 K9ZC
Staunton,
Illinois
?
Owner
每 Operator
Villa
Grand Piton 每 J68HZ
Soufriere,
St. Lucia W.I.
Rent
it:
?
Moderator:
North American QRO Group at Groups.IO.
Moderator:
Amateur Radio Builders Group at Groups.IO.
?
email:?
bill@...
?
?
?
It is
such a pleasure operating the T41 with real power.
People hear
me, they give me good reports. A total homebrew
kilowatt! And I had a couple of long, satisfying
cross-country QSO's.
I finally got around to trying the K9HZ encoder
cards. They sure do
make a neat installation. My first mistake was
to solder the IDC box connector first. That makes
installation of all
the SMD caps pretty miserable. It was so hard
that on the second one, I *unsoldered* the IDC
connector and removed it.
Removing the IDC connector was a bit of a pain. I
sucked out the pins
with my Hakko, and then tried solder wick...it
wasn't going anywhere. Then I remembered "Mr
Solderfix". He's a guy
who is an absolute master at PC board repair. I
had seen one of his Youtube videos... I got a piece
of 14 gauge wire
and laid it down the middle of all those pins. I
soldered it to all the
pins, heated it up some more, and ....the connector
just fell out.
On this second board, I used solder paste and a
hotplate for the SMDs.
Piece of cake!
Second mistake was to put both the connector AND the
encoder on the
same side of the board... BAck to the radio - Nope,
that's not going
to work. I unsoldered the encoder and put it on the
other side.
Back out to the radio. Plugged in the
encoders...They work!
Interestingly, my current software DOES have support
for the
pushbuttons. I click the volume knob, and it changes
from VOL to AGC.
Then Mic, then STn ( what's that? ) and then NFl (
what's that? ).
If I spin the volume knob fast, it misses a lot of
pulses. I think
the .1uF capacitors have something to do with that.
Maybe .01's would make it more responsive?
- Jerry, KF6VB
--
Jack, W8TEE
--
73
Bob W3RDL
|
Al and I were working on my non-I2C version of the T41. Al suggested putting the two voltage regulator heat sinks on the Main board on the backside of the PCB. This is a good idea because the way those heat sinks are mounted when done on the front of the PCB ends up heating the Teensy as the warmed air rises. Just remember to pay attention to the leads when installed on the back.
It is truly a pain to mount other components on any board if you mount the IDC components first. Indeed, a good general rule is to mount the "single-story" parts first (SMD caps and resistors, diodes, IC's, etc.) and then move to the "high-rise" parts (e.g., electrolytics, transistors, heat sinks, etc.). Since I use a hot air gun for the SMD parts, I mount the small IC's first (Si5351, op amps, etc,). Let them cool completely before mounting any nearby SMD parts.
Jack, W8TEE
On Monday, December 23, 2024 at 11:53:14 PM EST, K9HZ <bill@...> wrote:
Remember what I said＃ you can add a second front panel board at a different I2C address and two more encoders (or just the buttons＃ or just the encoders)＃ and add the software for two more dedicated controls＃ like for the attenuators, or filter bandwidth＃ or (make something up here＃)＃ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB
Sent: Monday, December 23, 2024 10:45 PM
To: [email protected]
Subject: [AmateurRadioBuilders] Encoder cards ? It is such a pleasure operating the T41 with real power. People hear
me, they give me good reports. A total homebrew
kilowatt! And I had a couple of long, satisfying cross-country QSO's.
I finally got around to trying the K9HZ encoder cards. They sure do
make a neat installation. My first mistake was
to solder the IDC box connector first. That makes installation of all
the SMD caps pretty miserable. It was so hard
that on the second one, I *unsoldered* the IDC connector and removed it.
Removing the IDC connector was a bit of a pain. I sucked out the pins
with my Hakko, and then tried solder wick...it
wasn't going anywhere. Then I remembered "Mr Solderfix". He's a guy
who is an absolute master at PC board repair. I
had seen one of his Youtube videos... I got a piece of 14 gauge wire
and laid it down the middle of all those pins. I soldered it to all the
pins, heated it up some more, and ....the connector just fell out.
On this second board, I used solder paste and a hotplate for the SMDs.
Piece of cake!
Second mistake was to put both the connector AND the encoder on the
same side of the board... BAck to the radio - Nope, that's not going
to work. I unsoldered the encoder and put it on the other side.
Back out to the radio. Plugged in the encoders...They work!
Interestingly, my current software DOES have support for the
pushbuttons. I click the volume knob, and it changes from VOL to AGC.
Then Mic, then STn ( what's that? ) and then NFl ( what's that? ).
If I spin the volume knob fast, it misses a lot of pulses. I think
the .1uF capacitors have something to do with that.
Maybe .01's would make it more responsive?
- Jerry, KF6VB
-- Jack, W8TEE
|
Remember what I said＃ you can add a second front panel board at a different I2C address and two more encoders (or just the buttons＃ or just the encoders)＃ and add the software for two more dedicated controls＃ like for the attenuators, or filter bandwidth＃ or (make something up here＃)＃ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB
Sent: Monday, December 23, 2024 10:45 PM
To: [email protected]
Subject: [AmateurRadioBuilders] Encoder cards? It is such a pleasure operating the T41 with real power. People hear
me, they give me good reports. A total homebrew
kilowatt! And I had a couple of long, satisfying cross-country QSO's.
I finally got around to trying the K9HZ encoder cards. They sure do
make a neat installation. My first mistake was
to solder the IDC box connector first. That makes installation of all
the SMD caps pretty miserable. It was so hard
that on the second one, I *unsoldered* the IDC connector and removed it.
Removing the IDC connector was a bit of a pain. I sucked out the pins
with my Hakko, and then tried solder wick...it
wasn't going anywhere. Then I remembered "Mr Solderfix". He's a guy
who is an absolute master at PC board repair. I
had seen one of his Youtube videos... I got a piece of 14 gauge wire
and laid it down the middle of all those pins. I soldered it to all the
pins, heated it up some more, and ....the connector just fell out.
On this second board, I used solder paste and a hotplate for the SMDs.
Piece of cake!
Second mistake was to put both the connector AND the encoder on the
same side of the board... BAck to the radio - Nope, that's not going
to work. I unsoldered the encoder and put it on the other side.
Back out to the radio. Plugged in the encoders...They work!
Interestingly, my current software DOES have support for the
pushbuttons. I click the volume knob, and it changes from VOL to AGC.
Then Mic, then STn ( what's that? ) and then NFl ( what's that? ).
If I spin the volume knob fast, it misses a lot of pulses. I think
the .1uF capacitors have something to do with that.
Maybe .01's would make it more responsive?
- Jerry, KF6VB
|
It is such a pleasure operating the T41 with real power. People hear
me, they give me good reports. A total homebrew
kilowatt! And I had a couple of long, satisfying cross-country QSO's.
I finally got around to trying the K9HZ encoder cards. They sure do
make a neat installation. My first mistake was
to solder the IDC box connector first. That makes installation of all
the SMD caps pretty miserable. It was so hard
that on the second one, I *unsoldered* the IDC connector and removed it.
Removing the IDC connector was a bit of a pain. I sucked out the pins
with my Hakko, and then tried solder wick...it
wasn't going anywhere. Then I remembered "Mr Solderfix". He's a guy
who is an absolute master at PC board repair. I
had seen one of his Youtube videos... I got a piece of 14 gauge wire
and laid it down the middle of all those pins. I soldered it to all the
pins, heated it up some more, and ....the connector just fell out.
On this second board, I used solder paste and a hotplate for the SMDs.
Piece of cake!
Second mistake was to put both the connector AND the encoder on the
same side of the board... BAck to the radio - Nope, that's not going
to work. I unsoldered the encoder and put it on the other side.
Back out to the radio. Plugged in the encoders...They work!
Interestingly, my current software DOES have support for the
pushbuttons. I click the volume knob, and it changes from VOL to AGC.
Then Mic, then STn ( what's that? ) and then NFl ( what's that? ).
If I spin the volume knob fast, it misses a lot of pulses. I think
the .1uF capacitors have something to do with that.
Maybe .01's would make it more responsive?
- Jerry, KF6VB
|
Yikes＃ yeah have a look at that filter for sure! ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB
Sent: Sunday, December 22, 2024 1:29 PM
To: [email protected]
Subject: [AmateurRadioBuilders] 40M low power? I'm guessing the LPF is out of whack. I have 13W at the bottom of the
band,
and 9W at the top. I did check the passbands of the BPF on the bench.
- Jerry, KF6VB
|
I'm guessing the LPF is out of whack. I have 13W at the bottom of the
band,
and 9W at the top. I did check the passbands of the BPF on the bench.
- Jerry, KF6VB
|
LPF Cables fabricated. 20W out on 20M!!!! 24W on 15M! Only 9W on 40M
:(. 15W on 30M.
19W on 80M!
This is without peaking or tweaking ANYTHING. I just wound the BPF and
LPF per
instructions. Need to look at 40M...
- Jerry
toggle quoted message
Show quoted text
|
That part has not been programmed yet＃ ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
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From: [email protected] <[email protected]> On Behalf Of jerry-KF6VB
Sent: Sunday, December 22, 2024 12:25 PM
To: [email protected]
Cc: Oliver KI3P via groups.io <oliver@...>
Subject: Re: [AmateurRadioBuilders] V12 no transmit? I found it. The 2-pin header is now J10 on the Main Board.
Still no transmit though :(. Wonder if the software thinks there's a
100W PA?
- Jerry
On 2024-12-22 10:14, Oliver KI3P via groups.io wrote: The 20 W PA has such a 2-pin header, the LPF control board does not.
IIRC (don't have the schematic in front of me) it gets the TX/RX state
through the 10-pin IDC connector.
-------- Original Message --------
On 12/22/24 7:31 PM, jerry-KF6VB wrote: So - now my V12/K9HZ system receives fine. Time to try to transmit.
So
I scrounged up an RG316 cable to connect the TX output of the RF
board
to the LPF control card. Hit the mike button, and ...nothing.
Then I remembered - there's a signal that went from the old V11 LPF
to
the PA, to tell it to transmit.
+12V on transmit. There was a 2-pin header. Does the K9HZ LPF
control
card have such a header? I'm not seeing it on the schematic.
- Jerry, KF6VB
Links:
------
[1] /g/AmateurRadioBuilders/message/5627
[2] /mt/110245804/243852
[3] /g/AmateurRadioBuilders/post
[4] /g/AmateurRadioBuilders/editsub/243852
[5]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
Yeah you get TX from PIN 10 of the ※BANDS§ connector＃ or from the TX/TX pin on the main board (just continue wires 9 & 10 from the BANDS cable over to the 20W PA).? The 20W PA was designed way back in the V10 days when you got TX from running a wire over from the LPF/ main board cable continuation.? The 100W module has a ※BANDS§ connector on it so it＊s ready to go right out of the box. ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
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From: [email protected] <[email protected]> On Behalf Of Oliver KI3P via groups.io
Sent: Sunday, December 22, 2024 12:14 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] V12 no transmit? The 20 W PA has such a 2-pin header, the LPF control board does not. IIRC (don't have the schematic in front of me) it gets the TX/RX state through the 10-pin IDC connector.
-------- Original Message --------
On 12/22/24 7:31 PM, jerry-KF6VB wrote:
So - now my V12/K9HZ system receives fine. Time to try to transmit. So
I scrounged up an RG316 cable to connect the TX output of the RF board
to the LPF control card. Hit the mike button, and ...nothing.
Then I remembered - there's a signal that went from the old V11 LPF to
the PA, to tell it to transmit.
+12V on transmit. There was a 2-pin header. Does the K9HZ LPF control
card have such a header? I'm not seeing it on the schematic.
- Jerry, KF6VB
|
Its PIN 10 of the BANDS connector...
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
VP2EHZ
Owner - Operator
Big Signal Ranch 每 K9ZC
Staunton, Illinois
Owner 每 Operator
Villa Grand Piton 每 J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com
Moderator: North American QRO Group at Groups.IO.
Moderator: Amateur Radio Builders Group at Groups.IO.
email:? bill@...
toggle quoted message
Show quoted text
-----Original Message----- From: jerry <jerry@...> Sent: Sunday, December 22, 2024 11:32 AM To: [email protected]Cc: K9HZ <bill@...> Subject: V12 no transmit So - now my V12/K9HZ system receives fine. Time to try to transmit. So I scrounged up an RG316 cable to connect the TX output of the RF board to the LPF control card. Hit the mike button, and ...nothing. Then I remembered - there's a signal that went from the old V11 LPF to the PA, to tell it to transmit. +12V on transmit. There was a 2-pin header. Does the K9HZ LPF control card have such a header? I'm not seeing it on the schematic. - Jerry, KF6VB
|
|
|
On 2024-12-22 10:25, jerry-KF6VB wrote: I found it. The 2-pin header is now J10 on the Main Board.
Still no transmit though :(. Wonder if the software thinks there's a
100W PA? *** Doesn't seem to - that's actually a menu item in "RF Set". It was already set to zero. - Jerry
|
I found it. The 2-pin header is now J10 on the Main Board.
Still no transmit though :(. Wonder if the software thinks there's a
100W PA?
- Jerry
toggle quoted message
Show quoted text
On 2024-12-22 10:14, Oliver KI3P via groups.io wrote: The 20 W PA has such a 2-pin header, the LPF control board does not.
IIRC (don't have the schematic in front of me) it gets the TX/RX state
through the 10-pin IDC connector.
-------- Original Message --------
On 12/22/24 7:31 PM, jerry-KF6VB wrote:
So - now my V12/K9HZ system receives fine. Time to try to transmit.
So
I scrounged up an RG316 cable to connect the TX output of the RF
board
to the LPF control card. Hit the mike button, and ...nothing.
Then I remembered - there's a signal that went from the old V11 LPF
to
the PA, to tell it to transmit.
+12V on transmit. There was a 2-pin header. Does the K9HZ LPF
control
card have such a header? I'm not seeing it on the schematic.
- Jerry, KF6VB
Links:
------
[1] /g/AmateurRadioBuilders/message/5627
[2] /mt/110245804/243852
[3] /g/AmateurRadioBuilders/post
[4] /g/AmateurRadioBuilders/editsub/243852
[5]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
The 20 W PA has such a 2-pin header, the LPF control board does not. IIRC (don't have the schematic in front of me) it gets the TX/RX state through the 10-pin IDC connector.
-------- Original Message -------- On 12/22/24 7:31 PM, jerry-KF6VB wrote: So - now my V12/K9HZ system receives fine. Time to try to transmit. So
I scrounged up an RG316 cable to connect the TX output of the RF board
to the LPF control card. Hit the mike button, and ...nothing.
Then I remembered - there's a signal that went from the old V11 LPF to
the PA, to tell it to transmit.
+12V on transmit. There was a 2-pin header. Does the K9HZ LPF control
card have such a header? I'm not seeing it on the schematic.
- Jerry, KF6VB
|
So - now my V12/K9HZ system receives fine. Time to try to transmit. So
I scrounged up an RG316 cable to connect the TX output of the RF board
to the LPF control card. Hit the mike button, and ...nothing.
Then I remembered - there's a signal that went from the old V11 LPF to
the PA, to tell it to transmit.
+12V on transmit. There was a 2-pin header. Does the K9HZ LPF control
card have such a header? I'm not seeing it on the schematic.
- Jerry, KF6VB
|
Love it! ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
Show quoted text
From: [email protected] <[email protected]> On Behalf Of Larry Acklin via groups.io
Sent: Saturday, December 21, 2024 5:13 PM
To: [email protected]
Subject: Re: [AmateurRadioBuilders] V12 first try? I have a complete V11 rig running?Greg's code. Rock solid. Runs 24/7. If there is a sand pit I fell in it.? Debugging the display was the hardest- that's why I jump into the threads about that.? And after 40+ years (retired) in IT services of all?aspects I think like a computer geek.? ? What stage of building are you at Larry? ? ? As for me＃ ? I＊m spending the day running some final tests on the 100W module.? I can see I need to use a different current measurement resistor on the board.? It＊s a 3W 0.005 ohm SMD resistor and that will be a problem if the board flexes (cracks).? I think I＊ll use a T0-220 resistor instead.? It doesn＊t get warm, but I＊m wary of the physical characteristics of the SMD resistor.? That modification is an easy one.? I also have a hole in the middle of the board that is too small to get at the screw that holds the temperature the bias compensation junction (a Darlington junction) to the heatsink near the two output transistors.? I also am using two 1N4148 diodes in the bias circuit where Oliver used a size I can barely see＃ so I think I＊m gonna have him change those to regular through-hole diodes.? Otherwise the amp is working extremely well (and has been for about 8 months).? I＊ll publish performance plots shortly. ? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? Hook the antenna right to the rf board as a sanity check. Then move back to the next connection, work towards?the antenna RF connection. I had a loose SMA cable and or chassis connection that gave me trouble in my early spin up stages.? ? Continuing...
I soldered JP2 on the LPF controller card, and fabricated a
daisy-chain
cable for the "BANDS" connectors - mainboard->BPF->LPF. Now the BIT
test
passes. Yay!
The screen displays a normal T41 page, and relays click satisfyingly
when
I change bands.
But there is no receive yet. Just noise from the video card.
- Jerry, KF6VB
On 2024-12-21 14:29, K9HZ wrote: Here is a link to the spreadsheet with all of the I2C assignments in
the T41＃
DR. WILLIAM J. SCHMIDT - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ
PJ2/K9HZ VP2EHZ
Owner - Operator
Big Signal Ranch 每 K9ZC
Staunton, Illinois
Owner 每 Operator
Villa Grand Piton 每 J68HZ
Soufriere, St. Lucia W.I.
Rent it: [1]
Moderator: North American QRO Group at Groups.IO.
Moderator: Amateur Radio Builders Group at Groups.IO.
email: bill@...
FROM: [email protected] <[email protected]>
ON BEHALF OF jerry-KF6VB
SENT: Saturday, December 21, 2024 3:59 PM
TO: [email protected]
SUBJECT: [AmateurRadioBuilders] V12 first try
OK,
I got all the boards in place. Order left to right: RF - Main - BPF
- LPF - LPFControl.
Haven't fabricated quite all the cables yet. The LPF control board
really needs
straight SMA connectors, and I just ordered a bunch of right-angle
ones.
Straight ones are on order to arrive tomorrow.
In the meantime, I powered it up. No smoke came out. The display
displays normally. The BIT test complains that the BPF was not found,
and also the
I/O expander on the LPF.
The BPF - that's simple - no ribbon cable there yet. Does it daisy
chain mainboard - BPF - LPF? The missing expander on the LPF - I
believe I need to solder one or more jumpers on the LPF controller
card.
I'm guessing just JP2, yielding 101 or "5".
- Jerry, KF6VB
Links:
------
[1]
[2] /g/AmateurRadioBuilders/message/5618
[3] /mt/110236199/243852
[4] /g/AmateurRadioBuilders/post
[5] /g/AmateurRadioBuilders/editsub/243852
[6]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
OK, I have receive. I patched around the BPF.
- Jerry, KF6VB
toggle quoted message
Show quoted text
On 2024-12-21 14:53, Larry Acklin via groups.io wrote: Hook the antenna right to the rf board as a sanity check. Then move
back to the next connection, work towards the antenna RF connection. I
had a loose SMA cable and or chassis connection that gave me trouble
in my early spin up stages.
Larry
KB3CUF
On Sat, Dec 21, 2024 at 5:37?PM jerry-KF6VB via groups.io [2]
<jerry@...> wrote:
Continuing...
I soldered JP2 on the LPF controller card, and fabricated a
daisy-chain
cable for the "BANDS" connectors - mainboard->BPF->LPF. Now the BIT
test
passes. Yay!
The screen displays a normal T41 page, and relays click satisfyingly
when
I change bands.
But there is no receive yet. Just noise from the video card.
- Jerry, KF6VB
On 2024-12-21 14:29, K9HZ wrote:
Here is a link to the spreadsheet with all of the I2C assignments
in
the T41＃
DR. WILLIAM J. SCHMIDT - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ
PJ2/K9HZ VP2EHZ
Owner - Operator
Big Signal Ranch 每 K9ZC
Staunton, Illinois
Owner 每 Operator
Villa Grand Piton 每 J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com [1] [1]
Moderator: North American QRO Group at Groups.IO.
Moderator: Amateur Radio Builders Group at Groups.IO.
email: bill@...
FROM: [email protected]
<[email protected]>
ON BEHALF OF jerry-KF6VB
SENT: Saturday, December 21, 2024 3:59 PM
TO: [email protected]
SUBJECT: [AmateurRadioBuilders] V12 first try
OK,
I got all the boards in place. Order left to right: RF - Main -
BPF
- LPF - LPFControl.
Haven't fabricated quite all the cables yet. The LPF control board
really needs
straight SMA connectors, and I just ordered a bunch of right-angle
ones.
Straight ones are on order to arrive tomorrow.
In the meantime, I powered it up. No smoke came out. The display
displays normally. The BIT test complains that the BPF was not
found,
and also the
I/O expander on the LPF.
The BPF - that's simple - no ribbon cable there yet. Does it daisy
chain mainboard - BPF - LPF? The missing expander on the LPF - I
believe I need to solder one or more jumpers on the LPF controller
card.
I'm guessing just JP2, yielding 101 or "5".
- Jerry, KF6VB
Links:
------
[1]
[2] /g/AmateurRadioBuilders/message/5618
[3] /mt/110236199/243852
[4] /g/AmateurRadioBuilders/post
[5] /g/AmateurRadioBuilders/editsub/243852
[6]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
Links:
------
[1]
[2]
[3] /g/AmateurRadioBuilders/message/5620
[4] /mt/110236199/243852
[5] /g/AmateurRadioBuilders/post
[6] /g/AmateurRadioBuilders/editsub/243852
[7]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
I have a complete V11 rig running?Greg's code. Rock solid. Runs 24/7. If there is a sand pit I fell in it.? Debugging the display was the hardest- that's why I jump into the threads about that.?
And after 40+ years (retired) in IT services of all?aspects I think like a computer geek.?
Larry KB3CUF?
What stage of building are you at Larry? ? ? As for me＃ ? I＊m spending the day running some final tests on the 100W module.? I can see I need to use a different current measurement resistor on the board.? It＊s a 3W 0.005 ohm SMD resistor and that will be a problem if the board flexes (cracks).? I think I＊ll use a T0-220 resistor instead.? It doesn＊t get warm, but I＊m wary of the physical characteristics of the SMD resistor.? That modification is an easy one.? I also have a hole in the middle of the board that is too small to get at the screw that holds the temperature the bias compensation junction (a Darlington junction) to the heatsink near the two output transistors.? I also am using two 1N4148 diodes in the bias circuit where Oliver used a size I can barely see＃ so I think I＊m gonna have him change those to regular through-hole diodes.? Otherwise the amp is working extremely well (and has been for about 8 months).? I＊ll publish performance plots shortly. ? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ? ? Hook the antenna right to the rf board as a sanity check. Then move back to the next connection, work towards?the antenna RF connection. I had a loose SMA cable and or chassis connection that gave me trouble in my early spin up stages.? ? Continuing...
I soldered JP2 on the LPF controller card, and fabricated a
daisy-chain
cable for the "BANDS" connectors - mainboard->BPF->LPF. Now the BIT
test
passes. Yay!
The screen displays a normal T41 page, and relays click satisfyingly
when
I change bands.
But there is no receive yet. Just noise from the video card.
- Jerry, KF6VB
On 2024-12-21 14:29, K9HZ wrote: Here is a link to the spreadsheet with all of the I2C assignments in
the T41＃
DR. WILLIAM J. SCHMIDT - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ
PJ2/K9HZ VP2EHZ
Owner - Operator
Big Signal Ranch 每 K9ZC
Staunton, Illinois
Owner 每 Operator
Villa Grand Piton 每 J68HZ
Soufriere, St. Lucia W.I.
Rent it: [1]
Moderator: North American QRO Group at Groups.IO.
Moderator: Amateur Radio Builders Group at Groups.IO.
email: bill@...
FROM: [email protected] <[email protected]>
ON BEHALF OF jerry-KF6VB
SENT: Saturday, December 21, 2024 3:59 PM
TO: [email protected]
SUBJECT: [AmateurRadioBuilders] V12 first try
OK,
I got all the boards in place. Order left to right: RF - Main - BPF
- LPF - LPFControl.
Haven't fabricated quite all the cables yet. The LPF control board
really needs
straight SMA connectors, and I just ordered a bunch of right-angle
ones.
Straight ones are on order to arrive tomorrow.
In the meantime, I powered it up. No smoke came out. The display
displays normally. The BIT test complains that the BPF was not found,
and also the
I/O expander on the LPF.
The BPF - that's simple - no ribbon cable there yet. Does it daisy
chain mainboard - BPF - LPF? The missing expander on the LPF - I
believe I need to solder one or more jumpers on the LPF controller
card.
I'm guessing just JP2, yielding 101 or "5".
- Jerry, KF6VB
Links:
------
[1]
[2] /g/AmateurRadioBuilders/message/5618
[3] /mt/110236199/243852
[4] /g/AmateurRadioBuilders/post
[5] /g/AmateurRadioBuilders/editsub/243852
[6]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
What stage of building are you at Larry? ? ? As for me＃ ? I＊m spending the day running some final tests on the 100W module.? I can see I need to use a different current measurement resistor on the board.? It＊s a 3W 0.005 ohm SMD resistor and that will be a problem if the board flexes (cracks). ?I think I＊ll use a T0-220 resistor instead.? It doesn＊t get warm, but I＊m wary of the physical characteristics of the SMD resistor.? That modification is an easy one.? I also have a hole in the middle of the board that is too small to get at the screw that holds the temperature the bias compensation junction (a Darlington junction) to the heatsink near the two output transistors.? I also am using two 1N4148 diodes in the bias circuit where Oliver used a size I can barely see＃ so I think I＊m gonna have him change those to regular through-hole diodes.? Otherwise the amp is working extremely well (and has been for about 8 months).? I＊ll publish performance plots shortly. ? ? ? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ ? Owner - Operator Big Signal Ranch 每 K9ZC Staunton, Illinois ? Owner 每 Operator Villa Grand Piton 每 J68HZ Soufriere, St. Lucia W.I. Rent it: ? Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. ? email:? bill@... ? ?
toggle quoted message
Show quoted text
From: Larry Acklin <acklin@...>
Sent: Saturday, December 21, 2024 4:54 PM
To: [email protected]
Cc: K9HZ <bill@...>
Subject: Re: [AmateurRadioBuilders] V12 first try? Hook the antenna right to the rf board as a sanity check. Then move back to the next connection, work towards?the antenna RF connection. I had a loose SMA cable and or chassis connection that gave me trouble in my early spin up stages.? ? Continuing...
I soldered JP2 on the LPF controller card, and fabricated a
daisy-chain
cable for the "BANDS" connectors - mainboard->BPF->LPF. Now the BIT
test
passes. Yay!
The screen displays a normal T41 page, and relays click satisfyingly
when
I change bands.
But there is no receive yet. Just noise from the video card.
- Jerry, KF6VB
On 2024-12-21 14:29, K9HZ wrote: Here is a link to the spreadsheet with all of the I2C assignments in
the T41＃
DR. WILLIAM J. SCHMIDT - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ
PJ2/K9HZ VP2EHZ
Owner - Operator
Big Signal Ranch 每 K9ZC
Staunton, Illinois
Owner 每 Operator
Villa Grand Piton 每 J68HZ
Soufriere, St. Lucia W.I.
Rent it: [1]
Moderator: North American QRO Group at Groups.IO.
Moderator: Amateur Radio Builders Group at Groups.IO.
email: bill@...
FROM: [email protected] <[email protected]>
ON BEHALF OF jerry-KF6VB
SENT: Saturday, December 21, 2024 3:59 PM
TO: [email protected]
SUBJECT: [AmateurRadioBuilders] V12 first try
OK,
I got all the boards in place. Order left to right: RF - Main - BPF
- LPF - LPFControl.
Haven't fabricated quite all the cables yet. The LPF control board
really needs
straight SMA connectors, and I just ordered a bunch of right-angle
ones.
Straight ones are on order to arrive tomorrow.
In the meantime, I powered it up. No smoke came out. The display
displays normally. The BIT test complains that the BPF was not found,
and also the
I/O expander on the LPF.
The BPF - that's simple - no ribbon cable there yet. Does it daisy
chain mainboard - BPF - LPF? The missing expander on the LPF - I
believe I need to solder one or more jumpers on the LPF controller
card.
I'm guessing just JP2, yielding 101 or "5".
- Jerry, KF6VB
Links:
------
[1]
[2] /g/AmateurRadioBuilders/message/5618
[3] /mt/110236199/243852
[4] /g/AmateurRadioBuilders/post
[5] /g/AmateurRadioBuilders/editsub/243852
[6]
/g/AmateurRadioBuilders/leave/11522011/243852/920863695/xyzzy
|
K9HZ
Jack, W8TEE