Re: Building homebrew ubitx: Need pre-v3 schematic PDF. Also, source for 45M15 (45 MHz IF) filter?
Within the US, a First Class package up to at least 3 oz is $2.66 (it may be more than 3 oz, I don't have anything 4-9 oz and 10 oz is more than 2.66). First Class is good to a pound. Priority Mail
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Vince Vielhaber <vev@...>
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#51615
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Re: K5BCQ kits in BITX40
#bitx40
I have informed delivery Doug, today a package from China is arriving and Monday a package from Colorado. So maybe the package from Kees is coming from Colorado but saw his location is in TX.? John
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John
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#51614
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Re: uBitx Encoder information needed.
Jon! ?A pleasure seeing your name. My short term memory is shot, ?but I remember the 70's well! And enjoyed your books! Unfortunately I didn't go the 8008 way, a friend gave me a 6800 set and I went
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Bo Barry <bobarr@...>
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#51613
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Re: CW transmit bandwidth
#ubitxcw
#ubitx
How did you measure the bandwidth? Remember that a square wave is a infinite series of odd harmonics. Your keying is basically a square wave unless modified to have a rounded up-slope and down-slope.
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Tim Gorman
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#51612
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Re: Power supply fuses
I used asmall fuse with pig-tails (All Electronics) and put it at the input power connector like you show. You show outside ring of connector +. I usually make the center pin of the power connector +,
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Michael Hagen
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#51611
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Re: Power supply fuses
I do the same except I just tape mine to the back panel with masking tape. Lot's easier to remove than cutting a tie wrap. tim ab0wr "Michael Hagen" <motdog@...> wrote:
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Tim Gorman
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#51610
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Re: CAT Control
Hi Dennis, See this post.?/g/BITX20/message/51600 Hope this helps. Tom, wb6b
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Tom, wb6b
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#51609
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Re: CAT Control
Hi Ashhar, Doesn't work yet. Pulled FTDI cable and replaced it with the usb cable connected to the Arduino nano. Set up wsjt-x as instructed - baud rate at 38,400.Test button fails for every
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Dennis
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#51608
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Re: K5BCQ kits in BITX40
#bitx40
I was a last minute order and was very surprised to receive mine this morning. Very nice professional looking kits. Did not take long at all in my case. Within a couple weeks! I paid by check. Bill
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William Londree <ventura_bill@...>
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#51607
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Re: Power supply fuses
The corrected diagram is here.
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MVS Sarma
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#51606
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Re: Power supply fuses
apologies . The diode should be in reverse. Regards MVS Sarma
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MVS Sarma
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#51605
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Re: Power supply fuses
I humbly feel that the fuse should be for on the power input for the diode alone to ground and not on load side. I shall upload a sch soon. regards sarma vu3zmv Regards MVS Sarma
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MVS Sarma
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#51604
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Re: pcb for modifications ver3 to ver4
link for my blog? vu2kyz.blogspot.in video on my channel? https://youtu.be/CMjlKDSqCYU
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Ashok Khachar
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#51603
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pcb for modifications ver3 to ver4
To apply some modifications of ubitX 4 to old ver 3 pcb plus S-meter sensor based on LM386 by Lee ,I design small pcb ,for more details visit my blog will upload all pcb files to files folder soon 73
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Ashok Khachar
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#51602
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Re: Current Firmware
Hi Dennis, Regarding the?"failed to upload" message. Both the Mac and many Windows machines need a driver installed to upload to the?Raduino Nano board. Here is a somewhat random list of links to
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Tom, wb6b
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#51600
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Re: Building homebrew ubitx: Need pre-v3 schematic PDF. Also, source for 45M15 (45 MHz IF) filter?
Ifear the minimum shipping charges even within US using postal service is $6. That is what kits and parts charge their customers within us. Regards MVS Sarma
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MVS Sarma
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#51601
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Re: Building homebrew ubitx: Need pre-v3 schematic PDF. Also, source for 45M15 (45 MHz IF) filter?
It is just that shipping takes 10 dollars from india for a two dollar device. Someone in the USA cam undertake thr shipping. I can send a bunch to someone from here. - f [email protected]> wrote:
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Ashhar Farhan
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#51599
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Re: CAT Control
HI, I'm running wsjt-x with CAT control of my uBitx on a Raspberry Pi. I simply plugged into the USB port on the Nano from the Pi.? In my case the serial port was /dev/ttyUSB0 and I set the baud rate
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Tom, wb6b
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#51598
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Re: CAT Control
1. Attach USB cable between ubitx and the computer. Attach two audio cables for mic and speaker between the radio and the comp. 2. Select FT817 as the rig on. Wsjtx. There is a test button on the
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Ashhar Farhan
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#51597
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Re: K5BCQ kits in BITX40
#bitx40
https://informeddelivery.usps.com/ ? -- www.bitxmap.com ( http://www.bitxmap.com )
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Doug W
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#51596
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