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Re: Getting started

 

Quisk also has a USB soft rock driver. It's a nice front end which can
decode/encode I/Q to audio and share rig control with wstjx/z via hamlib.

73,
Jon AB8WU

On Tue, Jun 20, 2023, 3:38 PM glenoverby <gpoverby@...> wrote:

On Tue, Jun 20, 2023 at 2:40?PM Alan G4ZFQ <alan4alan@...> wrote:

On 20/06/2023 16:24, EI7CLB wrote:
I want to run the machine under Linux but if it is vitally necessary
I
can use Windows.

Tryg,

I am unaware of any Linux driver for controlling an Ensemble.
usbsoftrock does:


(says it has bug fixes)

73,
Glen, kc0iyt






Re: Getting started

 


I am unaware of any Linux driver for controlling an Ensemble.
I am unaware of any *need* for an Ensemble driver.

Maybe for a sound card, yes. But *not* for any Softrock.

Of course, SDR software is necessary, such as Linrad.

73 Mike
W0BTU


--
73, Mike
www.w0btu.com


Re: Getting started

 

On Tue, Jun 20, 2023 at 2:40?PM Alan G4ZFQ <alan4alan@...> wrote:

On 20/06/2023 16:24, EI7CLB wrote:
I want to run the machine under Linux but if it is vitally necessary I
can use Windows.

Tryg,

I am unaware of any Linux driver for controlling an Ensemble.
usbsoftrock does:


(says it has bug fixes)

73,
Glen, kc0iyt


Re: Getting started

 

On 20/06/2023 16:24, EI7CLB wrote:
I want to run the machine under Linux but if it is vitally necessary I can use Windows.
Tryg,

I am unaware of any Linux driver for controlling an Ensemble.

For Windows I have many pages here

I note the driver link has changed, others may well have also, it is a long time since I wrote them, new users are rare.

73 Alan G4ZFQ


Getting started

 

Hello to all,

I have an RX/TX Ensemble that I got from Five Dash some years ago. It is still boxed with the hard case. I am quite keen to get started using this little radio. Is there a starting point or users guide that I should have a look at? I want to run the machine under Linux but if it is vitally necessary I can use Windows. I am really in the dark with this, any help gratefully accepted.

73,

Tryg

--


Re: looking for rx/tx transceiver.

 

RX/TX kits are currently available on softrockrx.com

Ben Cherry
AD8AW


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

I got a 35 .xx MHz crystal on ebay and used it in a Softrock Lite II for an IF. It took a little fiddling of component values and quality of 2N3905 / 2N3906 to get it to oscillate reliably but it is OK. (maybe I did not initially use transistors from the kit)
I found one site on ebay with 36 MHz for around $3.
David, K0IMH
;amdata=enc%3AAQAHAAAA4KWV91LKHggAZ0%2FrjAzD47aZlJHZAnPUpa6PzglxuObqjIEvoyRc3%2BsofAU8LWkIUwpNTLWd3DkT7%2F30uDtywIThzZjLcPbczBHctt2poq60gH5MCvZk0OdJOO6jQH%2FZi9cC3Ki9Q5xoDwO6mg%2FyaXyAkmt7vhaEEcJVCrMAKfXLUvyQE%2Bl%2By9ASSY6XlzN5UecF3I%2F%2BxjqUoSB1RNv9jNiD8ectEuI82J4wi%2FqUlaXRDE%2FD1X1XzZougEeA7YHPFm6tAmG1%2FT9mmkXqCvJSC9F8h7%2Frs52U15p82upemAGc%7Ctkp%3ABFBMkPmo_thh

-----Original Message-----
From: <[email protected]>
Sent: Mar 9, 2023 11:15 AM
To: <[email protected]>
Subject: Re: [softrock40] Crystal wanted to change Softrock to receive Ten Tec IF output

The Softrock uses a crystal that is approximately four times the frequency
you want to receive. It has to be a fundamental mode crystal; the
oscillator circuit is not designed for overtone crystals. That is divided
by four by the divider circuit that generates the quadrature signals. The
30 and 20 meter versions, and some of the IF versions, use 1/3 subharmonic
sampling because fundamental mode crystals for the necessary frequencies
were not readily available at the time.

The crystal frequencies used in the Softrock kits for IF frequencies are
listed on this page:
They were all
chosen from crystals that could be bought as stock. No option for 9 MHz is
listed, but the 9.015 is close enough, and the required 11.98135 MHz
crystal is still available from Digi-Key and Mouser.

An alternative that is possible now, but which wasn't at the time that Tony
Parks designed the kit, would be to use a 36 MHz crystal. You would have to
move it at least 20 kHz away from that nominal frequency (either side will
do) so that the LO would end up 5 kHz away. You can probably get it moved
that far by adjusting the load capacitance. 36 MHz fundamental mode
crystals are now available, though only in SMD packages.

One further note: the IF of your TenTec is probably not EXACTLY at 9 MHz.
It actually depends on the specific crystals in the filter and varies with
component tolerances; the rig was aligned to match the actual filter. So
the signals in your Softrock could appear in a slightly different place
than you expect.

On Fri, Mar 3, 2023 at 3:51?AM Steve Ireland wrote:

G'day

I have an old Softrock V6 which for many years was used to tap into the
8.215MHz second IF of a Yaesu FT-1000 and provide a panadapter using HDSDR
and CW Skimmer.

I'd like to get hold of the appropriate crystal to use this SR as a
pandapter with a tap off a Ten Tec Orion and Eagle 9MHz IF.

Please can someone let me know what the appropriate Softrock crystal
frequency is (this info no longer seems readily available) and, if
possible, where a crystal of this frequency can be obtained?

Thank you!

Vy 73

Steve, VK6VZ/G3ZZD






Re: FS:Softrock RxTx Kits

 

Listed with pics on fleabay is the link does not show or work searching Softrock SDR should show it.
73
David


FS:Softrock RxTx Kits

 

Gents, I bought them to fix up and build but have never gotten around to it.
In this lot of 3 is a partially completed 30/20/17m, a completed and unknown 15/12/10 and another in kit form that is missing a 3904 that I will add.
They were purchased like this, I have done nothing with them past adding them to the pile of "to do's". Perfect for parts or a good project for someone.

I am looking for 175$ shipped for the lot. Willing to trade for other qrp kits?
Contact me off list please at my qrz listed e-mail dherron at live dot com
73
David
N8DAH


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

Hi, I want to point out a think about the use of a panadapter, SDR based or whatever, connected to the second IF output of a receiver.

I don't own? FT-1000, but usually the second IF output has a small or very small bandwidth, depending if it is taken? before or after the high selectivity filters. In either case you will get a few kHz and you want as much bandwidth? as you can get to be really useful. I tried that way with a venerable FT-ONE , mainly because it have a IF output, but I found it was not what I desired, so I installed a pickup point in the first IF where it is plenty of BW.? Since the first IF frequency is really high ( 73.115 MHz in the FT-ONE) I could not use a Softrock but a DTV dongle which are dirty cheap. It works with the same SDR programs and I'm very satisfied with the results.

Even I did it in two radios, in the first one I installed the dongle internally with an USB connector in the back panel, and in the other I installed the pickup cable and a coax connector in the panel for an external dongle, which is easier mechanically.

Regards,

Ignacio EB4APL

El 06/03/2023 a las 12:22, Ben Cherry escribió:
Sorry, that is 11.98135mhz. I also have a 12.00 but I suspect you'll have better luck with the offset frequency.

Ben Cherry
Softrock40
AD8AW


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Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

Sorry, that is 11.98135mhz. I also have a 12.00 but I suspect you'll have better luck with the offset frequency.

Ben Cherry
Softrock40
AD8AW


Re: looking for rx/tx transceiver.

david todd
 

chuck,

thanks for the suggestion, but the waiting list for one hasnt really moved in months. just for one. so i will pass on it. I know George had a good product with the Phaser, but quit making them.

73Davidac9xh

On Thursday, March 2, 2023 at 08:04:12 PM EST, Chuck Nolin <wa6ltv@...> wrote:

Hello David,
I was heavily involved in the MOBO project using the RX-TX 6.3 modules. Was
a wonderful project.
You know a current radio that uses the RX-TX radio is the SDR CUBE. It is a
wonderful radio you put together. I have two complete SDR CUBE radios that
are a joy to build and operate.
Look up MidnightDesignSolutions.
I am only a very happy customer, builder and have NO interest in the
company. Let me know if you would like pictures or information…

Chuck
WA6LTV

On Tue, Feb 28, 2023 at 1:10?AM david todd via groups.io <ac9xh=
[email protected]> wrote:

found this group and am looking for the rx/tx assemble that has multiple
bands. used,or unbuilt.

Hopefully the new owner will combine some of this to make an all in one
transceiver with a display possibly? and a raspberry pi or alternative
similar inside a case with display? wishfull thinking?

73
David
ac9xh





--
Thank you,
Chuck Nolin
WA6LTV


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

I have a 14.98135Mhz crystal, PM me an address and I will send it USPS first class mail.

Sorry about the delay answering, Tony Parks sent a box of crystals when he transferred the inventory.
I Just completed doing an inventory this morning.
Ben Cherry
Softrock40
AD8AW


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

This is a programmable crystal...


Re: Subharmonic sampling? (Re: [softrock40] Crystal wanted to change Softrock to receive Ten Tec IF output)

 

On 4/3/23 16:14, Alan G4ZFQ wrote:

On 04/03/2023 02:53, Roland Turner via groups.io wrote:
which would appear not to be subharmonic sampling at all,
Roland,

/g/softrock40/message/76494
Thanks Alan, that makes a little more sense.


- Roland 9V1RT


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

Hi Zach

Thank you very much for this information. Crystal suppliers are as rare as hen's teeth these days. It is possible that the Czech Republic may be cheaper to buy a crystal from these days than Digi-Key or Mouser - I shall do some checking ;-)

Vy 73

Steve, VK6VZ/G3ZZD


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

Hi Shirley

Thank you for the brilliant explanation and information. It is very much appreciated - and gives me exactly what I need.

I dimly recalled there was a reason as to why a fundamental frequency crystal wasn't used in the Softrock, but not exactly why. As the saying goes, reading your explanation "made the scales fall from my eyes." ;-)

I shall go ahead and purchase a crystal. From memory, Mouser has a minimum order price, whereas Digi-key may not?

Have a wonderful weekend and thanks again!

Vy 73

Steve, VK6VZ/G3ZZD


Re: Crystal wanted to change Softrock to receive Ten Tec IF output

 

Hey Patrick

Thank you so much - the WB5RVZ page was exactly what I was looking for, in terms of the table of Softrock crystal frequencies/IF frequencies.

Have a bonza weekend!

Vy 73

Steve, VK6VZ


Re: Subharmonic sampling? (Re: [softrock40] Crystal wanted to change Softrock to receive Ten Tec IF output)

 

On 04/03/2023 02:53, Roland Turner via groups.io wrote:
which would appear not to be subharmonic sampling at all,
Roland,

/g/softrock40/message/76494

73 Alan G4ZFQ


Subharmonic sampling? (Re: [softrock40] Crystal wanted to change Softrock to receive Ten Tec IF output)

 

On 3/3/23 21:28, Shirley Dulcey KE1L wrote:

The Softrock uses a crystal that is approximately four times the frequency
you want to receive. It has to be a fundamental mode crystal; the
oscillator circuit is not designed for overtone crystals. That is divided
by four by the divider circuit that generates the quadrature signals. The
30 and 20 meter versions, and some of the IF versions, use 1/3 subharmonic
sampling because fundamental mode crystals for the necessary frequencies
were not readily available at the time.
Is there a write-up somewhere describing how this works?

So far as I can tell it would only work if the sampling interval were in the 17 ns range[1], which neither the quadrature mixer nor any sound card would appear to be capable of. Further, Softrock Lite II Home - Softrock Lite II RX <> contains by way of explanation:

The two quadrature signals from the Divider stage are fed into the mixer stage. The 4.6825 MHz quadrature signals from the divider in the 20m option are rich in harmonics. The third harmonic (14.0475) is what is actually used in the mixer stage.
which would appear not to be subharmonic sampling at all, but the normal operation of the quadrature mixer taking advantage of there being enough power in the crystal's third harmonic to operate as usual with a 14.0475 MHz clock.

Have I missed something?


- Roland 9V1RT


1: At 30 MHz, the Nyquist rate is 60 MHz or ~1/(17 ns).