[DSP-10] X101 crystal soldering

David Ohm d.ohm at comcast.net
Wed Apr 12 02:54:06 EDT 2006


Roger,

Thanks. I did not think it made sense to do that, but I wanted to make sure. 
I finally got back to spending some time on the DSP10. I have been enjoying 
it. My main board is finished and tested. Everything looks good so far. I am 
getting ready to wire up the DSP board.

I have been testing the DSP board (EZKIT Lite) stand alone. I can get all of 
the example programs working and now I am trying to test it out with the PC 
program (UHFA.EXE) like Bob explains in the QST article #2.  I am using the 
ADI EZKIT Lite loader. I can get the DSP program loaded onto the ezkit using 
that program. However, it must run under windows. Then I reboot the PC and 
startup in DOS (using a boot disk). When the program first comes up it does 
not seem to allow any control through all of the keyboard functions. Most of 
the controls do not do anything. I cannot even get it to toggle between 
transmit and receive mode.

According to the QST article I should be able to run the audio processing on 
an input into the ADC jack. However, I cannot get normal control from the PC 
software.

Have you heard about anything like this? I read through all of the reflector 
postings and did not see anything.

Well, I think it is time for bed. I will push forward again tomorrow night.

Take care!

Dave


----- Original Message ----- 
From: "Roger Hayward" <rhayward at easystreet.com>
To: "'Discussion of DSP-10 2-meter transceiver'" <dsp-10 at mailman.qth.net>
Sent: Tuesday, April 11, 2006 10:03 PM
Subject: RE: [DSP-10] X101 crystal soldering


> Hi David:  Small world....
>
> The crystal oscillator can   does not need to be soldered down by its 
> case.
>
> 73,
> Roger KA7EXM www.ka7exm.net
>
>
> -----Original Message-----
> From: dsp-10-bounces at mailman.qth.net 
> [mailto:dsp-10-bounces at mailman.qth.net]
> On Behalf Of David Ohm
> Sent: Tuesday, April 11, 2006 8:15 PM
> To: dsp-10 at mailman.qth.net
> Subject: [DSP-10] X101 crystal soldering
>
> I am using an Epson CA-301 10 MHz crystal for X101. This is the same style
> of crystal used for the X1..X4 parts on the board. Do I need to solder the
> X101 can to the ground strip above the X101 pads? This was how X1..X4 were
> soldered.
>
> Thanks!
>
> Dave Ohm
> KC0TSS
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