[hpsdr] Help with Mic input on Penny

Richard Ames richard at ames.id.au
Sat Jul 4 22:09:16 PDT 2009


Tim -

I have the same problem .....

All seems normal but no mic response --- I know the mic(s) are working
and it does CW correctly....

Any hints from your trials???  anybody else with suggestions??

Thanks, Richard. VK2NRA

On Sat, 2009-04-11 at 14:29 -0400, Tim O'Rourke wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Do final setup on Penny, tune works FB but no output from Mic.
> I get a claen signal from mic input to pin 18 on U10 and continunity from pin 6 on U10 to pin 160 on FPGA. I am probably missing something but am stumped. I have fed in a 1500 Hz signal in on mic input and varied amplitude from 1-20 mv and mic monitor in PWRSDR stays at -30 db.
> Latest firm ware on Penny and Mercury and latest PWRSDR release from SVN.
> Any ideas on what to check next appreciated.
> Tim W4YN
> 
> Tim O'Rourke 
> W4YN at ARRL.Net
> Low Power Amateur Radio Rocks 
> Member of Flying Pigs,ARCI,GQRP,RSGB,ARRL Life Member
> NHRA Life Member
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