[hpsdr] my pico 120 measures low

[tom]

did you check the input volts to see if it has dropped some also ??
tom w0kgw

----- Original Message ----- 
From: "Duffy" <na6mm_mm at earthlink.net>
To: "hpsdr reflector email" <hpsdr at hpsdr.org>
Sent: Wednesday, June 06, 2007 8:57 AM
Subject: [hpsdr] my pico 120 measures low


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> Ok I received my pico psu-120 supply. It is , as I feared , a little 
> lite on the -12v output. The voltage measured with Janus-Ozy attached is 
> -10.75v . Now looking at the schematics the only thing the -12v feeds is 
> a -5 v regulator on Janus and it's output measures -4.75 v. So the Janus 
> board is probably happy , but I don't like the fact that the pico -12v 
> is being dragged down to -10.75. On teamspeak ,I beleive it was Dan , 
> who mentioned he has a pico psu 120 wide range unit that has 12 to 24 v 
> input spec and a 100ma minus 12v out spec. He thinks his was putting out 
> -11.75. So although mine does , kinda run the boards, It's not right and 
> may cause future probs or fail and I think I may go for the wide range 
> input unit. Any body else have theirs running on a pico, and what does 
> your -12v measure. Roger w3wz you didn,t mention what your -12v reads. 
> Duffy NA6MM
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