Re: [Discuss-gnuradio] 3 out of 4 channels not working?

[Ben Gelb]

The calibrate routine runs without complaining.

Not sure what you mean by test code. There is a section of InstaCal that
is a test procedure for the analog inputs. This is what I used to
determine the behavior I outlined.

I will see what MCC has to say.

-Ben

On Sat, 2003-10-18 at 17:01, Eric Blossom wrote:
> On Sat, Oct 18, 2003 at 04:30:51PM -0400, Ben Gelb wrote:
> > I received my Measurement Computing board yesterday. I've taken it out
> > of the box and installed it and it seems that channels 0, 1, and 3 do
> > not function.
> > 
> > When in high impedance mode, they always measure +5V and in 50 ohm mode
> > they measure 0V (I determined this by running the InstaCal software).
> > It's almost as if the ADC is working but the BNC connectors aren't
> > physically connected to the board. Very weird. I'm putting in a support
> > request to MCC, but I wanted to know if anyone on the list perhaps knows
> > something simple I'm missing.
> > 
> > Channel 2 on the other hand produced a very nice plot when I ran
> > adc3_fftavg and connected my G5RV antenna to it. Very cool!
> > 
> > -Ben
> 
> Sorry, I haven't seen anything like this.
> 
> Does the board calibrate OK under windows?
> Does the board pass the test code in the windows software?
> 
> Eric
-- 
Ben Gelb <address@hidden>