[time-nuts] Broken Ovenaire OSC 85-50

[J. L. Trantham]

Well, I actually did increase the input voltage so that the Oscillator Board
saw 5 VDC instead of about 2.5 VDC and it made little difference in the
output amplitude, perhaps 10% or less.  I am sorry, but my 'scientific
method' has not regenerated itself sufficiently to drive me to make careful
notes.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of WB6BNQ
Sent: Friday, July 03, 2009 9:20 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Broken Ovenaire OSC 85-50



I agree with Warren.  The VCC seems way too low.  Interestingly, noone else
seems to think so, or did not notice it.

Bill....WB6BNQ


WarrenS wrote:

> Here is my  two cents worth
> 20 mv output, sure sounds like something is broken.
> It should be fixed before it is modified.
> The 2.49 volts on the Red input voltage seem LOW, More Vcc maybe. The 
> "Grn" labeled wire, FreqCtrl  input should be about 1/2 VCC  for 
> testing. If you do 'need' to modify the gain, It would seem better to 
> bypass the 470 ohm resistor with a cap in series with the 47 ohms.
>
> ws


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