[Lowfer] [part15] Bench testing was a huge disappointment
Andy - KU4XR
ku4xr at yahoo.com
Thu Mar 11 23:21:26 EST 2010
The short answer to that one Charlie is; NO .... And I think I may
have discovered my problem. Miscalculation of component values when
converting from picofarads to microfarads, and nanofarads to micro-
farads. I pretty sure that my capacitor values are all messed up.
One zero too many OR; too few, can throw a circuit all outta whack.
Andy - KU4XR - EM75xr - Friendsville, TN. USA
LOWfer Beacon " XR " @ 185.29875 KHz ( QRSS-60 )
Coordinates: N: 35º 43' 54" - W: 84º 3' 16"
http://www.myspace.com/beaconxr
http://webpages.charter.net/ku4xr/
--- On Thu, 3/11/10, Charlie , W5COV <cvest at cox.net> wrote:
> From: Charlie , W5COV <cvest at cox.net>
> Subject: Re: [Lowfer] [part15] Bench testing was a huge disappointment
> To: part15 at yahoogroups.com, lowfer at mailman.qth.net
> Date: Thursday, March 11, 2010, 11:10 PM
> Andy can you hear your 28 MHz. local
> oscillator from the transverter board on a nearby receiver ,
> with nothing injected on the input ?
>
> I don't know what kind of test equipment that you have .
>
> While I am marking time here , I just started to put one
> together like you have , just so I could compare the two .
>
> If nothing happens on my end , which is a minute by minute
> situation right now , I should be able to give you some
> voltage readings maybe tomorrow .
>
> Charlie
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