Re: 2T Problem

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Re: 2T Problem

W1WCI
Yes, suggestions that cause me to think!  Checked, but the only numbers
that were wrong were the ones on Q4 and Q3.  They are now the way it was
designed and every thing works fine!

Thanks
73
Tim
W1WCI

Robert Friess wrote:

> Hi Tim,
>
> The first thing to do is to make sure that the jumper blocks are on
> the correct pins.  If you have any doubt, just remove them
> completely.  That condition is the same as "tone on".
>
> One of the nice things about the 2T generator is that the two
> oscillators are identical except for the frequency determining
> resistors.  You should be able to compare the voltages read on each
> pin of U1A to its corresponding pin on U1B and do the same thing on Q4
> compared to Q2 and Q3 compared to Q1. This should help in finding the
> defective component.
>
> 73,
> Bob, N6CM
>
>
>
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