Re-read what Larry (L7LJ) wrote. They will work fine for a few months, then
they acting strange.
"w9mwq" <[EMAIL PROTECTED]> wrote:
> I have a Micor TLD1693 amp, designed for the 150 to 162 Mhz range,
> and am told that the amp will not operate at the 146 Mhz range, told
> that componets have to be changed. Here is what I don't understand
> about it, maybe someone can help expain it. Into a Cushman serive
> monitor, I'm getting 100 Watts out of the amp at both 146.925 and
> 154.115 Mhz, keyed down the temperature is the same after a 5 min
> keyup test, allowed to cool down for each test. I see no spikes or
> spurs at either frequency. Granted this will be used on a repeater
> and key down times can go much longer, but why would this amp not
> operate at 2 meters, just cause Motorola says the specs are for 150
> to 162. I've seen amps go from 138 to 174 with no problems, just a
> matter of tweaking. So help me to understand what the difference
> really is between the TLD1693 and the TLD1692 amps. Thanks.
>
> Mathew
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> Yahoo! Groups Links
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