Quote:
Originally Posted by ms660
2nd peak of Osc trimmers on some shortwave bands in some receivers can also lead to a merry dance, someone had one recently here on this forum where by the trimmer had an adjustment range that covered both osc above signal and osc below signal, it had been peaked to below signal instead of above.
That effect is pointed out in some receiver manuals but not in others.
Lawrence.
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Definitely! Up at 30MHz-odd, a small swing of the trimmer can cover a huge range of oscillator frequency, don't miss that quick plip and be sure it's the right one, very much safe-cracker's fingers stuff.