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Steve Kavanagh wrote: A year or so ago I was working on a microwave local oscillator (at about 2.5 GHz) multiplied up from a crystal oscillator near 40 MHz. The output was found to jump in frequency by tens or hundreds of Hz many times as the LO chain was warming up. I was able to reduce this Steve, I've had several silver micas go weird in 20 odd year old Racal radios that I've fixed, they're second only to Tantalum caps as a cause of faults in those. But at least they don't explode! Regards Dan AC6AO G3NCR |
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