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Original Message
RE: ceramic cap
Posted by HoosierAudio on July 5, 2016 at 19:33:13:
Yes that's absolutely true, that's why you typically don't muck with the cap type in the front end, the key being RF frequencies, figure 100MHz for FM. Now once you hit the IF stage the frequency drops to 10.7MHz and then into the composite stage at about 55KHz which is where C3 lives, so no there's no good reason to use a ceramic there. More a cost and availability reason than a technical reason. IMHO
HA