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Knight KG-650 Signal Generator
I set aside the previously-posted KG-686 and completed the restoration of the simpler KG-650 Signal Generator. Actually, the kit-built unit I have has no indication of a model number, but is electronically identical to the KG-650.
BUT, here’s my problem. The frequency range is in four bands. (I’m ignoring the fifth band) A 160-550 KC B 550-1850 KC C 1.85-7.0 MC D 7-27 MC Checking with a calibrated frequency counter across the entire range for each band: Band C - RF output matches the dial settings exactly. Band D - RF output is 5% below dial settings. Band A - RF output is 33% below dial settings. Band B - RF output is 50% below dial settings. In this restoration all questionable components have been replaced. The original wiring instructions have been reviewed step-by-step. Most of the original wiring was replaced. Every connection was re-soldered or at least re-melted. Can someone give me a clue as to what might be wrong? Six photos of restoration: https://flic.kr/s/aHskxHUPeb
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Winky Dink Damn the patina, Full speed ahead! |
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