Quote:
Originally Posted by Phil Nelson
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There is no 5.6K resistor in the schematic supplied by vts1134. Do you mean R23 in the RA-102 schematic, the 5.6K connected to pin 4 of the 6AC7?
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Phil Nelson
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Yes, exactly. For AC signals coupled through the amplifier output capacitor, the 5.6k appears to be in parallel with the collector resistor and lowers the gain. Also, the detector diode may present a non-linear load and distort the signal.
03-11-2017, 09:51 AM
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