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Originally Posted by DavGoodlin
Good question. My '62 Motorola BW has one called a "vertical integrator", an integrated RC network intended to reduce assembly costs.  |
Those were generally called 'couplates'.
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Are these are also called "gimmicks" in the audio stages of many tube radios?
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Um.. a 'gimmick' usually referred to a very small value capacitor (2 - 3 pf or so) consisting of pair of insulated wires twisted together for a few turns. Sometimes used for neutralizing an RF or IF stage prone to oscillation.