Pre for stereo playback (CB7336E)

This circuit is from Mallory 1968 documentation. The circuit makes use of period components and equalization and NAB.

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4093 Sine Square Converter (CB25324E)
We found this circuit in an article in Electronics Now magazine from March 1996. The frequency is limited...
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The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by...
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