RMS to DC Converter (CB6593E)

Found in older documentation this setting applies to modern components, noting that the power supply must be symmetrical.

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Tunnel diode delay (CB21431E)
With two cascading tunnel diodes, this circuit found in a 196 General Electric documentation...
Darlington Photo Amplifier (CB8316E)
Found in General Electric's 1969 documentation, this circuit uses two Foto Darlingtons to control...
Amplifier for Telephone Pickup – II (CB989E)
This circuit is used in the analog part of the telephone lines. The same circuit can directly...