MW Commercial Radio Model 1826 (CB18524E)

This 6-transistor radio was sold in Japan in the 1960s. The super-heterodyne circuit for the OM band was powered by ordinary batteries.

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Regulated 5 V Power Supply LM309k (CB20195E)
This power supply that we found in an old American documentation uses an integrated circuit that...
Wideband Amplifier (CB24736E)
Found in the February 1983 Radio Electronics magazine, this circuit uses a FET and has good gain...
100 kHz Crystal Calibrator (CB3926E)
This crystal oscillator circuit is indicated for use as a frequency reference in the calibration...