12V Charger (CB6399E)

We found this circuit in a 1968 Motorola publication. The circuit has a charge current of 16 A which determines the current of the transformer.

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Ramp and Hold Circuit (CB14217E)
The circuit whose characteristics are given in the graph uses two transconductance operational amplifiers...
kHz Crystal Oscillator (100)
This circuit was found in the Radio Electronics magazine in an article about emitter-coupled...
Temperature Sensor (CB6022E)
This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon...