Phase detector (CB8155E)

This circuit was found in a 1967 Electronic Design. The FET is from that time. Capacitor C is determined by the frequency of the signal worked.

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10 to 150 kHz Oscillator (CB6510E)
Found in an American documentation, this circuit may employ general purpose transistors and the...
H Bridge Current Monitor (CB5902E)
This conventional H-bridge current monitor circuit was obtained from a 2005 Linear Technology...
Flip Flop with regenerative output (CB6816E)
We found this circuit in an old documentation. The circuit can supply loads up to 10W with the...