Negative Feedback Stage (CB6131E)

This circuit is from a 1967 US publication. The configuration can serve as a basis for designs with modern components.

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Switched Positive Regulator 723 (CB5462E)
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this...
Tracking Transmitter (CB17648E)
The range of this circuit is very small, serving only for applications that involve the location of...
Power supply for amplifier (CB23879E)
This is the power supply circuit for the amplifier in the previous circuit. The source is...