Ripple Filter (CB6724E)

This circuit was found in a Delco 1965 publication. Transistors may be current equivalents according to the desired output voltage and current.

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Video loop with controlled gain (CB8738E)
This variable gain circuit for analog video signals was found in a 90s Linear Technology...
CMOS and MOSFET Power Control (CB11893E)
In the figure we show how to connect a power MOSFET to the output of a CMOS function to control a power...
Super regenerative receiver (CB22526E)
This receiver using a FET appeared in a November 1957 Radio Electronics magazine. It is one of the...