PLL (CB7971E)

This common operational PLL circuit was found in a Popular Electronics 90’s. The power supply need not be symmetrical.

Short circuit test (CB7945E)
We have articles on the site with the name “lamp test” for this configuration found in a Popular...
Differential Amplifier and 15 MHz Low Pass Filter (CB12934E)
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...
H Bridge bidirectional sensor (CB5397E)
This current sensing circuit for applications up to 10 A has been found in a Linear Technology...