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Circuit Bench

Absolute Value Circuit (CB19719E)
The OP07 operational amplifier is not common today, as the circuit is from an old European manual....
High Input Impedance AC Follower (CB14137E)
The circuit shown was found in the 1994 National Semiconductor's Linear Application Handbook. The...
1.5 V White LED Flasher (CB20428E)
This circuit switched with the help of small inductors produces a peak voltage above 20 V that is...