Negative Resistance Resistor (CB25971E)

This circuit found in Electronics Now magazine emulates a negative resistance -1k resistor. The circuit can be used in relaxation oscillators.

5 W Class Amplifier (CB13674E)
This unusual audio amplifier configuration was obtained in a 1974 documentation. The PNP...
High Power MOSFET Amplifier 4 (CB10996E)
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...
Light Level Meter (CB21049E)
Found in National Semiconductor documentation, this logarithmic meter is powered with a voltage of only...