Pulse amplifier (T442E)

Found in MIT documentation, this circuit is intended to amplify pulses for oscilloscope displaying. Observe the supply voltages.

Power Zener (CB216E)
Using in operational amplifier is possible to increase the dissipation power of a zener. This...
1 kHz Tone Recognizer (CB1428E)
This circuit is found in a 1975s documentation for radio amateurs. It was developed to recognize a...
Fluorescent Rhythm Light For the Car (CB3810E)
This 1987 circuit uses a common ignition coil to generate high voltage to power a fluorescent lamp that...