Half Wave Fast Rectifier (CB5160E)

This 80's circuit can be made with current comparators. Rectification accuracy is 1% DC up to 100 kHz.

Photo Detector Temperature Compensated (CB807E)
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...
1 Hz to 10 MHz TTL Oscillator (CB1471E )
The frequency of this oscillator depends on the capacitors, being able cover the range between 1...
Emergency Light (CB506)
This simple circuit connects in external battery to a load when the AC Power line fails. S1 can be...