Photodiode amplifier 2 (CB6790E)

Found in an EDN from the 90's, this circuit can be implemented with modern operational amplifiers. The power supply must be symmetrical.

Boltrack Connectors - Amphenol FCi
Mouser Electronics has in stock Amphenol FCI Booltrack ™ connectors for robust connectivity...
High Power Sound and Ultrasonic Generator (CB1563E)
In the figure we show an application in which the 4093 excites a stage with 4 transistors in the...
Siren (CB4181E)
This siren was found in a 1980s documentation. The circuit makes use of very old operational that were...