Bistable (CB21100E)

This bistable with transconductance operational amplifier was found in early National semiconductor documentation.

Pulse Width Discriminator (CB5159E)
This circuit was found in an American 1980s documentation. Equivalent operational amplifiers can be...
Ultrasonic Generator (CB6891E)
Although most common piezoelectric transducers have a reduction in performance at frequencies...
Acoustic Switch (CB17358E)
This sound relay, Vox or acoustic switch has a bistable action triggering a relay when the...