This circuit was found in a 1968 Motorola documentation. The circuit can be implemented with virtually any photo transistor and general-purpose transistor.
This regulator provides a regulated output voltage of 48 V under a current of up to 1 A from a 60...
This oscillator can generate signals from 100 kHz to more than 50 MHz depending on the crystal used...
This circuit was found in 1980s American documentation. The transducer is a piezoelectric capsule and the...