This is the receiver for the previous transmitter. The signal consists of digital pulses with a compatible TTL or CMOS output. The integrated circuit is a 4093 and a photodiode of any type.
The purpose of this interesting circuit found in a 1977 documentation is to complete the last...
This circuit allows to drive a triac with high power AC load from a CMOS output or directly from a...
This circuit was obtained in a documentation from the 80's. However, using TTL it is still modern,...