Originally this circuit was created to produce synchronism pulses in TV cameras SSTV (Low scan frequency), however it can be adapted for other purposes. The integrated circuits are common TTL.
This configuration enables the use of low current switches or sensors to control high power loads...
We found this circuit in an old amateur radio manual. The circuit makes use of PIN diodes to...
The purpose of this circuit is to invert the phase of a noise and apply it to the environment in...