Found in General Electric's documentation from 1970, this circuit is indicated for the so-called “Solid State Lamp” (SSL). The LED symbol in the original diagram is inverted.
This small 3 transistor transmitter was found in an English publication from 1963. The coils must...
We find this circuit in a 1977 technical documentation. The circuit generates signals in a wide...
Found in a 90s Radio Electronics, this circuit is intended to trigger a relay when the current in...