Found in a 90s American documentation, this circuit mimics the Enterprise warning signal from the movie Star Trek. The signal must be applied to an amplifier.
Found in General Electric documentation from the 1980s, this high speed perforated tape reader...
Found in 1980s Radio Electronics, this circuit triggers the ignition of a rocket after the...
Based on a PLL 567, this circuit serves as a receiver for the CB9574E circuit. S tuning is done in R1...