Found in documentation from the 1970s, this circuit uses an oscillator and a display to warn of speeding. The circuit applies to cars with contact breaker.
This type of circuit is interleaved between a microphone and a transmitter in order to improve the...
The TDA2613 is the mono version of the TDA1521A and has pinouts compatible with an integrated...
This circuit was found in a 1977 CMOS Integrated Circuit Cookbook. The circuit should not be...