This simple logic test circuit with 3 LEDs was found in October 1985 Radio Electronics magazine. The power supply is according to the logic, and this version is indicated for TTL.
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...