This circuit uses uncommon Texas Instruments components today. The circuit is from an American documentation. Transistors are commonly used PNP. The display is 7 segment multiplexed.
This single-channel remote control transmitter operating in the FM range uses common components and...
This circuit was obtained in a 70s American documentation. The integrated circuits of the time are...
This voltage sensor limits the discharge of a Nicad battery. We found it in an American...