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 loop antenna was found in a 1990s documentation. The circuit includes a field strength meter. The...
The value of R1 given by I = R1 / 5 determines the load current of this circuit. The maximum...
The 4046 PLL is uncommon these days. This circuit was found in the August 1994 issue of...