This circuit is from an old American publication, using transistors of the time and operating with a 48 V power source. The load is 2.2 ohm, and the transistors must be replaced by modern equivalents.
This circuit for analog TV was found in an American documentation from the 90s. The circuit uses an...
The rectangular oscillator shown in the figure makes use of one of the four NAND ports of an...
This two-input limit detector was found in an American 1980s documentation. The circuit can be...