TV modulator using a motorola MC1374

This circuit diagram illustrates a triangular wave generating circuit utilizing a pair of operational amplifiers (Op-Amps). The LM741 Op-Amp is recommended for this application. The first Op-Amp, located on the left, functions as a comparator, while the second Op-Amp...

A digital integrated circuit simplifies the response process significantly. The diagram illustrates a circuit comprising four responder groups. The digital integrated circuit described serves as a crucial component in various electronic systems, primarily focusing on enhancing response efficiency. It comprises...

This is a dry cell battery charger circuit designed to charge batteries over a period of approximately 12 hours. When powered by a 9-volt supply, the circuit is configured to accommodate AA-sized batteries. If C or D-sized batteries are...

Capacitors C1, C3, C5, and C6 should be dipped mica. C4 and C7 are compression or piston trimmer types. R6 is a PC-board mount trimpot. More: L1 is 6 turns of No. 14 enameled wire, with a 1-inch inner...

A current-sense amplifier is utilized to enhance the performance of the LM1875 current-mode amplifier circuit, as depicted in Figure 5-20. The resistor R3 and the series resistance of the speaker contribute to the current flowing through R3. This current...

A digital volume control circuit diagram utilizing the DS1669, a potentiometer integrated circuit. This circuit can serve as a digital volume controller for audio amplifiers and various other applications. The digital volume control circuit employs the DS1669 integrated circuit, which...