The circuit shown is from Texas Instruments optoelectronics documentation. The input signal is audio and equivalent LEDs can be used. Other operational amplifiers can also be used.
This circuit operates at 27 MHz serving as a receiver for the transmitter formed by CB18526 and...
The circuit presented is from a 1972 RCA technical documentation. The integrated circuit consists of a...
This 1 kHz triggered oscillator was found in an Electronics Now from the 90s. The circuit fires off...