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.
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
This circuit was obtained from American documentation from the 1990s. The transformer can be a car...
National Semiconductor suggests the figure circuit for stabilizing the peak value of an...