E)
This audio filter was found in the August 1993 issue of Radio Electronics magazine. It cuts low and high frequencies corresponding to rumble and scratch noises that occur on turntables.
This circuit has already been explored in other articles on this site. It shows how we can use two...
This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz....
Found in a RCA publication from the 1970s, this circuit is intended for the production of pulse...