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 appears in other articles in this section, but it is very interesting. It is a...
This circuit works directly connected to the network and special care must be taken with its...
The oscillator indicated can produce signals from 50 kHz (approximately) to 7 MHz, depending only...