We found this circuit in an Australian publication from 1991. It is a kit of the time with input for a guitar pickup. The range is a few tens of meters.
This circuit was found in a 1978 English magazine. It is a configuration that aims to select the...
This circuit brings together in a single set a preamplifier and an equalizer with several inputs. The...
This narrow pulse generator is suggested by Texas Instruments using a Diac. The space mark ratio...