This circuit was found in the December 1984 issue of Radio Electronics magazine. The circuit has a control voltage range of -15 to 0 V requiring a symmetrical source.
Using the CMOS version of the 555, this circuit generates voltage-controlled signals in a range...
Found in the November 1984 issue of Radio Electronics magazine, this circuit generates frequencies that...
This circuit with transistors and a crystal microphone appeared in Radio Electronics magazine in...