This amplifier stage without an output transformer was found in Radio Electronics magazine from October 1963. The supply is 12 V, and the output is 8 or 16 ohms.
Found in a Hands On Electronics from the 80's, this circuit activates a relay with alternating...
A version of a monostable that uses the 4528, but is triggered by negative transitions of the...
This 600 kHz circuit is designed to locate a lost boat anchor. The circuit has a range of up to 10...