This flip-flop with neon lamps was found in a 1969 publication that deals precisely with neon lamps. Observe the high supply voltage.
This circuit was found in a Popular Electronics of the 90s. The operational amplifier admits...
This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit...
Found in a 1968 Motorola publication, this circuit generates a high-powered audio tone when...