We found this circuit in a technical documentation from the 1980s. The circuit is from Texas Instruments with components from that time, not very common today.
This circuit uses an unusual electromechanical component: a mechanical blade resonator. The...
This circuit from a Japanese publication in 1968 uses germanium transistors from the time like the...
Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic...