This oscillator is a 1950s application of one of the first types of commercial transistors, the CK722. The frequency depends on the coils, but the circuit did not go beyond 1 MHz, as most types of the time.
This oscillator is a 1950s application of one of the first types of commercial transistors, the CK722. The frequency depends on the coils, but the circuit did not go beyond 1 MHz, as most types of the time.