Wireless Microphone (CB21923E)

This mid-waveband wireless microphone was found in a Raytheon transistor manual from the 1960s. The transistor is germanium from the time.

5 W Amplifier (CB16569E)
This traditional amplifier with complementary output transistors was found in a publication in...
1 to 4 MHz CMOS Oscillator (CB9658E)
This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1...
15 V Regulator MA1539 (CB4017E)
This circuit is from a documentation on the MC1539 from Motorola and may, however, be implemented...