This amplifier is from Motorola documentation from the 70s. The circuit uses transistors from the time, which are not common today, such as the SE7005 or 2N3916 at the output.
This circuit generates 50, 100 and 200 Hz signals from a 2.2768 MHz TV crystal. The circuit can be...
The figure shows how to use the LM3900 to drain current from a load of up to 20 mA with the...
Frequency modulated signals up to 500 kHz can be decoded with the PLL we show. The demodulated signal...