This circuit is from American documentation from the 70s. This configuration appears in this section obtained from other sources. The signal is sinusoidal determined in amplitude by D1 and D2.
This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time...
This ultra-low power circuit makes the LED flash. The circuit is powered by 15 V in this...
This circuit was found in a 1968 General Electric manual. The circuit is for 3 A motors but can be...