This amplifier with the LM1098 and LM101 by Motorola from a 1990 manual can be designed with more modern operations. The bandpass for small signals is 3.5 MHz and the power range is 250 kHz.
Twin-T oscillator are designed to produce sine low frequency signals. These oscillator are...
This circuit keeps an LED on briefly when S1 is pressed. The time depends on C1. The circuit is...
This stage was used in old audio ampliiers and radios from the 1950s and 1960s. It uses one of the...