The figure shows how to associate flip-flops in a shift register to obtain a lower frequency sinusoidal signal. The circuit is from a Radio Electronics from November 1976.
Several analog TV channels operate with stereo audio signals, but the vast majority of receivers are...
Found in old documentation, this circuit uses components that are still common on the market. The...
The LED is optically coupled to the LDR1 sensor to provide negative feedback to the circuit and...