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.
This General Electric circuit is from the 80's. The PUTs used in this meter are not common...
This circuit provides a power of the order of 2 W, characterized by high performance. The output...
The sensor can be made using two bare wire or two screen with a piece of tisse between them. One...