This General Electric circuit is from the 80's. The PUTs used in this meter are not common components today.
This circuit using a SIDAC is suggested by ON Semiconductor in its thyristor manual. The circuit...
This circuit generates signals controlled by crystal and can generate marks up to 30 MHz of 1 in 1...
You can program the 4018 in other ways, as shown in the figure. In this 7 divider configuration, for...