This circuit can be used to obtain a zener voltage from a common zener of another value, adjusting in a multimeter. The circuit is from an American documentation of the 1970s.
This circuit allows the use of headphones and microphones with diverse characteristics in audio...
Here we show how to add a reset key to the monostable using two NAND gates (CB127E). When the key...
This configuration using a CMOS IC produces a 1 MHz signal. The circuit can be used as clock in...