The supply of this circuit can be done with voltages from 8 to 28 V and the maximum output current is 3 A. The gain is 36 dB. The speaker impedance is 4 ohms.
This 4-digit counter was found in a 1997 documentation. It uses CMOS integrated circuits and can...
This circuit provides a delay that depends on the components on the RC network. The formula for...
This circuit was found in an Electronics World of 1968. Its purpose in triggering a relay when the...