This 50% active cycle TTL clock generates signals from 4 to 20 Hz. Its power must be supplied with 5 V and other frequencies can be generated with capacitor replacement.
This one-digit photometer using CMOS circuits was found in a 1989 documentation. The circuit is...
Mouser Electronics is now offering a reference design board from ST Microelectronics STEVAL-WESU1...
This two-transistor amplifier stage has a feedback network allowing a voltage gain between 10 and...