This circuit was obtained from Motorola documentation from 1969. The setting applies to other operating systems, including lower supply voltages. The zener determines the output signal.
The circuit we use makes use of Linear Technology's LT3080 (www.linear.com) which consists of a...
This circuit, suggested by Philips Components, uses as a base a voltage comparator of the type...
This circuit for the 3 to 6 MHz band was found in a 90s Popular Electronics. The components of the...