This circuit is from a 1964 Electronic Design book that presents application ideas for transistors. The circuit uses a transistor from that time, but modern equivalents can be used.
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...