This circuit was found in the July 1994 issue of Electronics Now magazine. The relay can be rated at up to 12 V and 100 mA. The transistor is a general purpose transistor.
We found this circuit in an English publication in 1991. The circuit can be assembled with...
The presented circuit was suggested by the 1994 Linear Applications Handbook from National...
This 1993 circuit is evidently for analog TV in the VHF range. The circuit has good power and...