This two-output circuit was found in General Electric documentation from the 1990s. The circuit uses an NTC as a sensor and the control element is an SCR.
We found this different configuration that uses a fluorescent lamp as a negative resistance device...
This modern regenerative receiver was featured in the March 1994 issue of Electronics Now...
This circuit is from a 1980s Motorola documentation. The circuit makes use of old components that can in...