The name of this circuit comes from the appearance of its characteristic curve shown next to the diagram. The circuit was found in a Popular Electronics from the 90s.
We found this circuit in a 1976 documentation. The FET can be the BF245 and the bipolar transistor a...
This circuit is the receiver for the CB13997E. The transistor can be the BC548. We also found this...
We found this oscillator in a publication for radio amateurs from the 70s. The circuit generates...