This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The circuit is for the AM band up to 3 MHz. The transistors are general-purpose.
This circuit was found in a documentation from the 50's. The transistor is made of germanium and...
This circuit is from a Japanese magazine of 1973. The circuit is designed to withdraw the power...
The difference in the circuit shown in the figure, in relation to the CIR8144r, is that it uses a...