This amplifier for the 10 m (30 MHz) band has a gain of 12 to 15 dB having been found in an American documentation. Other RF transistors can be used like 2N2222 or 2N2218.
This circuit, found in an English publication in 1982, has an inverted sequential effect, as the...
This transistor circuit was only found in documentation from the 1960s. The original transistor is made of...
The circuit shown consists of a bilateral constant current source with an operational one that...