Circuit Library › Amplifiers

Amplifiers

Amplifiers in the QRPedia Circuit Library.

2 of 2 circuits

2 W Bipolar Power Amplifier, 7 MHz (MJE181)

Amplifiers › power40m12 VMJE181 NPN

The power amplifier of the beginner's experimental transmitter in Experimental Methods in RF Design, Chapter 1.

circuit sim-pass

W7EL Two-Transistor Feedback Buffer Amplifier

Amplifiers › small-signal80m 40m 30m 20m12 V2N3904 (MMBT3904 for SMD)

A buffer by Roy Lewallen, W7EL, shown in Experimental Methods in RF Design as Fig 2.79, often used as an oscillator buffer.

circuit sim-pass