Watermark
Home
  Satellites
    Preamplifier
      GaAsAmp

Language:
  Español

Preamplifier
  Intro
  Photos

Other info:
  Links
  Bibliography
  Where are we?

A GaAsFET low-noise preamplifier for 137 MHz

Amplifier housing

Amplifier housing, BNC connector side
A complete view of the amplifier

Input tuned circuit
Input coil detail

Input coil detail
Output circuit and power supply

Output circuit
Output circuit

Mounting bracket
Mounting bracket

The amplifier mounted on the plastic mast
The mounted amplifier again


(c) John Coppens ON6JC/LW3HAZ mail