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Query: preamp building

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Technical Reference > Preamplifiers

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Antennas > 160M

Receiving antenna for low bands — PA6Z

K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
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Technical Reference > Preamplifiers

GaAs FER Pre Amp Cookbook — WA5VJB

There are many designs for building preamps each with their own advantages and disvantages. In this PDF Article author reviews several different types.