Parametric Amplifiers

Ham Radio Parametric Amplifier

Jim Fisk WAGBSÜ

Jim Fisk WAGBSÜ

A New Book Published by 73

This book, the first on parametric amplifiers for the ham> is written for the average amateur and explains in simple language how they work, how to bulfd your own for the various UHF bands, and how to tune them up. Parametric* have helped UHF move into the space age, but don't forget that the first working parametric am* ptifier was built by W1FZJ and worked on six meters.

Order this book direct, $2.00 postpaid, or from your locaf parts distributor»

73 Magazine Peterborough, N. H.

WHY DOES BUZ REEVES (K2GL)OWN FOUR HENRY 2-K LINEAR AMPLIFIERS ? * *

6% FINANCE CHARGE • 10% DOWN OR TRADE-IN DOWN • NO FINANCE CHARGE IF PAID IN 90 DAYS • GOOD RECONDITIONED APPARATUS. Nearly oil makes and models. Big savings! 15 day trial — 90 day warranty, 90 day full trade back on new apparatus. Write for bulletin.

0 0

Post a comment