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73 Magazine (September 1970)

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Book Id: WPLBN0003304693
Format Type: PDF eBook :
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Reproduction Date: 2011

Title: 73 Magazine (September 1970)  
Author:
Volume:
Language: English
Subject:
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Historic
Publication Date:
1970
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73 Magazine (September 1970). (1970). 73 Magazine (September 1970). Retrieved from http://hawaiilibrary.net/


Description
Description: 73 Magazine September 1970 (#120) Integrated Circuit CW ID Generator - Automatic identification for your station ...... W7PUG 16 Six Volts From Twelve Volts - Six buck solid state voltage dropper ...... K3GSV 26 The Indicating Oscillator - Another dipper circuit, 1-400 MHz ...... KH6AF 29 Tuning VHF Receivers - Clever infinite attenuator and oscillator unit ...... K1CLL 32 Code Practice a la Baby Talk - Everybody's doing it ...... W9PXA 35 Using Those Bargain ICs - Three testers will test most ICs you will encounter ...... WA2IKL 38 Repeater Antenna Separation - One of the easiest ways to improve repeater range ...... K6MVH 45 Diode Stacks - Replacing those high-power rectifier tubes ...... W2BDG 54 Deluxe Receiver Gain Control - Using one transistor and a zener ...... VU2JN 56 A New Approach to Communications Equipment - A call for manufacturer standardization ...... K9ALD 60 Reed Relays for Coaxial Switching - Work very well for UHF low-power applications ...... W7CRV 64 File Box Resistance Decade - First in a series of file box test gear ...... WB4ITN 66 The DyComm VHF-FM RF Amplifier - Transistorized, 15 watts out ...... Staff 70 General Class License Study Course - Part II, Alternating Current ...... Staff 74 What Really Happened to Hamdom? - The horrible truth about CB ...... W9HBF 82 Beer Can Two-Meter Coaxial Antenna - Drink you way to a good signal ...... WA0RWQ/6 86 Converting 24V Relays to 115 VAC - using a couple of cheap diodes ...... Douglas 88 Versatile 2m MOSFET Converter - Low noise, high gain, ultra stable ...... WB6YVT 90 Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.A

 
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