73 Amateur Radio Today – April 1984 Issue
Issue Contents:
Doing It At Dayton
– This unofficial Hamvention handbook helps attendees and dreamers alike …… WA4BPI 10
Me and My Stupid Old PMOS Converter
– At last there’s an easy way to get -12V from a +5-v power supply. Who said “trial and error”? …… WB1HKU/6 14
Watch That Signal!
-haul out your old oscilloscope and turn it into a signal monitor. The conversion is easy and the price is right …… W4RNL 20
Digital Design: How to Interface ICs
– Connect ICs to the outside world with these hints from the author of “Digital Basics” …… K4IPV 30
Emulate an EPROM Elephant
– The portable RAM-faker never forgets. Well hardly ever …… McCarthy 40
Crystal Microwave
– “Easedropping” on this part of the spectrum is up to you. Here is a simple way to start …… WA4WDL 42
Take A Trip to Europe
– These tips from the world’s top SWL make it possible …… Peterson 48
Four Bands One Whip
– Quadruple your mobile operating pleasure please but don’t blame us …… K3OF 56
The Conlog Solution
– What’s the key to winning contests? Put an Atari and this program at the helm of your station and find out …… N5ATD 62
Ishmod’s Journal
– What happened in 1963 finally surfaced in 1983. Was he a fool? …… Whipple 64
The Terminal Terminal Unit
– Build this variable-shift TU. Its performance will knock you dead …… K3PUR 70
Wheeling and Dealing with Preamps
– For a switch from the remote hills of West Virginia comes a great antenna idea …… W8PMS 84
How to Have a Sunny Field Day
– When Michigan hams turned to solar power they got more than they bargained for. Does success mean anything? …… W8YZ 100
Painless OP-amp Filter Design
– Custom applications can be easy. Just follow this step-by-step guide to a perfect op-amp filter …… W4RNL 102
73 Amateur Radio Today – April 1984 Issue
