73 Amateur Radio Today – August 1974
Issue Contents:
Modern 4-1000A Linear
– At last -a use for that 4-1000A lying around in your junkbox …… K8UIR 17
“Free” Batteries for TT Pad Power
– 73 lands another great article …… W3WTO
The Scotch Transistor
– Hoot Man you don’t have to throw it away after all …… WA9UFG 31
Poor Man’s Universal Frequence Generator
– Only after you build it …… W2EEY 33
Universal AFSK Generator
– An article of cosmic importance …… K6IQL/n0ZIP 37
Cheap 10-mmute Timer for the Shack
– Price does not necessarily indicate shoddiness …… WB2VRW 47
Low Frequency Phased Array
– Here’s one to satisfy all you 80m buffs …… W2OZH 49
DC Isolation of RF Amplifiers and Modulators
– Another great one from Bill …… K1CLL 55
Little Bill
– A neat little transmitter …… W9WBH 63
3000V DC Supply
– Here’s something to do after you finish your 4-1000A …… K8VIR
Diagrams
– At long last an easy way to tell the difference between a resistor and a tube …… WB2PAP 73
73 Amateur Radio Today – August 1974
