73 Amateur Radio Today – October 1970
Issue Contents:
Understanding ICs
– Nice National Semiconductor ad …… W6DNS 16
ICs for Amateur Use
– Nice Amperex ad …… K1CLL 22
IC Regulator Circuits
– Nice RCA ad …… WB2EGZ 32
Camouflage
– Cutting down on fur coat money …… K9AZG 40
Phase-locked Loop
– Does every thing better than Mr. Clean …… K5JKX 42
Function Generator
– .01 Hz to 4 kHz generator …… WA2IKL 58
Toning Repeaters
– How why and the gadget to do it …… K6MVH 64
IC Power Source
– Simple regulator …… W1RAN 69
Solid-state Timer
– Ten minutes …… WB4MYL 70
Four-wire Inverted Vee
– Better than average antenna …… WA6COB 72
IC Marker Generator
– 200 – 100 – 50 – 25 kHz …… K4BBC 75
Improving Regulation
– In solid-state high voltage supplies …… K6BW 77
General Class Study Guide
– Part III – Power …… Staff 78
DXing In Roumania
– Peking behind the iron curtain …… YO2BO 96
73 Amateur Radio Today – October 1970