73 Amateur Radio Today – March 1974
Issue Contents:
The Sensuous Cavity
– An easy way to cure spurious emissions and a host of other ailments …… K8JNE 17
Sexton’s Laws
– From the First Book written in the Second Epoch …… WB6CHQ 25
Constant Current Sources
– Question of the month : What should the ideal op amp have? …… K3VKC 29
Easy Calculations
– (Let’s see 2 + 2 = 5 …ed.) …… K6TXR 31
The World of X-band
– Starring: Ray Milland Diana Van Der Vlis and Harold J. Stone …… KlCLL 33
An IC Preamp That Doubles as a Tone Generator
– Read about this startling identity crisis …… W6GXN 45
Increased Speed for the K2OAW Counter
– As if it weren’t fast enough already …… W4CUG 49
ABI Notes
– Tip Tip Tip Tip Tip Tip Tip Tip Tip Tip …… WA0ABI 53
A Six Meter Transceiver
– You can convert the June 1973 (page 12 73 Magazine) CB construction project to 6m using thisarticle …… W5QWY /0 61
Macro-iC-ology
– A Blowup of an article …… W3KBM 67
How the Communications Receiver Began
– Overnight success hasn’t gone to its head …… Moore 69
The Truly Great Ham
– (Ahem recognition at last …ed.!) …… Sargent 75
Initial Generator
– This does not necessarily have to be your first generator …… W8JIX 77
Regulated Oscillator Screen for the ART-13
– A surplus article …… WA9IHV 79
Estimating Power Transformer Ratings
– If you’re really finicky don’t read this article …… W6FPO 80
The Quiet Maker
– Shhhh!!! …… W2EEY 81
Frequency Netting of the Older Motorola FM Units
– Go out and buy an old Motorola FM unit so you can read this article …… WA0GUD 85
The AM 1187/tRC on 450 MHz
– Better buy one of these while you’re at it …… K3ZKO/aFA3ZKO 91
Using the Drake R4B Receiver as a 2m Signal Generator
– Wow!!!! …… W5ACK 93
FM Conversion of G.E. Low Power Industrial Transceivers
– Get out your checkbook for this one too …… WB4MYL 95
Amateur Rules a nd Regulations VIII
– This month finicky Balboa sets sail to discover the Specific Ocean …… FCC 98
73 Amateur Radio Today – March 1974
