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Amateur Radio - Ham Radio Magazine Searchable Index - List by Category

A Searchable Index of the old "Ham Radio" Magazine

"Ham Radio Magazine" was a periodical that ran for almost 22 years from 1968 to 1990. Use this indexed search to quickly find what you'd like to look at and then go purchase the scanned magazines (On CD, elsewhere, or occasionally from some generous download website) or look for the old paper magazine at used bookstores.

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By Title Text By Author Callsign By Year Category

Results by Category: 6 — digital techniques

Article Author Page Issue
Dynistor, theW6GXN49Apr 68
Basic rules and gatesAnderson, Leonard H.76Jan 79
Gate structure and logic familiesAnderson, Leonard H.66Feb 79
Propagation delay and flip-flopsAnderson, Leonard H.82Mar 79
Flip-flop internal structureAnderson, Leonard H.86Apr 79
Self-gating the 82S90/74S196 decade counter (HN)W9LL82May 79
DigiscopeWB0CLH50Jun 79
Packet radio, introduction toVE2BEN64Jun 79
Multivibrators and analog input interfacingAnderson, Leonard H.78Jun 79
Counters and weightsAnderson, Leonard H.66Aug 79
Down countersAnderson, Leonard H.72Sep 79
Talking digital clockK9KV30Oct 79
Gate arrays for pattern generationAnderson, Leonard H.72Oct 79
Digital techniques: gate arrays for controlAnderson, Leonard H.82Jan 80
Digital-circuit problems, avoiding built-in, part oneW1BG43Sep 81
Digital-circuit problems, avoiding built-in, part twoW1BG50Oct 81
Digital-circuit problems, avoiding built-in, part oneComments VE2QO6Dec 81
Digital-circuit problems, avoiding built-in, part twoComments VE2QO6Dec 81
Making wavesW6HDM44Mar 82
Synthesizers, VHF and UHF, design of digital componentsG4CLF26Jul 82
Digital techniques: inside a phase-frequency detectorAnderson, Leonard H.28Sep 82
Digital techniques: shocking truths about semiconductorsAnderson, Leonard H.36Oct 82
Packet radio: part1KV7D, KV7B14Jul 83
Packet radio: part2KV7D, KV7B, WA7GXD18Aug 83
PL tone generator, a programmableWB0VSZ51Apr 84
HP-11 serial loopMartin, Vaughn D.101Apr 84
PL tone generator, a programmableShort circuit125May 84
Software piracy (letter)Forsyth, Mike8Sep 84
RTTY reader, interrupt-drivenKN4L72Sep 84
VIC-20 printer (HN)W2QLI88Sep 84
Packet radio: the software approachW4UCH63Sep 84
Smith Chart impedance matching on your Commodore 64WA9GFR120Oct 84
The Guerri report: computer technologyW6MGI54Nov 84
Packet radio and area networkingWB3JZO38Dec 84
The Guerri report: signal processingW6MGI156Dec 84
The Guerri report: computer technologyShort circuit8Dec 84
Run RTTY on your VIC-20W5TRS120Apr 85
Run RTTY on your TimexNU4V110Apr 85
Digital HF radio: a sampling of techniquesKA2WEU/DJ2LR19Apr 85
Digital HF radio: a sampling of techniquesShort circuit121May 85
Commodore 64, $100 printer (HN)W2QLI86Aug 85
Satellite tracker, digitally-controlledKA8OBL102Sep 85
DTMF controller for repeatersWB4FXD47Sep 85
Digital clock, build a fail-safeK1MC54Oct 85
Audio filter design, computer-aidedKE2J15Oct 85
Digital frequency readout using the Commodore 64W3NNL83Nov 85
Packet radio, automatic frequency and deviation testerWB2OSZ41Dec 85
Spread spectrum and digital communication techniques: a primerN9NB13Dec 85
Packet radio primerWA1FHB30Dec 85
AMTOR, AX.25, and HERMES: a performance analysis of three systemsW9JD63Dec 85
The Guerri reportW6MGI124Jan 86
Digital can do more, CommentsKA4JFO9Mar 86
The Guerri reportW6MGI125Apr 86
Computer control of ICOM R-71, 271, 471, and 751 radiosNG6Q47Apr 86
AMTOR, AX.25, and HERMES: a performance analysis of three systemsComments, G3PLX9May 86
Annunciator bell for the Kantronics KPC2K1ZJH22Aug 86
Using an RTTY terminal unit with the Heathkit HD4040 TNCAA8V59Aug 86
Packet radio TNC for the IBM PCVE3LNY10Aug 86
Get on SSTV - with the C-64I2CAB, I2AED, ed. K9EI43Oct 86
Amateur FSK: A spectral analysisWA6NCX42Dec 86
True frequency digital readout for the HW-101NU4F8Jan 87
Packet board updateComments: VE3LNY6Jan 87
Deluxe logic probeM. Wilde74Jan 87
Elmer's notebook: an introduction to digital communicationsW1SL92Jul 87
True frequency digital readout for the HW-101Short circuit41Aug 87
Continuous phase tonesComments: G3VMR6Aug 87
Elmer's notebook: an introduction to AMTORW1SL101Sep 87
Improving the WB3CEH programmable callsign identifier (HN)KL7XO82Sep 87
Get on SSTV - with the C-64Short circuit97Oct 87
Elmer's notebook: packet radioW1SL100Oct 87
CAT control system for the Yaesu FT-757GXSM6CPI26Nov 87
Thumbwheel frequency selector for the Yaesu FT-757GXKA9SNF33Nov 87
RAM drive for packet radioAD1B44Dec 87
AUTOTRAK, A simple rotor interface board for the C-64, VIC-20, etcK7NH10Dec 87
Build a QSO "beeper"KF6CU38Jan 88
Frequency synthesis up to 2 GHzWA6DYW22Apr 88
Practically speaking: using the digital frequency counter- some pitfallsK4IPV47Apr 88
Add a digital readout to the "poor man's spectrum analyzer"WA2PZ84Sep 88
DTMF tone signaling circuitWV6A42Sep 88
Direct synthesis VFOW7SX10Sep 88
Decoding data signalsWB4GCS60Dec 88
Two-Loop 10-Hz Step 40-70 MHz SynthesizerPY1LL & C Mathias24Jan 89
Going DigitalNH6N20Jan 89
$40 Digital Voice Storage ID'erWA4ADG10Feb 89
220-MHz 9600-Baud Data Radio System for PacketW2DUC67Feb 89
DTMF Group Call DecoderAA4NX53Mar 89
Electro-Braille Transducers and their ApplicationI4MK59Mar 89
Station Control Node Expand Your Versatility with SCNWAQRJT23Mar 89
Simple PROM Programmer, AV4V6A81Mar 89
Building a Digital FilterNB9K9Apr 89
Finding the Source of Computer-generated interferenceKBTM30Sep 89
Digi-KeyerAB4DP68Oct 89
Artificial Intelligence Applications In Amateur RadioNULN30Oct 89
Ultra Low Power Four-digit Sequence Touch Tone DecoderWA4ADG30Dec 89
A New Addition for your TNCK9MLD72Dec 89
Practically Speaking: Getting to know the Logic Families- pt 1: TTLK4IPV34Dec 89
Digital voice storage in the ham shackWA4ADG56Mar 90
Ultra Low Power Four-digit Sequence Touch Tone DecoderShort circuit87Mar 90
Digital signal processing, part 1: the fundamentalsNU1N24Apr 90
Digital voice storage in the ham shackShort circuit81May 90