An Index for Ham Radio Magazine

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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Results by Category: 22.1 — receivers and converters - general

Article Author Page Issue Available to Buy?
S-meter readings (HN)W1DTY56Jun 68 
Receiver impedance matching (HN)W0ZFN79Aug 68 
Audio amplifier and squelch circuitW6AJF36Aug 68 
I.f cathode jackW6HPH28Sep 68 
Panoramic reception, simpleW2EEY14Oct 68 
Detectors, ssbBelt22Nov 68 
Converting a vacuum-tube receiver to solid-stateW1OOP26Feb 69 
Calibrator, plug-in frequencyK6KA22Mar 69 
Antenna tuner, miniature receiver (HN)WA7KRE72Mar 69 
Noise figure, the real meaning ofK6MIO26Mar 69 
Noise blanker, ICW2EEY52May 69 
CW selectivity with crystal bandpassingW2EEY52Jun 69 
Calibrator, simple frequency-divider using mos ICsW6GXN30Aug 69 
Noise blanker, hot-carrier diodeW4KAE16Oct 69 
Product detector, hot-carrier diodeVE3GFN12Oct 69 
Antenna impedance transformer for receivers (HN)W6NIF70Jan 70 
Audio filter, tunable peak-notchW2EEY22Mar 70 
Radio-direction finderW6JTT38Mar 70 
Audio filter, variable bandpassW3AEX36Apr 70 
Noise blanker, ICShort circuit79Jun 70 
Audio filter-frequency translator for CW receptionW2EEY24Jun 70 
Phase-shift networks, design criteriaG3NRW34Jun 70 
Audio filter for CW, tunableWA1JSM34Aug 70 
Intelligibility of communications receivers, improvingWA5RAQ53Aug 70 
Counter dials, electronicK6KA44Sep 70 
CW transceiver operation with transmit-receive offsetW1DAX56Sep 70 
Noise blanker, hot-carrier diodeShort circuit76Sep 70 
Audio filter, simpleW4NVK44Oct 70 
Frequency spotter, general coverageW5JJ36Nov 70 
Interference, rfW1DTY12Dec 70 
Superregenerative receiver, improvedJA1BHG48Dec 70 
CW monitor, simpleWA9OHR65Jan 71 
Local oscillator, phase-lockedVE5FP6Mar 71 
Anti-QRM methodsW3FQJ50May 71 
Audio agc principles and practiceWA5SNZ28Jun 71 
Frequency calibrator, how to designW3AEX54Jul 71 
I-f system, multimodeWA2IKL39Sep 71 
Receiving RTTY, automatic frequency control forW5NPO50Sep 71 
CW processor for communications receiversW6NRW17Oct 71 
Calibrator crystals (HN)K6KA66Nov 71 
Radiotelegraph translator and transcriberW7CUU, K7KFA8Nov 71 
Weak signal reception in CW receiversZS6BT44Nov 71 
Frequency calibrator, receiverW5UQS28Dec 71 
Diversity receiving systemW2EEY12Dec 71 
Audio filter mod (HN)K6HIU60Jan 72 
Threshold-gate/limiter for CW receptionW2ELV46Jan 72 
Ssb signals, monitoringW6VFR36Mar 72 
Detector, reciprocatingW1SNN32Mar 72 
Squelch, audio-actuatedK4MOG52Apr 72 
Radiotelegraph translator and transcriberEliminating the matrix KH6AP60May 72 
Threshold-gate/limiter for CW receptionAdded notes (letter) W2ELV59May 72 
Detector, superregenerative, optimizingRing32Jul 72 
Interference, electric fenceK6KA68Jul 72 
Superregenerative detector, optimizingRing32Jul 72 
Audio-filters, inexpensiveW8YFB24Aug 72 
Hang agc circuit for ssb and CWW1ERJ50Sep 72 
Frequency standard (HN)WA7JIK69Sep 72 
Spectrum analyzer, four channelW9IA6Oct 72 
Image suppression (HN)W6NIF68Dec 72 
Noise blankerK4DHC38Feb 73 
Communications receivers, designing for strong-signal performanceMoors6Feb 73 
Radio-frequency interferenceWA3NFW30Mar 73 
Interference, rfWA3NFW30Mar 73 
Reciprocating detector as fm discriminatorW1SNN18Mar 73 
Audio module, completeK4DHC18Jun 73 
Batteries, how to select for portable equipmentWA0AIK40Aug 73 
CW filter, adding (HN)W2OUX66Sep 73 
Filter, vari-QW1SNN62Sep 73 
CW reception, noise reduction forW2ELV52Sep 73 
Frequency measurement of received signalsW4AAD38Oct 73 
Audio agc amplifierWA5SNZ32Dec 73 
Selectivity, receiver (letter)K4ZZV68Jan 74 
Attenuation pads, receiving (letter)K0HNQ69Jan 74 
Frequency standard, universalK4EEU40Feb 74 
Detector, reciprocatingAdded notes54Mar 74Issue Available
CW regenerator for interference-free communicationsLeward, Libenschek54Apr 74Issue Available
Frequency standard, universalShort circuit72May 74Issue Available
Communications receivers, design ideas forMoors12Jun 74 
Local-oscillator waveform effects on spurious mixer responsesRobinson, Smith44Jun 74 
Reciprocating-detector converterW1SNN58Sep 74 
Rf amplifiers for communications receiversMoors42Sep 74 
CW reception, enhancing through a simulated-stereo techniqueWA1MKP61Oct 74Issue Available
S-meters, solid-stateK6SDX20Mar 75Issue Available
Interference, hi-fi (HN)K6KA63Mar 75Issue Available
Rf amplifier, widebandWB4KSS58Apr 75Issue Available
Detector, reciprocatingAdded notes76May 75Issue Available
Interference, rf, its cause and cureG3LLL26Jun 75Issue Available
Audio filters, CW (letter)6Y5SR56Jun 75Issue Available
Filter alignmentW7UC61Aug 75Issue Available
Sensitivity, noise figure and dynamic rangeW1DTY8Oct 75Issue Available
Bfo multiplexer for a multimode detectorWA3YGJ52Oct 75Issue Available
Headphone cords (HN)W2OLU62Nov 75Issue Available
Mixer, crystalW2LTJ38Nov 75Issue Available
Diode detectorsW6GXN28Jan 76Issue Available
Monitor receiver modification (HN)W2CNQ72Feb 76Issue Available
Troubleshooting the dead receiverK4IPV56Jun 76Issue Available
Detectors, fm, survey ofW6GXN22Jun 76Issue Available
Vlf converter (HN)W3CPU69Jul 76 
WWV receiver, five-frequencyW6GXN36Jul 76 
I-f detector receiver moduleK6SDX34Aug 76Issue Available
Digital frequency displayWB2NYK26Sep 76Issue Available
Preamplifier, widebandW1AAZ60Oct 76Issue Available
Detector, single-signal phasing typeWB9CYY71Oct 76Issue Available
Audio filters for ssb and CW receptionK6SDX18Nov 76 
Crystal-filter design, practicalPY2PEC34Nov 76 
Resurrecting old receiversK4IPV52Dec 76Issue Available
Diode detectorsComments77Feb 77 
Bandspreading techniques for resonant circuitsAnderson, Leonard H.46Feb 77 
Rf amplifiers, isolating parallel currents inG3IPV40Feb 77 
I-f amplifier designDJ2LR10Mar 77Issue Available
Intermodulation distortion, reducing in high-frequency receiversWB4ZNV26Mar 77Issue Available
Audio, improved for receiversK7GCO74Apr 77Issue Available
I-f amplifier designShort circuit94May 77Issue Available
Signals, how many does a receiver see?DJ2LR58Jun 77 
Frequency-marker standard using cmosW4IYB44Aug 77 
Signals, how many does a receiver see?Comments101Sep 77 
Receiver spurious responseAnderson82Nov 77Issue Available
Noise effects in receiving systemsDJ2LR34Nov 77Issue Available
Noise blanker designK7CVT26Nov 77Issue Available
Double-balanced mixer, active, high-dynamic rangeDJ2LR90Nov 77Issue Available
Selectivity and gain control, improvedVE3GFN71Nov 77Issue Available
Receivers - some problems and curesWB0JGP, K8RAH10Dec 77 
Detector, single-signal phasing typeShort circuit68Dec 77 
Intermodulation distortion, reducing in high-frequency receiversShort circuit69Dec 77 
Bandspreading techniques for resonant circuitsShort circuit69Dec 77 
Bandspreading techniques for resonant circuits (letter)W0EJO6Aug 78 
Rf-agc amplifier, high-performanceWA1FRJ64Sep 78Issue Available
Direct-conversion receivers (HN)YU2HL100Sep 78Issue Available
Superhet tracking calculationsWA5SNZ30Oct 78 
Receivers - some problems and curesHam notebook94Oct 78 
Phase-locked 9-MHZ bfoW7GHM49Nov 78Issue Available
Digital vfo basicsEarnshaw18Nov 78Issue Available
Vacuum-tube receivers, updatingW6HPH62Dec 78Issue Available
Digital readout, universalWB8IFM34Dec 78Issue Available
Bandspreading techniques (letter)Anderson, Leonard H.6Jan 79Issue Available
Noise BlankerW5QJR54Feb 79Issue Available
Receivers - some problems and curesShort circuit94Feb 79Issue Available
Power-line noiseK4TWJ60Feb 79Issue Available
I-f transformers, problems and cures - WeekenderK4IPV56Mar 79Issue Available
Digital displayN3FG40Mar 79Issue Available
Digital displayComments6Jul 79Issue Available
Broadband jfet amplifiersN6DX12Nov 79Issue Available
Diversity receptionK4KJ48Nov 79Issue Available
Phaselocked up-converterW7GHM26Nov 79Issue Available
Wideband amplifier summaryDJ2LR34Nov 79Issue Available
Dynamic range, measuringWB6CTW56Nov 79Issue Available
Vacuum-tube receivers, updatingShort circuit73Dec 79Issue Available
Audio processor, communications, for receptionW6NRW71Jan 80Issue Available
Talking clock (letter)N9KV75Feb 80Issue Available
Detector, logarithmic with post-injection marker generatorW1ERW36Mar 80 
Auto-product detection of double-sidebandK4UD58Mar 80 
Noise figure relationships (HN)W6WX70Apr 80 
Talking digital readout (letter)N5AF6May 80Issue Available
Multiple receivers on one antenna (Two for one) (HN)W2OZY72Jun 80 
Communications receivers, calculating the cascade intercept point ofWA7TDB50Aug 80Issue Available
Receiver dynamic range (letter)AA6PZ7Aug 80Issue Available
Signal-strength, measuringW2YE20Aug 80Issue Available
Auto-product detection of double-sidebandLetter G3JIP6Oct 80Issue Available
Measuring receiver dynamic range: an addendum (HN)WB6CTW86Apr 81Issue Available
CW filter, high performanceW3NON18Apr 81Issue Available
CW filter, high performanceComments W3NQN6Nov 81Issue Available
Automatic repeater/receiver sensitivity (HN)VE7ABK81Jan 82Issue Available
Crystal ladder filters, systematic design ofN7WD40Feb 82Issue Available
Active mixers, performance capability: part 1DJ2LR30Mar 82Issue Available
Active mixers, performance capability: part 2DJ2LR38Apr 82Issue Available
Communications receiverK2BLA12Jul 82Issue Available
Low-noise preamplifiers with good impedance matchW1OOP36Nov 82Issue Available
Rotary dial and encoder for digital tuningN3CA30Dec 82Issue Available
Receiver dynamic rangeW3JZO77Dec 82Issue Available
Remote-site receivers and repeater operationK9EID36Jan 83 
LF converter, fixed-tunedK1RGO19Jan 83 
Bragg-cell receiverWB3JZO42Feb 83 
Panoramic adaptor spectrum analyzer design notesWA6NCX/126Feb 83 
Panoramic adaptor spectrum analyzer design notesComments, K2CBY12Sep 83Issue Available
Panoramic adaptor spectrum analyzer design notesShort circuit70Oct 83Issue Available
Spectrum analyzer, a handheld opticalWA4WDL23Apr 84Issue Available
VHF/UHF world: high dynamic range receiversW1JR97Nov 84 
Cascaded stages, IMD and intercept points ofW3IMG28Nov 84 
Preamp at work, Quiet!N6TX14Nov 84 
Noise discriminator, a pulsewidthW6NRW23Nov 84 
VHF/UHF world: high dynamic range receiversShort circuit103Jan 85 
Receiver input temperature (letter)WA6JTD13Apr 85Issue Available
High-stability BFO for receiver applicationsK1ZJH28Jun 85Issue Available
TS-930S headset audio, increased undistorted (HN)W6FR128Oct 85 
CB to 10-meter conversions, scannerW2FMY, KB2GA98Nov 85 
Compact 75-meter monoband transceiverK1BQT13Nov 85 
External product detector improves receiver performanceW6GB107Nov 85 
Receiver, 10 through 80-meter homebrewN1BFV40Nov 85 
Digital frequency readout using the Commodore 64W3NNL83Nov 85 
S-meter, a calibratedW7SX23Jan 86Issue Available
Compact 75-meter monoband transceiverShort circuit66Jan 86Issue Available
S-meter, a calibratedShort circuit45Apr 86Issue Available
Extending receive coverage for the IC-02 and IC-04WB6GTM77Jul 86Issue Available
Receiver tuning mechanism selectionPY2PE1C31Nov 86Issue Available
Noise, understanding and handlingDJ2LR10Nov 86Issue Available
Ten-Tec Argosy, UpgradeWB3JZO38Nov 86Issue Available
VHF/UHF world: broadband amplifiers in receiver designW1JR91Nov 86Issue Available
Ham radio techniques: "white noise" technology bites backW6SAI55Jan 87Issue Available
True frequency digital readout for the HW-101NU4F8Jan 87Issue Available
Ham radio techniques: "white noise" revisitedW6SAI79Oct 87 
Elmer's notebook: receiver buzzwordsW1SL100Nov 87Issue Available
VHF/UHF world: low noise receiver update - part1W1JR77Nov 87Issue Available
Frequency calibration using 60 kHz WWVBW4ZPS45Mar 88 
High dynamic range mixing with the Si8901KB6QJ11Mar 88 
Mixer frequencies, graphical selectionW2HVN41Jun 88 
True frequency digital readout for the HW-101Short circuit41Aug 88 
Two-Loop 10-Hz Step 40-70 MHz SynthesizerPY1LL & C Mathias24Jan 89 
Linear Tuning with a War Surplus CapacitorN2DCH40Jun 89Issue Available
Low-noise Design PrimerWB4EHS80Nov 89 
Famous Equipment of YesteryearK4KJ43Nov 89 
Optimizing the QF-1A Audio FilterVE7BS38Dec 89 

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Mouse-over the text 'Issue Available' for the approximate condition the issue is in.