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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.


Audio servicing and the amateur. Part 3. Transistor testing.
AUDIO AMATEUR 1/1982 [Jan 1982] (v.13#1) pg. 48
Added Info AUDIO AMATEUR 4/1982 [Oct 1982] (v.13#4) pg. 40

Circuit for measuring beta directly in order to find a matched set of NPN and PNP transistors.
AUDIO AMATEUR 2/1982 [May 1982] (v.13#2) pg. 37

Tips on testing Hitachi power MOSFETs.
AUDIO AMATEUR 3/1985 [Jul 1985] (v.16#3) pg. 55

A simple curve tracer. Used for checking transistor characteristics (hFE value, input values, temperature dependence, etc.). Part 1.
AUDIO AMATEUR 4/1990 [Oct 1990] (v.21#4) pg. 8

A simple curve tracer. Part 2. Setup procedure and use.
AUDIO AMATEUR 1/1991 [Feb 1991] (v.22#1) pg. 24

R.F. power transistors and amplifiers. Part 2. Test setup for servicing power transistors and RF amplifiers.
CQ. THE RADIO AMATEUR'S JOURNAL Apr 1979 (v.35#4) pg. 56

Build a wide range combination crystal and transistor tester. Will test most common transistors and fundamental mode crystals from 100 kHz to at least 20 MHz.
CQ. THE RADIO AMATEUR'S JOURNAL Oct 1979 (v.35#10) pg. 63

12 steps in transistor replacement. Part 1. A two-part course in transistor troubleshooting and replacement.
CQ. THE RADIO AMATEUR'S JOURNAL Jan 1980 (v.36#1) pg. 32

12 steps in transistor replacement. Part 2.
CQ. THE RADIO AMATEUR'S JOURNAL Mar 1980 (v.36#3) pg. 27

Knowing how the Hickok Model 216 "automated" transistor tester works may help in designing your own tester.
CQ. THE RADIO AMATEUR'S JOURNAL Jan 1981 (v.37#1) pg. 21

Build a quick and easy curve tracer to test components. Used in connection with an oscilloscope to check diodes, thyristors, transistors, resistors, capacitors, etc.
CQ. THE RADIO AMATEUR'S JOURNAL Jul 1997 (v.53#7) pg. 9
Correction CQ. THE RADIO AMATEUR'S JOURNAL Sep 1997 (v.53#9) pg. 8

Correct use of voltmeter on transistors and diodes.
ELECTRONICS ILLUSTRATED Sep 1964 (v.7#5) pg. 74

A $2 transistor tester.
ELECTRONICS ILLUSTRATED Nov 1964 (v.7#6) pg. 47

Transistor checker for PNP or NPN. Est. cost: $2.
ELECTRONICS ILLUSTRATED Mar 1969 (v.12#2) pg. 72

A transconductance bridge to test field-effect transistors.
ELECTRONICS ILLUSTRATED Jul 1969 (v.12#4) pg. 83

Low-cost transistor tester can measure DC again and leakage current. Tests all bipolar silicon and germanium devices. Simple polarity detection and a high degree of accuracy.
ELECTRONICS ILLUSTRATED Nov 1972 (v.15#6) pg. 77

Quick-test component tester. Use it to find bad components (capacitors, resistors, diodes, transistors, SCR's, and other bipolar junction devices) either in-circuit or out-of-circuit. Used in conjunction with an oscilloscope.
ELECTRONICS NOW Oct 1997 (v.68#10) pg. 53
Correction ELECTRONICS NOW Dec 1997 (v.68#12) pg. 24

Q-Sort. Device to test and sort bipolar-junction transistors (BJTs). Est. cost: $20.
ELECTRONICS NOW Feb 1999 (v.70#2) pg. 36
Correction ELECTRONICS NOW May 1999 (v.70#5) pg. 25

Versatile transistor tester is battery powered. Checks gain, leakage, and breakdown voltage of small-signal and power transistors.
ELECTRONICS WORLD Aug 1967 (v.78#2) pg. 56

Transistor curve tracer. An instrument which produces on a scope a definitive family of characteristic curves that can be measured and interpreted to derive principal parameters for most transistors. Est. cost: $50.
ELECTRONICS WORLD Jan 1968 (v.79#1) pg. 55

Transistor curve tracer will show the characteristics of junction and field-effect transistors on an oscilloscope.
ELECTRONICS WORLD Mar 1968 (v.79#3) pg. 53

Troubleshooting FET circuits.
ELECTRONICS WORLD Dec 1968 (v.80#6) pg. 38

Portable, multi-range transistor checker. Measures beta on 2 ranges at 2 different collector power levels. Also checks for opens, shorts and leakage of transistors and diodes. Est. cost: $20.
ELECTRONICS WORLD Apr 1970 (v.83#4) pg. 82

Oscilloscope adapter permits displaying the characteristic curves of any transistor or FET.
ELECTRONICS WORLD Aug 1971 (v.86#2) pg. 52

Transistor testers determine type (NPN or PNP), open, leakage, beta (DC current drain), and applications (power or voltage).
ELEMENTARY ELECTRONICS Sep-Oct 1969 (v.9#1) pg. 59

Use a multimeter as a transistor/diode tester by properly interpreting the meter readings.
ELEMENTARY ELECTRONICS Jul-Aug 1970 (v.10#3) pg. 63

Digital diode tester indicates the anode or cathode of an unknown diode and also tells you if a transistor is NPN or PNP. It will detect bad transistors and diodes. Est. cost: $20.
ELEMENTARY ELECTRONICS Jul-Aug 1974 (v.14#4) pg. 57

Transistor tester can indicate type of transistor defects, material and polarity of unknown transistors, gain (beta) measurements, and leakage test.
ELEMENTARY ELECTRONICS May-Jun 1976 (v.16#3) pg. 54

LED-indicating tester will identify leads and test many transistors for opens and shorts. Est. cost: $5.
ELEMENTARY ELECTRONICS Sep-Oct 1977 (v.17#5) pg. 91

Transistor tester works both in and out of circuit. Also determines transistor type, either NPN or PNP. Est. cost: $1.
HANDS-ON ELECTRONICS Nov-Dec 1985 (v.2#6) pg. 63

PN junction tester is used with a VOM for checking PN junctions of diodes or transistors in or out of circuit.
HANDS-ON ELECTRONICS Sep-Oct 1986 (v.3#5) pg. 58

The semiconductor tester you already own. How to use a VOM to test diodes and transistors.
HANDS-ON ELECTRONICS Feb 1987 (v.4#2) pg. 61

Low-power semiconductor tester checks two- and three-legged solid-state devices, plus SCR's. Modification for testing higher-powered transistors, SCR's, and diodes is also shown.
HANDS-ON ELECTRONICS Jun 1987 (v.4#6) pg. 91

Transistor Tester is so uncomplicated that it could be permanently mounted to a PC or perfboard.
HANDS-ON ELECTRONICS Mar 1988 (v.5#3) pg. 96

Simple go/no-go transistor checker circuit.
HANDS-ON ELECTRONICS Aug 1988 (v.5#8) pg. 94

Circuit to test the condition of LEDs, diodes, and bipolar transistors (both power transistors as well as low power types).
INDUSTRIAL EDUCATION Nov 1982 (v.71#8) pg. 30

Build a CoCo testlab. How to use a Radio Shack Color Computer to test ICs, transistors, diodes, and capacitors. Testlab is a hardware/software system. It consists of a build-it-yourself plug-in board and BASIC programs. No need to modify the actual computer. Instructions for using a Commodore 64 computer are also included. Part 1. Fabricating the printed-circuit board.
MODERN ELECTRONICS [2] Feb 1986 (v.3#2) pg. 16
Correction MODERN ELECTRONICS [2] Apr 1986 (v.3#4) pg. 4

Build a CoCo testlab. How to use a Radio Shack Color Computer to test ICs, transistors, diodes, and capacitors. Part 2. How to use the testlab. Includes listing of the IC Tester program and Capacitance Meter program, both written in BASIC.
MODERN ELECTRONICS [2] Mar 1986 (v.3#3) pg. 48
Correction MODERN ELECTRONICS [2] Aug 1986 (v.3#8) pg. 5

An in-circuit component tester. Simple oscilloscope accessory speeds up in-circuit testing of resistors, capacitors, inductors, and transistor and diode junctions.
MODERN ELECTRONICS [2] Apr 1987 (v.4#4) pg. 30

A tester for transistors, diodes, and SCRs.
MODERN ELECTRONICS [2] Dec 1987 (v.4#12) pg. 42

An in-circuit transistor tester. A low-cost bench/portable instrument for testing bipolar transistors in- and out-of-circuit. Est. cost: $20.
MODERN ELECTRONICS [2] Mar 1988 (v.5#3) pg. 54

Variable-load box and power-transistor tester. Lets you check the regulation and set current limits of your DC power supply. Also checks the operating condition of npn and pnp bipolar power transistors.
MODERN ELECTRONICS [2] Jun 1990 (v.7#6) pg. 40

Circuit to check low-power transistor DC gain.
POPULAR ELECTRONICS [1] Feb 1964 (v.20#2) pg. 82

Transistor checker circuit used to determine beta values at various portions of the response curve.
POPULAR ELECTRONICS [1] Feb 1965 (v.22#2) pg. 98

Breakdown reverse voltage transistor and diode tester. Nondestructive "one-shot" oscilloscope technique to reveal several characteristics at once.
POPULAR ELECTRONICS [1] May 1967 (v.26#5) pg. 67
Correction POPULAR ELECTRONICS [1] Aug 1967 (v.27#2) pg. 104

NGW transistor tester. This unit will check almost any transistor (or semiconductor diode) for interelement shorts, opens, and leakage. It will test transistors for gain and tell if the transistor is npn or pnp, and whether it is silicon or germanium. Est. cost: $10.
POPULAR ELECTRONICS [1] Dec 1967 (v.27#6) pg. 57

Test transistors with an adapter for vacuum tube voltmeter. Est. cost: $6.
POPULAR ELECTRONICS [1] Jul 1968 (v.29#1) pg. 55

Circuit for a simple transistor tester. Est. cost: $1.
POPULAR ELECTRONICS [1] Sep 1968 (v.29#3) pg. 80

Circuit for a transistor tester which is basically a modified Hartley oscillator.
POPULAR ELECTRONICS [1] Sep 1968 (v.29#3) pg. 87

How to test for damage to metal oxide semiconductor field-effect transistors (MOSFET).
POPULAR ELECTRONICS [1] Nov 1968 (v.29#5) pg. 58

Semiconductor test set can be used with any type of diode or transistor to tell if it is working. Polarity and excessive current problems are avoided.
POPULAR ELECTRONICS [1] Jan 1969 (v.30#1) pg. 82

Simple transistor sorter tells the application categories (audio, IF, HF, etc.) of unmarked transistors. Used with a grid-dip oscillator.
POPULAR ELECTRONICS [1] May 1969 (v.30#5) pg. 61

Tester for unijunction transistors measures resistance ratio and the interbase modulated current.
POPULAR ELECTRONICS [1] Jun 1969 (v.30#6) pg. 33

Semiconductor breakdown tester. Will check all diodes and transistors up to 300 volts (except MOS field-effect transistors). Used in conjunction with a voltmeter.
POPULAR ELECTRONICS [1] Dec 1969 (v.31#6) pg. 47

Non-destructive tester will check NPN or PNP transistors and diodes.
POPULAR ELECTRONICS [1] Mar 1971 (v.34#3) pg. 47
Correction POPULAR ELECTRONICS [1] May 1971 (v.34#5) pg. 10

Transistor junction tester. Bulb lights to indicate type (NPN or PNP) and also indicates if unit is shorted or good.
POPULAR ELECTRONICS [1] Feb 1973 (v.3#2) pg. 34
Correction POPULAR ELECTRONICS [1] May 1973 (v.3#5) pg. 8

Simple audio generator circuit can also be used as a code-practice oscillator or audio transistor tester by substitution.
POPULAR ELECTRONICS [1] Jan 1974 (v.5#1) pg. 67

Transistor Osci-Tester tests junctions, audio-frequency oscillation, radio-frequency oscillation, shows if it is NPN or PNP, and whether silicon or germanium.
POPULAR ELECTRONICS [1] Mar 1974 (v.5#3) pg. 64

Semiconductor junction tester checks bipolar transistors or diodes either in or out of the circuit. Displays results on oscilloscope. Est. cost: $12.
POPULAR ELECTRONICS [1] Jul 1974 (v.6#1) pg. 58

R-F transistor tester checks the upper frequency limit of bipolar transistor.
POPULAR ELECTRONICS [1] Aug 1974 (v.6#2) pg. 58

Simple circuit will check programmable unijunction transistors.
POPULAR ELECTRONICS [1] Oct 1974 (v.6#4) pg. 37

Simple test circuit to determine the beta of NPN transistors.
POPULAR ELECTRONICS [1] Oct 1974 (v.6#4) pg. 101

Build the transistor identometer. Identifies leads on unknown transistors, indicates PNP or NPN polarity, and shows up bad devices.
POPULAR ELECTRONICS [1] Jan 1975 (v.7#1) pg. 69

Circuit for a tester to determine the polarities and junction conditions of unmarked transistors.
POPULAR ELECTRONICS [1] Mar 1975 (v.7#3) pg. 81

Build a low-cost transistor tester. It tests small-signal, high-power, or phototransistors, SCR's, FET's and conventional diodes.
POPULAR ELECTRONICS [1] Mar 1979 (v.15#3) pg. 67

Build an in-circuit transistor tester. Est. cost: $10.
POPULAR ELECTRONICS [1] Jul 1979 (v.16#1) pg. 54
Correction POPULAR ELECTRONICS [1] Sep 1979 (v.16#3) pg. 6
Correction POPULAR ELECTRONICS [1] Oct 1979 (v.16#4) pg. 8

Simple circuit is used to separate npn from pnp transistors.
POPULAR ELECTRONICS [1] Nov 1981 (v.19#11) pg. 81

Simple checker circuit identifies a transistor as NPN or PNP.
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 23

Audible transistor checker circuit determines between PNP or NPN and good/bad status.
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 25

Transistor tester circuit provides an indication of transistor current gain.
POPULAR ELECTRONICS [2] Jul 1989 (v.6#7) pg. 27

Transistor tester circuit gives a visual indication as to the fitness of the unit under test and identifies the type (PNP or NPN).
POPULAR ELECTRONICS [2] Aug 1989 (v.6#8) pg. 24

Transistor checker. A 0-1 volt DC voltmeter circuit is used to measure transistor-junction or bias voltages.
POPULAR ELECTRONICS [2] May 1992 (v.9#5) pg. 75

Circuit for testing JFET's (junction field-effect transistors).
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 76,
Added Info POPULAR ELECTRONICS [2] Jan 1997 (v.14#1) pg. 60

Circuit for (1) matching diode pairs and (2) matching transistor pairs is used in conjunction with a DVM.
POPULAR ELECTRONICS [2] Oct 1994 (v.11#10) pg. 84

Precision current source is used to test LED's, laser diodes, Zener diodes, and bipolar transistors.
POPULAR ELECTRONICS [2] May 1995 (v.12#5) pg. 31

Component tester circuit checks diodes, bipolar transistors, and SCR's, and tests for continuity.
POPULAR ELECTRONICS [2] Aug 1995 (v.12#8) pg. 30

Junk box checker for transistors in T092 packages.
POPULAR ELECTRONICS [2] Jul 1996 (v.13#7) pg. 66, 65

Component checker circuit works by lighting corresponding LEDs. Works on both PNP and NPN transistors.
POPULAR ELECTRONICS [2] May 1997 (v.14#5) pg. 68

Semiconductor tester. Build this curve-tracer adapter for an oscilloscope that allows you to measure both the static and dynamic characteristics of semiconductor transistors under simulated operating conditions.
POPULAR ELECTRONICS [2] May 1999 (v.16#5) pg. 31
Correction POPULAR ELECTRONICS [2] Jul 1999 (v.16#7) pg. 16
Added Info POPULAR ELECTRONICS [2] Sep 1999 (v.16#9) pg. 16

Simple checker for semiconductors. Detects opens and shorts in diodes and transistors, determines PNP and NPN polarity, tests for leakage and checks the triggering of SCR's.
POPULAR MECHANICS May 1969 (v.131#5) pg. 146

Transistor tester exposes bad transistors and tells the characteristics. Can use a built-in or auxiliary DC milliameter.
POPULAR MECHANICS Mar 1974 (v.141#3) pg. 125

How to test transistors in your TV and other electronic equipment. Requires a basic knowledge of transistor theory and some simple test equipment.
POPULAR MECHANICS Mar 1977 (v.147#3) pg. 39

Tip: How to test a transistor with an ohmmeter.
POPULAR MECHANICS Oct 1983 (v.160#4) pg. 45

Transistor checker will check all junction transistors. Lights tell whether or not transistor is okay. Battery powered.
POPULAR SCIENCE Dec 1967 (v.191#6) pg. 96

How to troubleshoot amplifiers made in Japan which use transistors, but do not have voltage information printed on the schematics. Includes a chart for determining voltage drop across the emitter resistor.
RADIO-ELECTRONICS Feb 1978 (v.49#2) pg. 68

How to locate leaky transistors in TV circuits.
RADIO-ELECTRONICS May 1981 (v.52#5) pg. 86

Testing bipolar transistors.
RADIO-ELECTRONICS Apr 1984 (v.55#4) pg. 96

Selecting a suitable replacement for an unknown transistor in a TV receiver.
RADIO-ELECTRONICS Aug 1986 (v.57#8) pg. 75

Testing semiconductors. Part 1. Learn the importance of diode and bipolar-transistor parameters, and how to test them.
RADIO-ELECTRONICS Feb 1987 (v.58#2) pg. 58

Testing semiconductors. Part 2. Field effect transistors (unipolar transistor).
RADIO-ELECTRONICS Mar 1987 (v.58#3) pg. 71

Testing semiconductors. Part 5. A discussion of a transistor's AC parameters.
RADIO-ELECTRONICS Jun 1987 (v.58#6) pg. 61

Photoelectric transistor checker never needs batteries and eliminates expensive power supply components. Est. cost: $7.
RADIO-TV EXPERIMENTER #772 Feb-Mar 1966 (v.20#1) pg. 53

Dual-trace transistor characteristic curve tracer allows you to simultaneously view (on an oscilloscope) two characteristics of a transistor being checked. Either pnp or npn transistors can be checked.
RADIO-TV EXPERIMENTER Feb-Mar 1968 (v.24#1) pg. 75

Transistor tester locates shorts, leaky or open transistors, tells if it's a PNP or NPN and gives the beta reading.
SCIENCE & ELECTRONICS [1] Apr-May 1970 (v.28#2) pg. 51