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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.

xx   DIODE

Bargain zener classifier. Simple circuit to check the zener voltage of each diode.
AUDIO AMATEUR 3/1981 [Jun 1981] (v.12#3) pg. 27

Measured RFI differences between rectifier diodes in simple capacitor-input power supplies. Includes a simple RFI test setup to measure rectifier diodes under a realistic load without introducing other variables.
AUDIO AMATEUR 1/1994 [Mar 1994] (v.25#1) pg. 26
Added Info AUDIO AMATEUR 3/1994 [Sep 1994] (v.25#3) pg. 46
Added Info AUDIO AMATEUR 4/1994 [Dec 1994] (v.25#4) pg. 47

Circuit for a diode tester which checks diodes under load. Est. cost: under $10.
CQ. THE RADIO AMATEUR'S JOURNAL Jan 1979 (v.35#1) pg. 99

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

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

Testing diodes with a VOM.
ELECTRONICS WORLD Jan 1966 (v.75#1) pg. 95

Semiconductor test set. Easy-to-use test set measures leakage, current, and transistor beta. Will also test diodes and silicon controlled rectifiers (SCR).
ELECTRONICS WORLD Nov 1967 (v.78#5) pg. 74
Correction ELECTRONICS WORLD Feb 1968 (v.79#2) pg. 17

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

Zener zapper, an instrument to allow you to determine the Zener voltage and knee characteristics of any Zener diode with a Zener voltage of less than 20 volts. In addition, it will spot inexpensive transistors that can be substituted for expensive Zeners.
ELEMENTARY ELECTRONICS Sep-Oct 1974 (v.14#5) pg. 51

Crystal tester can also be used to test lamps, switches, diodes, LEDs, cables, capacitors, printed circuit traces, connectors, etc. Uses only a few componants.
ELEMENTARY ELECTRONICS May-Jun 1977 (v.17#3) pg. 75

LED-indicating tester will test for normal, open or shorted diodes. Est. cost: $5.
ELEMENTARY ELECTRONICS Sep-Oct 1977 (v.17#5) pg. 91

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

SCR tester. Make SCR testing a snap with this simple, easy-to-build, and easy-to-use tester. Use it to test Triacs, LEDs, and diodes too.
HANDS-ON ELECTRONICS Dec 1988 (v.5#12) pg. 60
Added Info POPULAR ELECTRONICS [2] Mar 1989 (v.6#3) pg. 4

Continuity tester uses a 555 timer IC. Use to test continuity, test small cells and batteries, check diodes, and measure resistance.
INDUSTRIAL EDUCATION Apr 1980 (v.69#4) pg. 50

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

Circuit to test diodes under load to determine if they are good. Est. cost: $10.
MODERN ELECTRONICS [1] Feb 1978 (v.1#1) pg. 48

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

Optical isolator. Part 2. Construction details for building an inexpensive and versatile tester that can be used in conjunction with a dual-channel oscilloscope and a digital multimeter to test all types of optical isolators. Can also be used to test low-voltage zener diodes and 9-volt batteries.
MODERN ELECTRONICS [2] Dec 1986 (v.3#12) pg. 42

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

Tester circuit for determining condition of diodes.
POPULAR ELECTRONICS [1] Jan 1964 (v.20#1) pg. 71

Two simple diode testers. One uses colored lamps, the second uses an oscilloscope.
POPULAR ELECTRONICS [1] Aug 1965 (v.23#2) pg. 88

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

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

Dynamic diode tester. Use with an oscilloscope to identify diodes and other types of semiconductors.
POPULAR ELECTRONICS [1] Jul 1970 (v.33#1) pg. 53

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

Versatile semiconductor junction tester also tests diodes. Shows open, shorted or cathode end of a diode.
POPULAR ELECTRONICS [1] Feb 1973 (v.3#2) pg. 34
Correction POPULAR ELECTRONICS [1] May 1973 (v.3#5) pg. 8

Circuit to determine voltage rating of unmarked Zener diodes.
POPULAR ELECTRONICS [1] Jul 1974 (v.6#1) pg. 24

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

Circuit to test the breakdown voltage of unmarked zener diodes.
POPULAR ELECTRONICS [1] Jul 1975 (v.8#1) pg. 77

Automatic diode checker. Diode is tested in the forward-bias condition for excessive voltage drop and then in reverse condition for excessive leakage current. Est. cost: $20.
POPULAR ELECTRONICS [1] Jun 1976 (v.9#6) pg. 57

One-touch diode tester. Identifies good or bad diodes and tells which end is the anode or cathode.
POPULAR ELECTRONICS [1] Jul 1977 (v.12#1) pg. 75

Circuit to determine the PIV (peak inverse voltage) of a diode without destroying it.
POPULAR ELECTRONICS [1] Dec 1978 (v.14#6) pg. 83

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

Test circuit will distinguish a germanium from a silicon diode.
POPULAR ELECTRONICS [1] Sep 1981 (v.19#9) pg. 83

Circuit for testing conventional diodes on an oscilloscope.
POPULAR ELECTRONICS [1] Jan 1982 (v.20#1) pg. 76

Diode matching circuit is used to select matched silicon signal diodes for use in a balanced modulator project. Three different matching circuit schematics are shown.
POPULAR ELECTRONICS [2] Feb 1990 (v.7#2) pg. 86

Diode-tester circuit uses simple components.
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 94

Circuit for identifying unmarked Zener diodes or testing the voltage specification of suspect units.
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 76

Versatile circuit can be used to test Zener diodes or act as a stand-alone power supply.
POPULAR ELECTRONICS [2] Mar 1993 (v.10#3) pg. 73

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

Simple circuit to determine the voltage value for unknown Zener diodes.
POPULAR ELECTRONICS [2] Apr 1998 (v.15#4) pg. 54

Diode checker tests for shorted diodes.
POPULAR MECHANICS Jul 1968 (v.130#1) pg. 168

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

Capacitor leakage tester. Also use it to test cables, appliance insulation, and high-voltage diodes. The project is basically a regulated DC power supply with a metering circuit to indicate leakage current.
RADIO-ELECTRONICS May 1986 (v.57#5) pg. 51, 75
Correction RADIO-ELECTRONICS Sep 1986 (v.57#9) pg. 22

How to measure the Zener voltage of an unknown diode.
RADIO-ELECTRONICS Nov 1986 (v.57#11) pg. 23

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 3. Diodes and their characteristics.
RADIO-ELECTRONICS Apr 1987 (v.58#4) pg. 62
Correction RADIO-ELECTRONICS Aug 1987 (v.58#8) pg. 14
Correction RADIO-ELECTRONICS Nov 1987 (v.58#11) pg. 10

Dynamic diode curve tracer tells the exact characteristics of an unmarked or suspected defective diode. Est. cost: $25.
RADIO-TV EXPERIMENTER #814 Dec 1966-Jan 1967 (v.21#3) pg. 59