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.

Logic-gate circuit built with discrete transistors is used to switch 12-volt light bulbs.
ELECTRONICS NOW Apr 1993 (v.64#4) pg. 8

Tips on designing transistor switching circuits.
ELECTRONICS NOW Dec 1995 (v.66#12) pg. 9
Added Info ELECTRONICS NOW Apr 1996 (v.67#4) pg. 10

Latching-switch circuit uses a flop-flop IC. Can be used to replace a mechanical relay latch circuit.
ELECTRONICS NOW Mar 1996 (v.67#3) pg. 8

Push-on, push-off pushbutton triggers an electronic circuit that can switch 5-to-15 volts DC.
ELECTRONICS NOW Apr 1998 (v.69#4) pg. 6
Added Info ELECTRONICS NOW Jan 1999 (v.70#1) pg. 4, 5, 6

Circuit simulates the action of a multi-position interlocking pushbutton switch (i.e. pressing any button momentarily will turn on one output and turn off all the others).
ELECTRONICS NOW Sep 1998 (v.69#9) pg. 7

Simple on/off digital switch circuit incorporates a pushbutton and LED.
POPULAR ELECTRONICS [2] Nov 1990 (v.7#11) pg. 24

Switch debouncer for a digital circuit is built around a 74LS73 JK flip-flop. It also provides a 100 ms pulse.
POPULAR ELECTRONICS [2] Jan 1991 (v.8#1) pg. 23

Various switching circuits. (1) Optoisolator/coupler used to isolate the input signal from the output control device. (2) Oscillator-triggered switch. (3) Dual-control switch uses two AC sources to trigger the circuit on and off. (4) Audio-controlled switch.
POPULAR ELECTRONICS [2] Jun 1993 (v.10#6) pg. 70

Simple, versatile bounceless switch made from an opto-isolator.
POPULAR ELECTRONICS [2] Apr 1994 (v.11#4) pg. 27

Switching RF, IF, and audio frequencies using PIN diodes. Includes several circuits.
POPULAR ELECTRONICS [2] Dec 1994 (v.11#12) pg. 40
Correction POPULAR ELECTRONICS [2] Mar 1995 (v.12#3) pg. 4

Latching circuit that can be used as an on/off switch with a memory.
POPULAR ELECTRONICS [2] Mar 1997 (v.14#3) pg. 74

Solid-state switch circuits built around the SCR and the triac.
POPULAR ELECTRONICS [2] Jan 1998 (v.15#1) pg. 56

Debouncing alternate output switch circuit uses a 4049 hex-inverting buffer IC.
POPULAR ELECTRONICS [2] Feb 1998 (v.15#2) pg. 67

Eight simple and useful electronic keying circuits (used to turn on, or off, associated circuits).
POPULAR ELECTRONICS [2] Jun 1998 (v.15#6) pg. 59

AC power control. Using triacs as a line-operated AC power switch, logic-controlled AC power switch, and phase-controlled dimmer switch.
RADIO-ELECTRONICS Jul 1990 (v.61#7) pg. 63

A half monostable multivibrator is the foundation of a switch-debouncer circuit.
RADIO-ELECTRONICS Apr 1991 (v.62#4) pg. 78

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