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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.


Build a simple video switch. A logic-controlled device to switch video to a video display at appropriate times within a computer-aided instruction system.
BYTE Mar 1981 (v.6#3) pg. 234

Remote A/B switch is triggered by infrared signal. Use to switch coaxial cables among video devices.

Video/audio switcher. Add this baseband-signal switcher to your home-entertainment center and preserve the audio/video clarity lost to modulation/demodulation schemes.

Build a video switcher. Watch several cameras on one monitor with this simple device. Each camera's display appears at a regular interval (adjustable from 1 second to 20 seconds). A single camera can also be selected for continuous display. Est. cost: $70 (kit).
ELECTRONICS NOW Sep 1997 (v.68#9) pg. 38

Video Switch. Whenever you turn on a video accessory (game, computer, videodisc, ...), this automatic switch disconnects the TV antenna and hooks up your accessory to the monitor. Est. cost: $25.
HANDS-ON ELECTRONICS Jul-Aug 1986 (v.3#4) pg. 78
Added Info HANDS-ON ELECTRONICS Dec 1986 (v.3#7) pg. 4
Added Info HANDS-ON ELECTRONICS Mar 1987 (v.4#3) pg. 4

Audio, video additions. Tips on selecting and installing a switch box to provide additional jacks and equipment combinations for your audio/video system.
HOME MECHANIX #744 Apr 1990 (v.86) pg. 22

Cut video cable clutter. Advice on selecting and using an audio/video selector, video selector, or video processor switch box.
HOME MECHANIX #756 Jun 1991 (v.87) pg. 22

Dual video amplifier. Allows you to use two VCR's with one TV receiver/monitor and dub from one VCR to the other (using direct audio and video inputs) without swapping cables or flipping switches. Est. cost: $25.
MODERN ELECTRONICS [2] Aug 1986 (v.3#8) pg. 36
Correction MODERN ELECTRONICS [2] Oct 1986 (v.3#10) pg. 5

Automatic videogame switch. Automatically connects your TV set to the videogame whenever the game's power switch is turned on. Otherwise, the TV is connected to the antenna. Est. cost: $10.
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 35

Video/audio switcher. Build this baseband-signal switcher to preserve the clarity lost to modulation/demodulation schemes. Provides 75-ohm buffered, video-input/output ports, stereo-compatible buffered I/O's, and tape-monitoring capabilities.
POPULAR ELECTRONICS [2] Dec 1989 (v.6#12) pg. 29

A/B switch circuit for a video camera.
POPULAR ELECTRONICS [2] Mar 1990 (v.7#3) pg. 28

Select-A-Matic RF (radio frequency) switcher. Eight input signals (such as video signals from antenna, cable, computer, VCR's, videogames, etc.) can be easily directed to four output ports by means of pushbuttons.
RADIO-ELECTRONICS Jan 1985 (v.56#1) pg. 41

Audio/video switcher. Eliminate the mess and confusion of wires that lurk behind your audio and video equipment with this easy to build 4x1 switcher.
RADIO-ELECTRONICS Feb 1988 (v.59#2) pg. 65, 71
Correction RADIO-ELECTRONICS Apr 1988 (v.59#4) pg. 14

Circuit for a video control center which lets you select one of eight video inputs and route it to a driver amplifier that can directly drive a 75-ohm cable. Circuit uses the new MAX455 IC.
RADIO-ELECTRONICS Mar 1988 (v.59#3) pg. 78

Remote A/B switch. Use an infrared remote control to switch cables between your VCR, TV, and outdoor antenna.
RADIO-ELECTRONICS Oct 1989 (v.60#10) pg. 37, 71, 90
Added Info RADIO-ELECTRONICS Jan 1990 (v.61#1) pg. 16

Video scene switcher. Make smooth transitions between scenes when editing two video inputs into one. Generates various fades, wipes and video effects. Part 1.
RADIO-ELECTRONICS Nov 1989 (v.60#11) pg. 33

Video scene switcher. Part 2.
RADIO-ELECTRONICS Dec 1989 (v.60#12) pg. 42, 80

Triple audiovisual switcher circuit uses one IC to simultaneously select video and two-channel stereo audio from any one of three sources and then route them to one of two selected outputs.
RADIO-ELECTRONICS Dec 1990 (v.61#12) pg. 72