Latest threads in General Electronicsshow only best voted threads
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OLD TV REPAIR TOOLS-permapower huebrite picture tube brightener- 6-page tv set service tips tube replacement book-sylvania techs handheld color viewer tool-vintage repair shop cleanout-$10
VINTAGE COLOR TV REPAIR STORE ITEMS PERMA-POWER HUE-BRITE COLOR TUBE BRIGHTENER MODEL C-511, NEW OLD STOCK- NOS- WITH ORIGINAL RECEIPT DATED 1976 SYLVANIA TECHNICIANS' HAND HELD COLOR VIEWER TOOL-...
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16 years ago
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IC / Circuit type help for project
Does anyone have any idea if there is an IC out there that can do what I'm trying to do, or a way to do it relatively easily? Right now, I have a project where it interfaces with the parallel port,...
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16 years ago
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Akai EA-M830 Manual
Akai EA-M830 Manual Does anybody know where I can get a free operating manual for an Akai EA-M830 Sound processor please? PDF format would be fine. I am out of work and not earning, which is why I...
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16 years ago
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vacuum tube -> semiconductor
I'm interested in being able to do the following: (1) Choose a vacuum tube at random from the RCA Receiving Tube Manual. (2) Based on its characteristics, figure out a semiconductor device with the...
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16 years ago
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UPDATE
Free full length videos
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16 years ago
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Current Regulator
I have a motor home which has the main battery for the engine and an auxiliary battery to supply the lighting etc in the living area. With the ignition off a relay switches the auxiliary battery to...
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16 years ago
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Old cables w/new sub-panel?
New sub-panel about to go in. Most of the circuits (they're all 2-wire) use 50-year-old cloth-and-rubber covered "romex" which is brittle, now. Is there any exception in the NEC that allows the use of...
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16 years ago
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techkriti08
Hello Friends, IIT Kanpur is organizing its Annual International Science and Technology Festival TECHKRITI'08 from 14th-17th Feb amongst the largest technical festivals in asia. for details and...
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16 years ago
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UK.TV field strength circuits and/or PC software?
Are there any home-brew designs for measurement of field/signal strength to check TV channels, please? I have an old set that might be opened up for tuning if that is possible. We have had some rather...
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16 years ago
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Emergent properties and AMD's Phenom CPUs?
Hi all. I've been doing some research into AI, and have found some interesting stuff. Seems that most if not all new CPUs are now so complex and optimised that hundreds of "rip up/retry" cycles are...
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16 years ago
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Sizing Neutrals for Switching Power Supply Loads -Guy Macon
You are incorrect. The above is only true in the special case where the loads have current waveforms that cancel, such as resistive loads, matched inductive loads, or power-factor-corrected power...
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16 years ago
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zener diode
I have what I believe is a zener diode. One end is red and the other end is blue. What kind of zener diode is this and which end is which? -- Ignorantly, Allan Adler * Disclaimer: I am a guest and...
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16 years ago
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Grounded neutral in an old sub-panel
The existing (old) sub-panel is fed by 2 phases and an uninsulated neutral conductor. There is no ground bus, return conductor to the service entrance, nor connection to a ground rod. The conductors...
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16 years ago
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bios problem
how poor i'm,my notebook can't operate with win xp after i wrongly update my notebook presario bios from f25 to f12
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16 years ago
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Induction
Hi All, I have an idea for a project based upon induction/wireless power transmittion. Basically, a mains voltage supplying power to a coil, and another coil to pick up the power. The load is to be a...
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16 years ago
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