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There are 16498 individual articles here that are part of 4439 discussions
Please see below the list of the most recent and the best rated articles in Electronics Equipment

The most recent discussions

Schematic search for Casio keyboard

November 2, 2016, 4:23 am

I am searching for a schematic for a Casio CT-360. I want to do a bit of a hack to see if I could get some sort of a CV and/or trigger signal out of it for use on a modular synth. Does anyone know... Read more »

Eicocraft Watizit!

October 10, 2016, 11:18 pm

I have in my collection of electronics, dating back quite a few decades, a device that I can not find any info or can even figure out what it is. It's a small aluminum box with a Eicocraft label o... Read more »

AT Voltmeter

October 7, 2016, 4:25 am

I picked this gizmo up at the local junque shoppe. Pics on a.b.s.e. It appears to be an r.f. tuned cavity. Any info or comments? -- Paul Hovnanian mailto:Paul@Hovnanian.com ----------------... Read more »

LM566 alternative.

August 19, 2016, 2:38 am

I have benn trying to find a decent alternative to the LM566 VCO. It does not seem to be sold anymore at reputable sellers and the ones on EBay (from China) I don't trust to be authentic or unrecyc... Read more »

Switching Power Supply question

July 27, 2016, 5:14 pm

Just recieved a Mean Well quad output power supply. After powering it up and testing output I get drastic flucuations on all outputs, a ticking sound and the green indicator light flashing. I have ... Read more »

Loose micro USB cables

  [ 2 ]
July 5, 2016, 2:16 am

A new cable works wonderfully. For maybe 6 weeks. Then when I use the Samsung phone while charging... Beep-boop, beep-boop?, charge indicator on, off, on, off. Over and over. Replace cable, all ... Read more »

FET voltmeter sought

March 12, 2016, 3:53 pm

Suppose a fellow wished to buy a high input impedence voltmeter rather accurate for low voltages (< 10v, say) but not expensive. Any recommendations? Read more »

Who invented the class D amplifier, and when?

February 27, 2016, 11:16 pm

Who invented the class D amplifier, and when? Read more »

WILTRON ANRITSU 68XXX synthesyzers

January 23, 2016, 1:50 pm

Hello, I am looking for the schematics of the serial interface T1678 between the wiltron 68XXX synthesizer and a PC in hyper terminal mode. Thank you Read more »

UPS Upgrade

January 19, 2016, 12:48 am

I need to fixup a 1500VA USP to run longer. This is a pseudo sine wave unit. First I plan to derate it by 50% so I will draw no more that ~700VA. Remove the existing internal batteries and set asi... Read more »

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The best rated discussions


Oscilloscope recommendation for automotive usage?

I have been using a USB scope but realise just how little I know about scopes and feel the need to back track and get some basic general info before committing to a costly purchase of a bench type sc... Read more »


Want To Buy IC 54S188J

I need following ICs for a repair/maintenance contract. IC P/N 54S188J or P/N 54S188J/883B Any one having New/Unused ICs, please E-Mail offer to; robert@ivaroop.com Indicate date code. I am lookin... Read more »


Used Test equipment for sale

I have the following two test equipment for sale: * 100MHZ Tektronic Osciiloscope model 465B with probe + DOC asking $200 shipped... It is still in excellent working order. * Digital Multimeter... Read more »