General Electronics

PWM controlled current sink for LED backlight.

Hello, I have a monitor with a LED backlight that uses PWM to directly switch on/off the LEDs to vary the brightness. I...

12 comments posted 17yrs

posted by sean.peters

12 comments posted 17yrs posted by sean.peters

HDTV: 60 Hz versus 120Hz

Trying to compare a Sony XBR6 37 inch 60HZ TV to a Samsung A630 40 inch 120 HZ TV. I am going to use the TV for watchin...

2 comments posted 17yrs

posted by andygupta2007

2 comments posted 17yrs posted by andygupta2007

Mystery - New NAD Amp Sucks Power from Line Inputs When Turned Off

Here's a mystery for you ... Stereo Hi-Fi setup ... preamp, main amp, self-powered subwoofs. Two line-level output jack...

0 comments posted 17yrs

posted by bw

0 comments posted 17yrs posted by bw

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1 comments posted 17yrs

posted by gabrielaelvin

1 comments posted 17yrs posted by gabrielaelvin

Need replacements for CL905HL , CL905HN , CDS cell

Hello Anyone know any modern replacements numbers for CL905HL and CL905HN , they are CDS photoresistors. I did try with...

6 comments posted 17yrs

posted by ba221

6 comments posted 17yrs posted by ba221

'Television Magazine' Servicing Article Wanted For Panasonic Z8 chassis in Jan 2003 issue

Hi All Can anyone supply me with the servicing article that appeared in January 2003 issue of Television Magazine page...

2 comments posted 17yrs

posted by

2 comments posted 17yrs posted by

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0 comments posted 17yrs

posted by wer58

0 comments posted 17yrs posted by wer58

How do I measure signals in the GHz range?

Hello, I've got a storage oscilloscope here with a bandwith of 6 GHz. Unfortunately only the default probes with 500 MH...

14 comments posted 17yrs

posted by jiffylube

14 comments posted 17yrs posted by jiffylube

looking for audio (compression) project

Hi folks, I am looking for a challanging topic for an audio project in my university lab. MP3 and AAC encoder implement...

7 comments posted 17yrs

posted by ikeepthespiritalive

7 comments posted 17yrs posted by ikeepthespiritalive

vesa tolerances

I'm wondering if it's available (free or paying for it) a full electrical specification of VESA standards with toleranc...

1 comments posted 17yrs

posted by filippo2991

1 comments posted 17yrs posted by filippo2991

ba1404 clock signal , help

Hi guys. I build a FM transmitter based on the ba1404 chip. The problem arises because this chip need a 38Khz crystal f...

5 comments posted 17yrs

posted by gulanito

5 comments posted 17yrs posted by gulanito

Laptop power adaptor using battery bay and connector?

I have a few laptops which have a broken power connector. It is virtually impossible to repair them. I'm sure I saw som...

18 comments posted 17yrs

posted by none

18 comments posted 17yrs posted by none

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0 comments posted 17yrs

posted by gabrielaelvin

0 comments posted 17yrs posted by gabrielaelvin

Radio Electronics, February 1986

Hello Everybody. I'm looking for an article published in Radio Electronics, February 1986, starting on page 16 about a...

0 comments posted 17yrs

posted by telefrancisco

0 comments posted 17yrs posted by telefrancisco

cable connector wire question

Hello, I've been having a hard time locating this and was wondering if anyone knew where I might find one.... I need a...

3 comments posted 17yrs

posted by panfilero

3 comments posted 17yrs posted by panfilero