Electronic Components

Mouse IRLEDs.

A very old optical mouse I took apart had one water clear IRLED and one with a near cyan tint. Does anyone know the sign...

3 comments posted 17yrs

posted by gangprobing.alien

3 comments posted 17yrs posted by gangprobing.alien

Lithium E2 battery problem

I have been using Energizer Lithium E2 AAA cells to power microwatt telemetry transmitters for a couple of years. These...

2 comments posted 17yrs

posted by jbasi

2 comments posted 17yrs posted by jbasi

Working of processor loadable down counter

Hi all, i am verifying the 16-bit pulse counter which interfaced with processor. I want to know the working of down cou...

0 comments posted 17yrs

posted by sreenivas.jyothi

0 comments posted 17yrs posted by sreenivas.jyothi

Steps for Counter measurement

Hi all, Could anyone give me the steps to verify the requirement given below The count_pulses_for_period_pc0 is a regis...

0 comments posted 17yrs

posted by sreenivas.jyothi

0 comments posted 17yrs posted by sreenivas.jyothi

magnetron power specs?

The back of the oven gives microwave(non grill) input and output power-so which one you pick magnetron by in catalogues...

0 comments posted 17yrs

posted by tehit1

0 comments posted 17yrs posted by tehit1

looking for Noritake CU40046SCPB-T20A Datashett

Hi, I'm looking for a detailed datasheet of the Noritake 4x40 Chars. VFD Type CU40046SCPB-T20A. I found only that poor o...

1 comments posted 17yrs

posted by newsgroups

1 comments posted 17yrs posted by newsgroups

Correct term & pinout of this dual pot with inline pins?

I wanted to look up the pinout for the five in-line pins of this pot. http://bayimg.com/pApfNaAbD.jpg I couldn't get th...

6 comments posted 17yrs

posted by no-not.avail

6 comments posted 17yrs posted by no-not.avail

looking for NEC D1703 PLL chip

Hello Everyone, I am looking for a NEC D1703 or UPC1703 chip. It is am AM/FM PLL chip, used in the '80s in stereo tuners...

0 comments posted 17yrs

posted by orbanp1

0 comments posted 17yrs posted by orbanp1

Battery power

How much power does a 140 AH battery consume (in watts) when it is charging?

30 comments posted 17yrs

posted by tori

30 comments posted 17yrs posted by tori

Help identify a component

I'm trying to repair an optical encoder from a machine and have trouble identifying a component. It's two leads, surfac...

2 comments posted 17yrs

posted by wrjames.nospam.invalid

2 comments posted 17yrs posted by wrjames.nospam.invalid

Any small GPS receiver with built-in data logging?

There are lots of small GPS receivers in the $40 to $80 price range, but are there any that have some built-in memory (...

9 comments posted 17yrs

posted by GPS

9 comments posted 17yrs posted by GPS

Part No R57 and R59 in SOT-223 packages

Dear Group, I have 2 components with markings as follows: 1. ON R57 P2F 2. ON R59 P1F The ON was in a circle and I gues...

5 comments posted 17yrs

posted by allenbsf6502

5 comments posted 17yrs posted by allenbsf6502

LCD controller with vertical font drawing?

Hello I'm searching for a suitable graphical monochromatic LCD module that can be verticaly mounted. For example, I can...

0 comments posted 17yrs

posted by sorry.no

0 comments posted 17yrs posted by sorry.no

RF noise: lm386 vs lm741

I apologize if this topic is outside the limits of the group; I would be very receptive and appreciative of any suggesti...

4 comments posted 17yrs

posted by sgonedes

4 comments posted 17yrs posted by sgonedes

panasonic/matsushita EFR-RCB40K54 ultrasonic datasheet

Hello, I have a pile of panasonic/matsushita ultrasonic transducers. Part number EFR-RCB40K54. Probably a 40 kHz transd...

1 comments posted 17yrs

posted by spam

1 comments posted 17yrs posted by spam