Electronic Components

Driving optocouplers

http://pdf.datasheetcatalog.com/datasheet/vishay/83725.pdf The output transistor of the 4N25 optocoupler is spec?d at m...

12 comments posted 11yrs

posted by not

12 comments posted 11yrs posted by not

Parts for Tek 405 modules

I recently got a Tektronix TM405 with a FG502 function generator, DM502 volt meter, DC503 Universal counter, and a PS50...

2 comments posted 11yrs

posted by jjhudak

2 comments posted 11yrs posted by jjhudak

Wehrle

Wehrle is the name on some ISO socketed time delay relays. The trouble is: Wehrle seems to be German for "Smith"... I h...

3 comments posted 11yrs

posted by wb8foz

3 comments posted 11yrs posted by wb8foz

DIN rails and diodes

I am building an industrial sensor system for warehouse and need to isolate some inputs using blocking diodes (simple r...

6 comments posted 11yrs

posted by not

6 comments posted 11yrs posted by not

TI-30 70 S2 mystery temperature sensor

Found in a yoghurt maker whose heating element never turns off : http://www.teaser.fr/~amajorel/ee/f/ti3070s2.jpg Black...

3 comments posted 11yrs

posted by cheney

3 comments posted 11yrs posted by cheney

docs for Allegro's stepper driver A6628SEDT

It is in PLCC-44 package and inside Epson D88 elcheapo inkjet that I need to modify. It drives smallish 2-phase stepper...

0 comments posted 11yrs

posted by brane212

0 comments posted 11yrs posted by brane212

Bonding machine

Hi the Group, Are there on this group some users/owners of a MECH-EL wedge bonding machine (series 700 / 800 / 900 or 1...

0 comments posted 11yrs

posted by pfmonet

0 comments posted 11yrs posted by pfmonet

looking for 5.2v reg in dpak

LF52CDT or LF52ABDT from SGS would do. Only need a few - where?

3 comments posted 11yrs

posted by me

3 comments posted 11yrs posted by me

AD SSM 2000: Documentation Eval Board?

Attention: fup2! Dear experts, A "few" years ago Analog Devices launched SSM 2000 "Hush", a noise reduction IC. Togethe...

3 comments posted 11yrs

posted by reinhard.zwirner

3 comments posted 11yrs posted by reinhard.zwirner

House coded; Arizona Microchip component.

A laptop battery pack that I rescued from a supermarket recycling tub had a Microchip branded SOIC8 chip with the marki...

0 comments posted 11yrs

posted by gangprobing.alien

0 comments posted 11yrs posted by gangprobing.alien

How to calbrate a DC voltage?

I have a FET and a load and a micro outputting PWM. I want to convert the PWM to DC (low-pass filtered?) which will con...

16 comments posted 11yrs

posted by not

16 comments posted 11yrs posted by not

Re: What kind of spectrogram is this, anyway... ?

I didn't think we were supposed to send images on this group. Gary Eickmeier > > See attachment. > > That is a beautifu...

9 comments posted 11yrs

posted by geickmei

9 comments posted 11yrs posted by geickmei

WANTED: Rockwell R65F11

I'm looking for a couple of Rockwell's R6500 based embedded FORTH processors. I need at least 1 but if I could find (and...

0 comments posted 11yrs

posted by dereks314

0 comments posted 11yrs posted by dereks314

From Speech Recognition to Speaker Recognition?

Please see this thread in the CMU Sphinx forum: https://sourceforge.net/p/cmusphinx/discussion/speech-recognition/thread...

7 comments posted 11yrs

posted by ramon

7 comments posted 11yrs posted by ramon

Is it possible to determine whether a phone call is local or long distance by analyzing the audio?

I am sure the answer is "it depends", so the better question is: To what extent is this possible? The calls in question...

29 comments posted 11yrs

posted by ramon

29 comments posted 11yrs posted by ramon