Electronics Forum: /02 (Page 251 of 1283)

power supply

Electronics Forum | Wed Feb 07 08:41:10 EST 2001 | dliechti

I have to design a power supply which converts 220V AC into 5V smothed DC. It has to be very small, so it shouldn't have a big transformer. Has somebody a scheme of a circuit? Thanks

FBGA Stencil Apertures

Electronics Forum | Wed Feb 07 21:43:30 EST 2001 | davef

Look at rpereira on http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=479&#Message5058&

solder balls

Electronics Forum | Thu Feb 08 11:06:36 EST 2001 | pr

You oven guys are SOOOO sensitive! I must agree though, the oven profile made nowhere near the difference that the Homeplate did, in our place.

ADC interface to parallel port

Electronics Forum | Wed Feb 07 17:23:07 EST 2001 | chan_tharma

Hi all, I want to design a circuit which would convert analog signal to digital signal(0-5V)and send it to a parallel port then display the value on the PC screen. If anyone have any idea let me know...... Thanx Tharma

Shelf Life Control

Electronics Forum | Thu Feb 08 11:16:01 EST 2001 | kmorris

Nope -- we don't shelf life control roll solder here. Just threw that on the list as a possible. I don't think it would be necessary.

Shelf Life Control

Electronics Forum | Thu Feb 08 11:39:51 EST 2001 | slthomas

Any adhesive tape, or stuff that uses it in packaging, like radial and axial parts. Ever try to get 5 year old 1/2 watt resistors to hold still in an axial sequencer dispense head? Yeesh.

Shelf Life Control

Electronics Forum | Tue Feb 13 17:01:43 EST 2001 | larryk

We got dinged in a ISO 9000 audit for not having shelf life on locktite threadlock at my previous employer. Larry

Transparent Circuit Boards

Electronics Forum | Fri Feb 09 11:21:19 EST 2001 | paulburt

Does anyone know of a company that manufactures a PCB out of a transparent material? I'm looking for something around 2 or perhaps 3 layers, the idea being that you can see all the internal tracks.

ITM articles

Electronics Forum | Fri Feb 09 14:54:20 EST 2001 | jkost

I'm having trouble accessing the ITM articles at http://www.itm-smt.com/articles I've tried registering three times. Is there another site that has these? Someone mentioned that there was a work around to the login & password, but I'm unaware of i

PCB Handling Carts

Electronics Forum | Fri Feb 09 15:46:19 EST 2001 | pk11

I am looking into purchasing handling and transferring carts/magazines for PCBs... Can anyone recommend places for me to find these? Websites perhaps?


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