Electronics Forum | Mon Sep 24 06:12:23 EDT 2012 | weyes
About my company Shenzhen flytop technology co.,ltd is a professional PCB and PCBA manufacturer in china. We have been manufacturing PCB and offer assembly services with component supplying for client around the world over 10 years. Now we have
Electronics Forum | Mon May 27 18:25:03 EDT 2002 | Carol Stirling
Thanks for the information Reworkman, We are leaning to the theory of better safe than sorry. I think I'd supply the bags and dessicant just to eliminate manufacturing issues. What temps & times do you ask your boardhouse to bake to? Ours said some
Electronics Forum | Fri Sep 13 13:26:34 EDT 2002 | dougt
If it's not blowing the fuse in the car then I guess it wasn't drawing a huge amount of current. Check the power wires going into the radio and look for something loose. My first guess is your loosing voltage across a bad connection somewhere and a
Electronics Forum | Mon Sep 16 12:56:56 EDT 2002 | dragonslayr
simon- davef is on the right track. 1st year electronics courses teaches us that you should always check the power supply first. In this case, the power supply in question is not your power source but the regulated power within the unit. I suspect o
Electronics Forum | Wed Apr 12 21:04:10 EDT 2000 | Dave F
Ashok: You still didn�t tell me why you want additional drying of your boards, but what the hey, we all have our dark secrets. Anywho, let�s consider some options for reducing the moisture of your cleaned boards: OPTION 1 - Up-Grading Your Cleaner
Electronics Forum | Wed Sep 19 10:34:44 EDT 2018 | sarason
Now I have to guess and make a few assumptions. Without looking at the back side of the board my guess is you have some 400-100V diode bridges before the resistor ,zener and the FET . The FET is a 500V 0.85 Rdson NFET. All of this suggests a chopper
Electronics Forum | Mon Nov 19 05:16:02 EST 2012 | ericrr
Thank you ENIAC for your comments Here is another problem (JUKI KE-750L) Which applies to 0603 (1608 metric) resistors and only resistors (mind you the board is more heavily populated with resistors) After the panel has gone through the oven, Wh
Electronics Forum | Mon Dec 18 10:49:20 EST 2000 | marys
When reading about the design of high performance cicuits I have recently encountered references to bromine free circuit boards. What are bromine free circuit boards? When would one find them most useful and who supplies such boards?
Electronics Forum | Mon Jul 08 22:03:39 EDT 2019 | eddy2019
Many beginners do not know how to start learning hardware circuits. In fact, the "hardware circuit" is composed of a part of the "unit module circuit". The so-called "unit module circuit" includes: various regulated power supply circuits (like the LM
Electronics Forum | Sat May 03 13:56:12 EDT 2014 | jyo_409
We are using TL431 in our most of the power supply circuits. Recently the power supply board is returning from the field due to TL431 component problem. Could you people, please suggest me what are the possible reasons for TL431 failure & trouble sho
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