Search Results: 6220 Threads,622 Pages
0 answers
102 views

Capacitor Function

In the circuit, capacitors is to cut off the DC through alternating current, and it is commonly used in inter-stage coupling, filtering, decoupling, bypass and signal tuning. A. Filter capacitor is... (See More)

Sergio Vasconcelos
2017-05-20 15:08:46
1 answers
197 views

Soldermask and pcb

Our contract manufacturing agency have procured pcbs from approved vendor. After assembly we found solder mask separated from the PCB on the epoxy area as patches. The top side is intact. also o... (See More)

andrewr
2017-05-20 14:25:02
VICENTE
2017-05-20 14:53:19
1 answers
101 views

Advice for SMT

Hi, I have been assigned to purchase a SMT assembly line for electronic ballasts used in compact energy saving lamps. I have the circuit and list of components, but know nothing about SMT. Could anybo... (See More)

avonchia
2017-05-20 10:11:14
Leo Korbee
2017-05-20 11:28:26
0 answers
444 views

About plug hole process

First, plug hole process after hot air leveling. This process is: plate resistance welding → HAL → plug hole → curing Disadvantages: Easy to cause plug hole ink pollute board. So ma... (See More)

Laszlo Toth
2017-05-19 17:06:24
0 answers
85 views

Printed circuit board,is more than PCB

Guitar Picks pretty strips and colors Instrument Inlays Books Wired Long Arm Warmers (See More)

Laszlo Toth
2017-05-19 16:16:27
0 answers
89 views

How to do PCB wiring?

1.Before wiring, the first thing is to classify the lines. The main classification method is based on the power level and each group is divided by every 30dB power level. 2.Different classificat... (See More)

Bruno Vicente
2017-05-19 15:50:05
4 answers
166 views

solder thief

I am looking for some design guidelines (length, width, spacing) for solder thieves which are placed behind trailing pins of wave soldered SOICs. I'd appreciate it if some one could direct me to the a... (See More)

andrea
2017-05-18 15:48:38
Waelson Negreiros
2017-02-28 15:48:38
0 answers
190 views

Advice on PCB Layout

1.The clock circuit and the high frequency circuit are the main sources of interference and radiation, and must be arranged separately from the sensitive circuit. 2.Note the waveform distortion du... (See More)

Markus Schmitz
2017-05-18 13:04:11
0 answers
84 views

Designing the multilayer PCB

1.When designing the multilayer printed circuit board, the power plane should be close to the ground plane and placed under the ground plane. 2.When designing multilayer PCBs, the wiring layer s... (See More)

Alex Alfonso
2017-05-18 11:53:08
4 answers
199 views

SMT links

Anyone have any good links about electronics manufacturing process such as Through holeTechnology or SMT? (See More)

jarmoblo
2017-05-18 11:36:20
Ralph Hartwell
2017-02-28 15:36:20
Search Results: 6220 Threads,622 Pages