Surface-mount circuitry of the PCBs does not require a hole for each component lead. Automated testing, however, may require vias on every node. The holes were never an issue with through-hole circuit...
PCBWay
Nov 20,2013
577 views
The older technology for op amps and other components is through-hole. Components are constructed with leads that insert through holes in the board hence the name. Through-hole components, due to th...
PCBWay
Nov 20,2013
668 views
For example, if the capacitance formula is applied to the following trace: 4 Layer board signal routing next to ground planeBoard layer thickness: 0.188 mmTrace Width: 0.75 mmTrace Length: 7.5 mm A ...
PCBWay
Nov 20,2013
9232 views
Reflections and matching are closely related to loop antenna theory, but different enough to warrant their own discussion. When a PCB trace turns a corner at a 90 angle, a reflection can occur. This i...
PCBWay
Nov 20,2013
905 views
There has been a lot of confusion in the past over what is the optimum order for PCB layers. Take, for example, a 4-layer board consisting of two signal layers, a power plane, and a ground plane. Is i...
PCBWay
Nov 20,2013
629 views
Double-sided boards, in spite of their benefits, are not the best method of construction, especially for sensitive or high-speed designs. The most common board thickness is 1.5 mm. This separation is ...
PCBWay
Nov 20,2013
589 views
Very simple consumer electronics are sometimes fabricated on single-sided PCBs, keep-ing the raw board material inexpensive (FRC1 or FRC2) with thin copper cladding. These designs frequently include m...
PCBWay
Nov 20,2013
667 views
PC Board materials are available in various grades, as defined by the National Electrical Manufacturers Association (NEMA). It would be very convenient for designers if this organization was closely a...
PCBWay
Nov 20,2013
557 views
Normal design cycles, particularly of large digital boards, dictate layout of the PCB as soon as possible. The digital circuitry has been simulated, but in most cases, the produc-tion PCB itself is th...
PCBWay
Nov 20,2013
544 views
Op amp circuitry is analog circuitry, and is very different from digital circuitry. It must be partitioned in its own section of the board, using special layout techniques. Pinted circuit board effec...
PCBWay
Nov 20,2013
555 views
A digital logic circuit consists of a collection of interconnected parts. Most parts are integrated circuits, but in practical designs there are usually a number of passive components and connectors. ...
PCBWay
Nov 20,2013
592 views
Even though printed circuit board routing is a venerable problem in computer-aided design, fully automatic routing of densely packed boards remains an elusive goal. In current industry practice, a pro...
PCBWay
Nov 20,2013
569 views
A printed-circuit board is like a multilayer sandwich of routing layers. In general, the current PCB technology offers as many as 30 or more routing layers. Referring to Figure 1, the PGA package and ...
PCBWay
Nov 20,2013
732 views
With the viewpoint of electronics system design automation, a system design is usually divided into different levels of design processes. The effect of interconnect interface occurs when integrating d...
PCBWay
Nov 20,2013
683 views
Newark's element14, the first collaborative community and electronics store for design engineers and electronics enthusiasts, today announced a partnership with PCB Assembly Express to provide its qui...
PCBWay
Nov 20,2013
889 views
"PCBs" redirects here. For printed circuit boards, see printed circuit board. PCB warning label on a power transformer known to contain PCBs. Chemical structure of PCBs. The possible positions of ...
PCBWay
Nov 20,2013
845 views
EPA provides various paths for the public to access information about PCBs. On this web site you will learn about PCBs as they are managed under the Toxic Substances Control Act (TSCA) and the PCB reg...
PCBWay
Nov 20,2013
724 views
PCB is an interactive printed circuit board editor for Unix, Linux, Windows, and Mac systems. PCB includes a rats nest feature and schematic/netlist import, design rule checking, and can provide indus...
PCBWay
Nov 20,2013
1532 views
Technology is advancing at a rather rapid pace. When we talked about the machinery, equipments or anything else, they all have improved their levels and standards for years. One of the good examples i...
PCBWay
Nov 20,2013
1506 views
Recycling printed circuit boards can save you money on components if you are an electronics enthusiast, and it is good for the environment. The circuit boards have chemicals in them that should be kep...
PCBWay
Nov 18,2013
1610 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
