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Introduce some interesting creative appliances
Release on2018-03-15This is a head-mounted fan that looks like a headset. At first glance, this fan is no different from an earmuff-type headset, but it has an air outlet...Read More
Surprise! The old household appliances have these hazards
Release on2018-03-07In life, you may be more concerned about the shelf life of the food. But there's a shelf life for home appliances, do you know? The safe use of TV for...Read More
Why is the Shenzhen lead time science and technology company limited to support and love both at hom
Release on2017-11-30Shenzhen Cheng Shi Technology Co., Ltd. is a High quality PCB manufacturer, located in the 9 building of Jinxian Hotel, the water diameter of Longgang...Read More
How to place RF circuit and digital circuit on a PCB?
Release on2017-11-09Monolithic RF devices greatly facilitate the field of wireless communications within a certain range of applications, the use of suitable microcontrol...Read More
Why is humidity the most destructive to PCB circuits?
Release on2017-11-08Three proof paint is a kind of special coating, used to protect the circuit board and its related equipment from the erosion of the environment. Three...Read More
On the pcb design in the "simulation"
Release on2017-11-07What is simulation? Simulation, that is, the use of project models to be specific to a specific level of uncertainty into their impact on the target, ...Read More
Very practical high-frequency PCB circuit design problems
Release on2017-11-06A circuit by a few pcb board composition, they should be a total of land? A circuit consists of several PCBs, mostly requiring a total of ground, beca...Read More
Do you know in the pcb design encountered these problems to be resolved?
Release on2017-11-03In the chip when the choice also need to consider the chip itself esd problem? Whether it is double or multi-layer board, should be as much as possibl...Read More
pcb design you may encounter three kinds of problems
Release on2017-11-021, in a 12-layer PCb board, there are three power supply layer 2.2v, 3.3v, 5v, the three power for each layer, how to deal with ground? In general, t...Read More
Several questions about Mentor in pcb design
Release on2017-11-01What is Mentor's product structure? Mentor Graphics PCB tools are WG (original veribest) series and Enterprise (boardstation) series. Printed circuit...Read More
Some questions and answers to the RF section
Release on2017-10-31Outdoor unit radio frequency part, the frequency part, and even the outdoor unit to monitor the low-frequency part of the circuit is often used in the...Read More
PCB process details
Release on2017-10-27Open material purpose: Will be large pieces of sheet metal cutting into a variety of requirements of small pieces of sheet metal. Printed Circuit Boar...Read More
Some of the problems in the design of pcb
Release on2017-10-26Security issues: FCC, EMC What is the specific meaning? FCC: public communication commission EMC: electro megnetic compatibility FCC is a standard org...Read More
Two Frequently Asked Questions about pcb Design
Release on2017-10-25Can I use the IBIS model of the device to simulate the logic of the device? If not, then how to carry out circuit board and system level simulation? T...Read More
Some questions about termination
Release on2017-10-20What are the modes of termination? Termination (terminal), also known as matching. In general, according to the matching location, the active terminal...Read More
Very practical high frequency PCB circuit design 3 questions
Release on2017-10-19Are there any other good tools besides the Protel tool wiring? As for the tool, in addition to PROTEL, there are many routing tools such as MENTOR, WG...Read More
There are some practical questions in the PCB design, you know?
Release on2017-10-18How do you reduce the EMI problem by arranging stacks? First of all, EMI to consider from the system, PCB alone can not solve the problem. In the case...Read More
Very practical PCB design problems
Release on2017-10-1727M, SDRAM clock line (80M-90M), the two or three harmonic of these clock lines just in the VHF band, from the receiver after high-frequency access, t...Read More
PCB's signal board problem
Release on2017-10-16For all digital signal PCB, there is a 80MHz clock source on the board. In addition to the use of wire mesh (grounding), in order to ensure sufficient...Read More
Interpretation of the meanings of each layer of the PCB board
Release on2017-10-13Topoverlay -- the top-level device name, also known as top silkscreen or top component legend, such as R1 C5. IC10.bottomoverlay---- in multilayer----...Read More