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Circuit Design: This is a very big concept, from the voltage intensity can be divided into strong electric circuit design and Weak Current Circuit Design; from the design tool can be di
time base circuit: The gate signal, the lock signal and the reset signal.
Figure 8 simulation results of the control module
5. Digital Frequency Operation Process
1. Open the quartuⅱ software, create a wizard, and select cycloneiiep2c35f672c8 as the device. Create a VHDL File, and create four modules: cnt10, lat4, decoder, and control.
2. Compile VHDLC
Design of constant current source circuitRecently due to job needs and personal interests, want to learn the constant current source of circuit design, and make a reliable constant current source.Search from the Internet a bit of information, found that not too much, only a few links have reference value, here want to summarize.First select a few of the original
013 Chengdu high frequency circuit and system technology seminar complete topics announcement covering microwave circuit,Radar System,High-Frequency Communication System
Chengdu, June 6, 2013-microwave RF network (www.mwrf.net), an industry portal focusing on microwave, RF, and wireless technologies) the 2013 Chengdu high frequency circuit and system technology
1) MCU reset pin circuit design, general use of RC mode, please calculate the basis of RC selection value;2) The current circuit board design for 5V to 3.3V mode, Chip asm117-3.3, trouble to give the current circuit board power supply formula advantages and disadvantages, po
Industrial EditionSeismic Data Processing GEDCO. Vista. Seismic. Processing. v9.00DNS sesam suite 2013Including DNV sesam genie, hydrod, and deepcEba ets 3 v3.0f (Bus Control System Engineering Software)Leica cyclone v7.3.2 1cd Leica 3D laser scanningOptical software: Apollo photonic Solutions Suite 2.2Mimics 10.01 Famous medical Finite Element Simulation3d3s Steel Structure computing softwareTannertools v
,// Route B to p1.7// Move to the following hc595{P1_4 = 0; // lower the p1.4 port,// Generates the shift pulse shclk
If (A Au)> 0) // false serial port p1.6, output 16 rows// Display dataP1_6 = 1;ElseP1_6 = 0;
If (B Au)> 0) // false serial port p1.7, output the next 16 lines// Display data BP1_7 = 1;ElseP1_7 = 0;
P1_4 = 1; // set the p1.4 port to a high value to generate a shift// Pulse shclkAu = au J ++;}J = 0;Au = 0x01;
Z ++;}K = 0;Z = 0;}P1 = (P1 0xf0) | I; // use p1.0 ~ P1.3 generates 4
with the serial communication Protocol, and the received data is completely correct. After the simulation test, the program is downloaded to the FPGA chip to run, the results of communication data is correct, the circuit is stable and reliable.Figure 5 Transmit and receive module emulation4 concluding remarksThe UART communication function is realized by FPGA , which can realize the receiving and transmitt
designed for professionals to help customers design, construct, analyze, and manage network structures, devices, and applications. OPNET products mainly target three types of customers and are divided into four series. Three types of customers refer to network service providers, network equipment manufacturers, and general enterprises.
The core products of the Four series include: 1. serviceproviderguru: intelligent network management
molecular structure package)Materials Explorer v4.0 Ultra 1CD (Material modeling visual analysis tool. Can be used to build a graphical model of molecules, crystalline materials, polymers, surfaces and catalysts) Hydraulic and pneumatic device design analysis software: LMS International Products:AMESim v7.0 1CDAMESim Chinese Introductory Training Hydraulic Design
-time performance. Therefore, the topology structure and communication protocol of the physical bus are particularly critical.
2 Interface DesignGood interface design should ensure good anti-interference, stability and scalability of the system on the hardware. This system selects a half-duplex interface chip sn65hvd3082 with high cost performance. It has the following features:① Meet or exceed the requirements of TIA/EIA-485A standards;② Low static c
The following mainly through the use of NPN transistor switching circuit design, PNP transistor switching circuit similar to NPN.First, the transistor switch circuit design feasibility and necessity
Feasibility: The person who used the transistor is clear, transistor has a c
connected to the DDR2 bank and its IO supply voltage should be 1.8V
As mentioned above, the DDR2 IO level flavor 1.8V, so the FPGA corresponding to the bank's IO supply voltage page should be 1.8v,ac6102, DDR2 and FPGA BANK3 and BANK4 connection, so the FPGA chip corresponding IO The Bank power supply is set to 1.8V, as shown in:
Through this section, we understand the FPGA connection DDR2 chip circuit principle and considerations, we can a
Online Design System for Ship Circuit Diagram Based on java web and. net activex plug-in and visio, activexvisio
1. Main objectives of the system: 1. Online circuit diagram design and circuit equipment selection; 2. online processing of Engineering Computing involved in
World-leading 3DCS variation Analyst 7.3.3.0 for NX 9.0-10.0 tolerance analysis softwareCd-adapco star-cd 4.26.011 windows and Linux 64-bit industry leading internal combustion engine (ICE) simulation software3DCS Variation Analyst Multicad 7.3.2.0 Win64 1DVD3DCS Variation Analyst for NX 7.3.3 allows users to evaluate design and assembly concepts prior to the beginning of the product life cycle to find out
Empire xccel v6.00 1cd Electromagnetic Field Simulation Software Imst is an independent R D Company and service provider with Rich engineering experience in mobile wireless technology and microelectronics technology. From the very early 1992 sImst is also aiming at the innovative EDA industry and is committed to developing advanced electromagnetic design tools.
In a digital system, a clock pulse of multiple frequencies is often required as the driving source, which requires the frequency of the FPGA's system clock (too high) to be divided. The frequency divider is divided into odd frequency, even frequency, half-integer and fractional, in the FPGA system where the clock is not very strict, the frequency divider is usually realized by the counter loop. Even divide: Assuming n-frequency, by the clock to be divided by the counter count, when the counter f
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