业界观察

winworm

Sigrity还有一个OptimizePI的模块，也很有特色，这个目前在业界是唯一的。Siwave一直在模仿SpeedXp，但从未超越。

winworm

Agilent将在下半年发布EMPro 2010，继CST之后也开始支持GPU加速，主要增强FEM引擎，缩小与HFSS之间的差距，会进一步增强ADS+EMPro2010的高速通道仿真设计链，一旦这个真正好用，那么Ansoft Designer/Nexxim SI+HFSS，尤其是Designer/Nexxim SI就杯具了。

New Capabilities in EMPro 2010:
Faster Simulation

    * Native GPU Acceleration (FDTD)
    * Reuse of Mesh and Frequency Points (FEM)
    * Advanced Meshing Control Options (FEM)
    * New Symmetry Boundary Conditions (FEM)

Enhanced Accuracy

    * Internal Sheet Ports with Reduced Parasitics (FEM)
    * Debye-Drude and Lorentz Material Definitions (FEM)

Improved Design Efficiency

    * New Bondwire Object
    * ODB++ File Import
    * Option to discard field data (FEM)
    * Several UI Enhancements (Boolean multiple objects, geometry transform shortcuts, etc)

winworm

回复 152# winworm

花了2天时间，终于做成了一个silist十年的离线版本：

winworm

回复 153# winworm

Empro 2010正式发布，想不到agilent这次的动作这么快：


目前发现的不足之处：
（1）FEM引擎不支持多核CPU，只能单线程，FDTD引擎虽然支持多核，但没有把多核效用最大化，需要进一步完善
（2）仿真后处理功能欠缺。很奇怪只能输出citi格式文件，不能直接输出s参数文件，通过ads link倒是可以。

建模上没有细用，待摸索。

winworm

回复 154# winworm

Mentor不久将发布Hyperlynx 8.1，这是一个非常值得期待的版本，主要更新如下：

jerryaaa

非常受益，感谢版主的答疑解惑！！！
以前只是听软件公司销售的单方面介绍，也不知孰优孰劣，多谢指教。

hnzzlyg

KAN YI KAN ,真是个好东西，可以学些学习，。。。。。。。。。。。。。。。。。。。。。。。 ，，，，，，，，

winworm

回复 157# hnzzlyg

一个PCB相关的计算器，推荐给大家,包括特征阻抗计算、过孔导线温升载流计算等，温升的计算采用最近的IPC2152标准。

Program includes:

PCB Via Current Calculator per IPC-2152
Calculates the current a via needs to raise its temperature over ambient per IPC-2152.
Other via properties include:
Via capacitance
Via inductance
Via impedance
Via step response
Via DC resistance
Via impedance
Via resonant frequency

PCB Trace Width Calculator & PCB Trace Resistance Calculator per IPC-2152
Calculates the current a conductor needs to raise its temperature over ambient
per IPC-2152. Now also calculates DC resistance with temperature compensation.
Other conductor properties include:
Conductor skin depth
Conductor voltage drop
Conductor DC resistance
Conductor power dissipation

Bandwidth Calculator & Max PCB Trace Length Calculator
Calculates the bandwidth of a digital signal and maximum trace length, using the IPC-2251 method or the
frequency domain method, for transmission line effects.
Wavelength calculator for given frequency.

Differential Pair Impedance Calculator
Calculates the differential pair impedance of a balanced line.

PCB Padstack Calculator
Calculates the outer and inner layer diameters of a padstack given the drill size.
BGA land calculator based on the IPC-7351A specification.

Mechanical Data
Calculates wire diameter for a given AWG gauge.
Drill chart with imperial and metric diameters.
Imperial screw thread size chart.

Minimum PCB Conductor Spacing Chart
Calculates minimum conductor spacing's using peak AC or DC voltage based on IPC-2221A data.

PCB conductor Impedances
Calculates impedance of a PCB Microstrip or PCB Stripline.
Inductance of a microstrip
Capacitance of a microstrip
Propagation delay of a microstrip

Units Conversion Data
Converts mm to mils and C to F.
Embedded units chart for reference.

Planar Inductor Calculator
Calculates the inductance of a planar PCB spiral inductor.

Power Delivery System Impedance Calculator
Calculates the target impedance of a PDN.

Thermal Resistance Calculator
Calculates the junction temperature of a device using thermal resistance.

下载链接：
http://saturnpcb.com/Saturn%20PCB%20Toolkit%20V5.0%20Setup.zip

focman

winworm
satum pcb 这个软件很不错，很喜欢！！！！！

wgljw2000

winworm老大
SILIST 离线版本能不能共享一下，谢谢！