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文件大小: 6mb
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上传时间: 2011-06-26
详细说明： 非常优秀的PCB设计辅助工具 程序包括： [B]PCB Via Current Calculator per IPC-2152[/B] 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 [B]PCB Trace Width Calculator & PCB Trace Resistance Calculator per IPC-2152[/B] 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. Please check back often, this program is updated often per customer requests. What would you like to see in this program? Tell us now! ...展开收缩
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