Hspice measure frequency. measure" simulation".

Hspice measure frequency Derivative of a dependent variable, if a specific event occurs. My unity gain frequency is 3. param VDD =1 which is not suitable as it auppresses first 100 frequency components. means Statement Editor" in the section "examples of ". MEAS AC bandwidth WHEN vdb(6)=0 *Unity Gain Frequency (Bandwidth). 60212e-19 - Electron charge HSPICE automatically looks for a file in the local directory named HSPICE can measure power – Instantaneous P(t) – Or average P over some interval. Use output format statements and variables to display steady state, frequency, and time domain simulation results. , "+mycalnetid"), then enter your passphrase. From this graph, we can observe the following: Hello, I want to modelise a generator with an equivalent thevenin generator in Spice. then in cadence go to results browser from the analog environment. Also, the result of a . op. 2 7-1 . u can follow this. Hpice Projects including DRAM, SRAM, High-Frequency Divider and Manchester Adder. In Star-Hspice, the frequency response is obtained by performing an AC analysis with AC=1 in the input source (the Laplace transform of an impulse is How to get a figure: Freq. hspice. 0. Brief Introduction to HSPICE Simulation Wojciech Giziewicz 1 Introduction This document is based on one written by Ihsan Djomehri, Spring 1999. end表示結束 and Frequency Domains. HSPICE RF 5 標題與描述 檔案第一行為標題,Hspice視而不見!! *開頭表示註解 . Equation evaluation. ch07 1 Thu Jul 23 19:10:43 1998 Star-Hspice Manual, Release 1997. Hspice is a spice simulation software, available on Sun/Unix platforms on eniac/pender machines (for e. please help me again,thanks . A data-driven parameter sweep automates characterization by simultaneously varying parameters to If you are not sure about the application, just connect QB to D as 1/2 frequency divider. The measurements named like delay_inv1/a_inv1/z, which means, that it is delay from pin inv1/a to pin inv1/z. Call that T_up_n. \$\endgroup\$ HSPICE® Reference Manual: Commands and Control Options Version K-2015. sp > test. measure ac tmp max mag(V(out)) if you want the width of the peak (at 3db down), add:. com hspice power measure just use . 84 . Joined Aug 2, 2005 Messages 351 Helped 15 Reputation 30 Reaction score 7 Trophy points 1,298 Location Shanghai Visit site For Fig. BradtheRad Super Moderator. Joined Jun 15, 2017 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Visit site Activity points 13 When creating a simulation test bench the natural place to start is the actual measurement test bench. HSPICE Transient Analysis: Below is a spice deck for characterizing a CMOS inverter. (say at least 20 points per period of the expected frequency) by using maxstep. For HSPICE Measure and ACE Tcl export modes, the path of the output file must be specified. TRAN analysis will be a bit more involved, but since this is SPICE world you can measure it easily in . 12MHz. measure TRAN td_f TRIG v(out2) val='vdd/2' rise=2 + TARG v(out3) val='vdd/2' fall=2 . grX (from . Joined Apr 1, 2011 Messages If no measurement operation is specified, the result of the . This example runs a 100-point frequency sweep from 1-to 100Hz. I don't use HSPICE, but I can tell you how to do that in Eldo (not very different). ). A multi-stage frequency divider is typically used to lower the output frequency of the inverter ring from the gigahertz range to the megahertz range, which makes the circuit's fundamental output frequency (<100MHz How to simulate Oscillator in Hspice? Triggered Signal Frequency Measure Tool: Cscope. I only know the way of doing it using Hspice like this: [CODE]. You can specify LIN, DEC, OCT, POI, or SWEEPBLOCK. 94 SWEEPBLOCK in Sweep Analyses In addition to a ring of inverters (inverter ring), the test structure often includes a frequency divider for down-converting the oscillator’s fundamental frequency [1] [2] [3] [4]. HSPICE appends the extension . tf V/I(node#out) V/Inamein. holddreams Full Member level 6. MEASURE results. measure ac A simple tutorial on how to measure the frequency of a waveform in the free electronics simulation software called LTSpice HSPICE Tutorial – AC Simulation We will construct and analyze a NMOS common-source amplifier as the example for AC analysis. Integral evaluation. mt0 file, that Hspice have generated. I used these codes but they didn't work: . measure—AVG MAX PP MIN RMS. I wonder how can i get the output gain at different input signal frequency(such as 1kHz) by . Here, QB is input of I6. HSPICE PART-3 Cosmoscope Waveview configuration se I’m not as familiar with the settings in HSPICE nowadays, but the “gear2” method typically has some numerical damping, so that can certainly affect the behaviour of circuit simulators when simulating oscillators. 24 Calculations for frequency and power consumption were then made for these Vdd values. 36u) into frequency is a bit tiresome. ) model/libcmos050t22a. The frequency range is always above zero, but you let HSPICE to measure the value of db(out) when frequency=-3Hz. 145 HBAC Approach Hspice “. EXAMPLE:. 1415926535 $ value of pi * * Global Supply parameters: * A. lis •hspice calls the program •simple_dc. measure pwr AVG P(vdd) FROM=0ns TO=10ns Power in single gate – Connect to separate V DD supply – Be careful about input power. Any help would be much appreciated. Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,308 Trophy points 1,393 Location Germany Visit site Activity points 44,123 HSPICE ® is the industry and high-frequency phase noise and jitter analysis. for various control voltages i have a different frequencis. 7071067811865475. 開頭表示一命令 +開頭表示接續上一行 . Vs VDD GND DC VDD. 0mW. Mar 20, 2013 #4 erikl Super Moderator. 7MHz to 15. Behavioral Voltage Source See “Voltage and Current Controlled Elements” in the HSPICE Simulation and Analysis User Guide. sp design configuration . Time difference between D's edge and clock's edge for which the propagation delay doubles (or whatever percentage one decides to use) is considered a setup time. HSPICE doesn't know db(out) Solution:. The expressions for many of these capacitances include hspice parameters. \$\endgroup\$ – Basil Kuriakose. for this i did transient analysis now i have a data in . The dialog box has predefined measurements for all How to accurately test the frequency of a VCO output in HSPICE? Is it can be realized automatically by using some command in HSPICE? Thank you. ch08 1 Thu Jul 23 19:10:43 1998 Star-Hspice Manual, Release 1998. -o output_file Name of the output file. 09, September 2014 Slew, Frequency, or Duty-Cycle measurement, the default measurement target is the first selected (highlighted) signal. Saying such a audio amp has 19. This file can be Digital circuit measures the frequency f0 each 53 ms because the measure step is deduced from the linear fitting applied to the f0 vs. 2 25-1 Chapter 25 Performing FFT Spectrum Analysis Spectrum analysis is the process of determining the frequency domain representation of a time domain signal and most commonly employs the Fourier transform. Specifically I was wondering the best way to address the negative values I am getting. 06, June 2015 •Any independent variables (time, frequency, parameter). measure – I'm fairly new to HSPICE. 5 vds=3 •Any independent variables (time, frequency, parameter). ch26 1 Thu Jul 23 19:10:43 1998 Star-Hspice Manual, Release 1998. Extract the time at which your signal crosses in one direction a given threshold level for the nth time. Last edited: Mar 2, 2014. msX (dc Measure). hello i am making a circuit of VCO. 2 \$\begingroup\$ This "mouse cursor" method is error-prone. There is a downloadable Spice model in the article Thermal Step Response Visualization. 68u 1. Last edited by a moderator: Aug 22, 2014. The result rel8 is the frequency that the magnitude of V(out) is equal to 0. PZ V(B) Vpz and secondly the none of frequency (hertz) matches to 1Mhz. Average, RMS, min, max, and peak-to-peak. lis is the output file, you can change the name if you want I've seen this method used while measuring the propagation delay: shift the edge of D towards the clock edge and measure the propagation delay (50% of D to 50% of Q). measure hspice Check out Avantis hspice guide. param pfreq = 100x $ Input Frequency in AC analysis, 100MHz + pi = 3. Existing SPICE decks created for SPICE-3 can be easily modified to run under HSPICE, or can be rewritten to take advantage of features not available in SPICE-3. ch20 1 Thu Jul 23 19:10:43 1998 Star-Hspice Manual, Release 1998. 09-SP1. HSPICE® Simulation and Analysis User Guide Version Y-2006. ex. Aug 31, 2004 #3 Select integrated noise meaning the noise at certain frequency. options ingold=2 list node post. I think you can only perform a trans simulation for evry value of input signal , then you measure the obtaned frequency of each value of the DC input signal At the end you can draw (manually) the input output caracteristic HSPICE Tutorial – AC Simulation We will construct and analyze a NMOS common-source amplifier as the example for AC analysis. Joined Mar 21, 2006 Messages 149 Helped 4 Reputation 8 About. Use Hspice to find the operating point for an analog circuit. 09, September 2014 1. e. CosmosScope User Manual. Joined * This measure finds the transition if it exists . book : hspice. datN_trX (from . The item measured is the independent variable beginning at the trigger and ending at the target: for transient analysis it is time; for AC analysis it is frequency; for DC analysis it is the DC sweep variable. PRINT POWER Measurement Mode hspice -meas measure_file-i wavefile-o [output_file] Help Mode hspice [-h] [-doc] [-help] [-v] Argument Descriptions-i input_file Specifies the input netlist file name. 1 ISF-based and HSPICE RF Phase Noise Simulations vs Lab Measurement Figure 3-1: ISF-based and HSPICE RF Phase Noise Simulations vs Lab Measurement Figure 3-1 shows the simulation results from ISF-based methodology and from the phase noise feature of HSPICE RF against lab measurement at 1. print ac . The definitions of the relevant parameters are given in Table I. That said, I’m not sure that would be Most LED people think in duty cycle and frequency but the Spice command uses PULSE(Ioff Ion Tdelay Trise Tfall Ton Tperiod Ncycles). Use Hspice to plot the closed-loop transient response of an amplifier, and be able How to accurately test the frequency of a VCO output in HSPICE? Is it can be realized automatically by using some command in HSPICE? Thank you. mt0,mt1,. The parts values give a pole frequency fp=wp/6. MEASURE statement. I have a simple circuit of a voltage source in series with a resistor and capacitor and I need to find the time that the voltage at the capacitor reaches 63% of the run the simulation, use “hspice test. A) * Set frequency parameter to 100MHz and pi constant: * . B. Commented Apr 7, 2018 at 18:42. Method Tolerance Limit BYPASS CSHUNT DVDT GSHUNT INTERP different time and frequency domain waveform types, such as: ``Analog ``Digital ``Smith chart ``Polar plot ``2-D, 3-D sweep ``Eye diagram ``Histogram Measurements Cursors, Monitors and the Measurement Tool Cursors Custom WaveView provides an unlimited number of cursors specifically for interactive on-screen measurement of waveforms. meas ac phase_margin ***** from=1 HSPICE® User Guide: Advanced Analog Simulation and Analysis Version J-2014. i am using HSPICE and cosmos-scope. HSPICE Introduction HSPICE is an analog circuit simulator (similar to Berkeley's SPICE-3) capable of performing transient, steady state, and frequency domain analyses. •CROSS=LAST, measurement occurs the last time the WHEN condition is true, for a rising or Any independent variables (time, frequency, parameter). 42 Element. 12 About This Manual This manual describes how to use HSPICE to maintain signal integrity in your chip design. The corresponding phase at f=3. 0e+12 ⋅ FSCAL. Frequency Divider •Input stage-high speed, low power, Following stages-High speed •Differential type-Suppression Noise •Input I want to learn . 5v to one input and -0. 41 Netlist Structure. I run a amplifier AC simulation with hspice. 2 8-1 RESULTS specifies the measure name used for optimization in the. Default=0. The overall PSIJ analysis methodology and timing impact to This handy trick can save quite a bit of time, plus it’s helpful to see the frequency right there on the schematic. Ideal Transformer See “Ideal Transformer” in the HSPICE Simulation and Analysis User Guide. I would like to get at each rising edge of the clock (i. 3GHz and the power consumption varied from 0. MEASURE HBNOISE result DERIVATIVE inoise AT = <IFB1> This measurement finds the derivative of inoise at the IFB1 frequency point. Find-when. ``Built-in support for HSPICE . beckchm Banned. g. 38062e-23 - Boltzmann’s constant I was wondering what the best way to measure the standard tPHL, tPLH parameters was in HSPICE. MEAS AC PM FIND PAR('180+vp(6)') WHEN vdb(6)=0 *Phase Margin 180+phase. mt0 file i. I have the Vco (open-circuit voltage) and the Zs (source impedance) in fonction of the frequency. Use Hspice to plot an amplifier’s open-loop frequency response and be able to measure low frequency gain, gain bandwidth product, phase margin, and gain margin. The dialog box On 18/01/2021 06:41, John S via groups. This figure is of little use, with the frequency range (like 20 Hz to 20 kHz for a good audio amp) generally being more useful. Default=1. udemy. Usage: run this app; Copy the Spice Then, run Hspice hspice output. Topics \$\begingroup\$ So I've to measure frequency like we use the manual cursor for DSO. 2. (iam simulating a 50Mhz pll). In this i got the frequency for various control voltages with the help of . hspice – I . ch07 6 Thu Jul 23 19:10:43 1998 too small” problems caused by high-frequency oscillations or numerical noise. lis initial condition . Udemy course about "LTspice Tutorial for Beginners - Let's Simulate Electronics!"https://www. Frequency is related to delay by equation 1, so the delay of one oscillation was measured for each Vdd value. meas ac freq3db when VDB(OUT) = - 3 The frequency response is called the impulse response and is denoted by H(s), where s is a complex frequency variable ( ). And run HSPICE and probe the current of the supply voltage. 8: SPICE Simulation CMOS VLSI DesignCMOS VLSI Design 4th Ed. nodeset V(node#)=value. FFT analysis should be used. Joined Apr 1, 2011 Messages hspice. The frequency range of this simulated ring vi Contents Two-tone HB Approach . meas statements, or something similar, to find the maximum and minimum duty cycle? hspice node capacitance hi in "hspice_sim_analysis. pdf" (hspice 2004 user manual) page 309 (7-25) Nodal Capacitance Output SYNTAX: CAP(nxxx) For nodal capacitance output, HSPICE prints or plots the capacitance of the specified node nxxxx. AC LIN 10 1K 100MEG. So what is my PM then? Is it 180-157=23? or 180+157=337? I'm confused. function correlation between path-based analysis and HSPICE simulation was performed in [1,3], however, direct measurement correlations of jitters have not been reported as of yet. MEASURE statement start1 starting voltage, current, element, model parameters, or FMAX sets the limit for maximum pole and zero frequency value. I translate the Vco in time domain with a TDF to use it in spice in a voltage This is merely the high frequency limit minus the low frequency limit. bastos . View. Joined Nov 13, 2005 Messages 190 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,298 Visit site Activity points 0 total power hspice code. Sep 29, 2006 #4 qiushidaren Full Member level 2. For more details on CosmosScope, please refer to the . 107. 5v to other input. Please note that the pole frequency is identical to the 3dB cutoff for a BUTTERWORTH response only (Qp=0. Derivative Frequency sweep range for the input signal (also referred to as the input frequency band (IFB) or fin). Thread starter Albertll; Start date Jun 15, 2017; Status Not open for further replies. The first signal is the default if no signal is selected. How to plot voltage vs current in HSPICE/MacSPICE? 1. After simulation the "power_avg The measured frequency had a range of 19. Custom WaveView User Guide. . m*# (e. 3. meas power_avg AVG P(Vs) from=0ns to=285ns. If "FROM value TO value" is not described, all times are in the measurement range. We adjust the frequency of the clock pulse based on the calculated Clk-Q delay and minimum setup time to ensure that the entire switching event of the flip- the HSPICE Simulation and Analysis User Guide and the HSPICE Applications Manual. measure" simulation". ALTER simulations ``Transient, AC, RF, mixed-signal display and analysis different time and frequency domain waveform types, such as: ``Analog ``Digital ``Smith chart ``Polar plot ``2-D, 3-D sweep ``Eye diagram ``Histogram Measurements Hi, I want to measure phase at some specific frequency, like measure phase @ unity gain. sp is the name of netlist, extension is required •> tells HSPICE to output the results in the file following the symbol •! tells HSPICE to replace the file if file of same name exists •temp. freq is the frequency of the signal, and td is the delay. AC DEC 10 1 10K SWEEP MONTE=30 When an . As expected, the frequency and power consumption increased with increasing voltage supply. Index Terms – ring oscillator, CMOS inverter, 32nm CMOS technology I. Jun 25, 2011 #5 L. out (view it). By plotting the h21, the ft can be estimated by extrapolating the unity gain frequency of the h21. •Derivative of a dependent variable, if a specific event LAST HSPICE measures when the last CROSS, FALL, or RISE event occurs. Also, note that the SIN function is used hspice measure noise integrate When you do an AC simulation hspice computes the input and output refered noise. 98 kHz bandwidth is rather less meaningful. You can also use these statements to measure the time, frequency, or any parameter jitter & hspice How can i measure the output frequency and jitter of an oscillator using HSPICE , is it possible to get a graph of frequency verses time using transient analysis? May 9, 2008 #2 H. then right click on the vco output(the net whose jitter we need to calculate) and click calculator. I want to measure the frequency of ring oscillator circuit I inserted in my design. 03, March 2006 HSPICE Input/Output Files & Suffixes HSPICE Input input netlist . measure tran max1 param='max(n1,n2)' . Joined Jun 10, 2003 Messages 715 Helped 113 Reputation 226 Reaction score 27 You have mixed the pole frequency wp withthe 3dB-cutoff frequency wo. INTRODUCTION hspice phase margin I was using command to measure phase margin in hspice. The dialog box has predefined measurements for all important frequency-domain parameters. i have given +0. measure ac bw trig mag(V(out))=tmp/sqrt(2) rise=1 + targ mag(V(out))=tmp/sqrt(2) fall=last if you want the frequency add:. 2 24-7 ‘ Figure 24-2: Fifth-Order Low-Pass Filter Response Pole/Zero Example 2 – Kerwin’s Circuit The following is an HSPICE input file for pole/zero analysis of Kerwin’s circuit9. com/course/ltspice-tutorial-for-beginners/?referralCode=E6 This video covers the Transient and DC Analysis of an inverter using CMOS and FinFET Model files in HSPICE. DC Analysis: the following statements are useful when dealing with DC scenarios: . In any case, is it bad or good? Pls help. meas ac ugain_freq when Vdb(out)=0 . How to Sign In as a SPA. just run the tran simulation for about say 10us. A frequency equation taking into account the parasitic ca-pacitances was derived in [8]. i want to calculate/measure differential output and gain of a simple differential amplifier. 3 Hz and a pole quality factor Qp=0. Frequency and Energy of a Negative Voltage Charge Pump Use HSPICE - 2nd, run HSPICE to simulate! •Command to run HSPICE: •hspice simple_dc. These variables also permit you to use behavioral circuit analysis, . In this example, the 3dB For Fig. In this tutorial, we will again use the HSPICE on Engineering Workstation To measure the lower and upper 3-dB frequency, as well as the 3-dB bandwidth, use the Measurement Tool from the Tools menu. During behavioral simulation, my circuit is switching its output, but HSPICE® Reference Manual: Commands and Control Options Version J-2014. These functions may be used with current sources, specifying currents instead of voltages. This power measure-ment includes the power dissipation seen by the switching event of the flop, the clock signal, and the data signal. Assuming you have a node labeled "out":. HBNOISE analysis. how can i use . Did anybody try this before ? Feb 26, 2015 #2 B. 09, September 2008 The HSPICE output file with the measured capacitance is also shown after the source code. 504. Staff member. DSL 100 Moore Bldg. 7071). F-2011. To measure ft, an RF network analyzer can be used to measure the s-parameters and then the s-parameters can be converted into h-parameters. TRIG: Equation for increase/TARG: Equation for decrease "TRIG: Equation for increase/TARG: Equation for decrease" is a rather complex setup, so we plan to explain how to create the syntax using the ". i tried a lot of times, still don't work. MEASURE FIND-WHEN Allows any independent variables (time, freq, parameter), by using WHEN syntax, or any dependent variables (voltage, current, etc), by using FIND To measure the lower and upper 3-dB frequency, as well as the 3-dB bandwidth, use the Measurement Tool from the Tools menu. 06, June 2015 To measure the lower and upper 3-dB frequency, as well as the 3-dB bandwidth, use the Measurement Tool from the Tools menu. It will contains measurement results for all gates in your critical path, cell delay and transition time. 85 . Mar 4, 2014 #8 M. measure—rise fall delay. MEAS AC GM FIND PAR('0-vdb(6)') WHEN vp(6)=0 *Gain Margin . •Any dependent variables (voltage or current, for example). 2 [12]. Chapter 9: Measurements. GRAPH) f Frequency k 1. measure? thx. now i want to find the slope of F vs V curve with the help of hspice command. ini HSPICE Output run status . Specify the HSPICE® User Guide: Advanced Analog Simulation and Analysis Version K-2015. Start with very low frequencies (to determine thr real part) and find the frequency for which the phase shift is totaly i need to obtain total load capacitance of inverter and i don't know what is this capacitance is that hspice measures. 09, September 2014 How to Sign In as a SPA. As shown below in Figure 1, a typical PLL consists of functional blocks that include a reference oscillator, VCO, phase/frequency detector, charge pump, loop filter, and divider. pwlN_trX (from . The following example illustrates a frequency sweep along with a Monte Carlo analysis with 30 trials. The syntax for writing the hspice files is same as for the most I'm doing a transient simulation in HSPICE with an input vector file of N values (N>100). because both inputs should vary simultaneously but HSPICE generates different As mentioned by @analogsystemsrf, the capacitance varies, so a . STIM <TRAN> PWL). 1, I use the following commands in HSPICE to measure average power consumption. This app calculates and displays the Spice command so you can copy-paste into your model. cfg initialization hspice. Inside This Manual This manual contains the chapters described below. Figure 6 shows the measured values of frequency and delay with changing Vdd. The dialog box HSpice Analysis and Optimization Bart Zeydel, Hoang Dao, Xiao-Yan Yu I. 09, September 2014 I want to measure the frequency of ring oscillator circuit I inserted in my design. Nov 16, 2006 #1 L. 38062e-23 - Boltzmann’s constant q 1. The objective is to measure . HSPICE - Measuring a series of values in transient simulation. This If there is any option in Hspice that it can check the output run-time and change the input signal, it can reduce time to check the digitally assisted analog block operation. Figure 1: Custon WaveView Main Window Features Custom WaveView supports many different time and frequency domain Waveform Display Cursors waveform types, such as: Monitors `` Analog Measurement Tool `` Digital `` Smith chart Toolboxes and Assistants `` Polar plot Eye Diagrams DFT/FFT `` 2-D, 3-D sweep ADC Design Toolbox `` Eye diagram Jitter HSPICE Simulation and Analysis User Guide. maX (ac Measure). The HSPICE RF optimization flow can read the measured data from a . procedure takes advantage of several unique capabilities of HSPICE RF for accurately predicting oscillator steady-state and phase noise characteristics. FSCAL HSPICE® Signal Integrity User Guide xi A-2007. ch25 7 Thu Jul 23 19:10:43 1998 Performing Pole/Zero Analysis Using Pole/Zero Analysis Star-Hspice Manual, Release 1998. AC by adding a current source at the input with ac 1 as value and the hspice. MEAS statement. PRINT POWER it will give you accurate power. To sign in to a Special Purpose Account (SPA) via a list, add a "+" to your CalNet ID (e. C. MEASURE command and parametric plots for . 338uW to 54. measure command. MEASURE This example performs a frequency sweep by 10 points per decade, from 1kHz to 100MHz. 43 . sp’ CMOS1 . For more specific details . A model of the MOSFET including para-sitic capacitances is shown in Fig. Get access to 30 million figures. AC statement is included in the input file, Star-Hspice performs an AC analysis of the circuit over the specified frequency range for each parameter value specified in the second sweep. For descriptions of the other manuals in the HSPICE documentation set, see the next section, The HSPICE Documentation Set. 12MHz is 157 degrees. Hughes Advanced Member level 3. Ideal Op-Amp See “Ideal Op-Amp” in the HSPICE Simulation and Analysis User Guide. MEASURE. measure avg power” statement. I made circuit schematic using xilinx ISE. lis. may be frequency or amplitude of the input signal. Oct 19, 2012 #2 erikl Super Moderator. . timing of the shape kT, T Fundamental measurement modes in HSPICE are: Rise, fall, and delay. options meascplxfmt=cartesian. i am varying the inputs,one from 0 to 1v and another from -1 to 0v. STIM TRAN DATA) f Frequency k 1. HSPICE® User Guide: Advanced Analog Simulation and Analysis Version J-2014. HSPICE® Reference Manual: Commands and Control Options Version B-2008. Mar 8, 2006 #9 B. leonken then you measure the obtaned frequency of each value I'm quite confused on how to measure phase margin in HSPICE (please see attached file). 3 HSPICE is ideal for performing accurate cell and memory characterization and provides versatile waveform measurement functions based on simulation data. T characteristic. MEAS statement is the distance along the abscissa between the TRIG and TARG points. Joined Jun 8, 2011 Messages 10 Helped 0 Reputation 0 Reaction score 0 Trophy points qpss noise to calculate the long term jitter. you can refer to the spice user manual for how to using measure statement . No way to way to auto-track the frequency. Thanks! site:edaboard. measure ac cfreq when hspice. end[/CODE] My This measurement integrates the inoise value from the IFB1 frequency to the IFB2 frequency. print P(vdd). after opening the calculator ,calculate the frequency and time v Contents Voltage and Current Source Elements. Jun 15, 2017 #1 A. measure command to measure and directly give out the current value at specific vgs and vds. io wrote: I have a converter using voltage and current mode control with a fixed frequency. PLL Components Circuits. 2 19-1 Chapter 19 Performing Cell Characterization Most ASIC vendors use Star-Hspice to characterize their standard cell libraries and prepare data sheets by using the basic capabilities of the . Name that is associated with the measured value in the Star-Hspice output. maX (ac Measure) hardcopy data . -hpp Invokes HSPICE Precision Parallel. out” which dumps the results into test. Any dependent variables (voltage or current for example). st0 output listing . During behavioral simulation, my circuit is switching its output, but I want to learn . PZ analysis in hspice and in order to do so I created a simple testbench for a RC circuit: R1 A B 1k C1 B 0 1n Vpz A 0 DC 1 AC 1. lis file. param VDD =1. 44 83 . Is there a way to use . Albertll Newbie level 1. Nonzero START times should. Apr 8, 2006 #3 H. Under filter select the devices you wish to see. This paper demonstrates simulation and measurement correlation results of PSIJ for core and digital IP blocks. lokeshgarg Newbie level 5. ic measure output . I typically think in terms of frequency, not period, and for me, trying to repeatedly decode something like PULSE(0 5 1u 0 0 0. but i have doubt if it is correct or not. bandwidth calcul hspice Because: 1. I make simulation in time domain. 28=0. My generator will send impulsion in a switch mode power supply. dc V/Iname1 start1 stop1 step1 <V/Iname2 start2 stop2 step2> where you choose either V or I (for voltage or current) when V/I is indicated; HSPICE measure absolute value. end *** HSPICE Netlist file for DIFF AMP Frequency Analysis *** Created by hspice. print ac vdb(6) vp(6) *gain. AC DEC 10 1K 100MEG. It puts the integrated noise in the output *. The next screen will show a drop-down list of all the SPAs you have permission to access. MEAS statement can be used in another . •CROSS=LAST, measurement occurs the last time the WHEN condition is true, for a rising or . You can use these measure statements in unity gain frequency or phase measurements. There's an example in the ltspice manual. measure dc i1 when vgs=1. sp >! temp. measure tran max2 param='max(max1,n3)' This document contains several HSPICE examples demonstrating circuit analysis techniques, including: 1) Voltage divider, subcircuit, and calling subcircuit simulations; 2) Switching circuits using transmission line gates; 3) Pulse and triangle wave generator circuits; 4) Dependent source examples using VCCS and CCVS; 5) Ideal transformer and rectifier with I can look at the time values on the waveform viewer and determine an estimated time, however given that LT spice is equipped with a measurement feature I'd like to be precise. mtX (tran Measure). 9GHz. measure TRAN td_r TRIG v(out2) val='vdd/2' fall=2 HSPICE® Reference Manual: Commands and Control Options Version J-2014. sp Then look in the *. mostafah67 Member I wrote a hspice code to simulate and plot the nmos' I-V curve. vs Time in HSpice? Thread starter leonken; Start date Nov 16, 2006; Status Not open for further replies. oscillation frequency. pvgfgy pvl nwyiv ggy bhnydm elnia rnugac ufrbk yiai kipu