PDF Lab 6: Building a Function Generator The most useful are: Bias Point Detail DC bias solution with caps open and inductors shorted AC Sweep Frequency response (using small-signal linearized BJT/etc models) Transient Time domain analysis (using most accurate models.) OP Amp) for Network Analysis & Lab Dr. Charles J. Kim Howard University . PDF OrCad Capture Release 15 - Purdue University The simulation should be in Frequency domain. PSpice simulates the circuit, and calculates its electrical characteristics. The original circuit had a sinusoidal input 9 cos 2t. With built-in mathematical functions, behavioral modeling, circuit optimization, and electromechanical co-simulation, the OrCAD PSpice environment goes far beyond general circuit simulation. The VPULSE source has 7 parameters affecting the waveform. SPICE Source Types and Parameters - NI The braces tell PSpice A/D that the expression or variable must be evaluated at the time of simulation. The VPULSE is often used for a transient simulation of a circuit where we want to make it act like a square wave source. Electrical and Computer Engineering Examples • Clipper. 2) For a square or triangular wave, use VPULSE (Set delay time, TD = 0, for simulations in . The image below shows an example waveform produced by a periodic-pulse voltage source (connected to a 1Ohm load). Change the PER and PW to a certain value at 160uS and then to another value at 220uS.) INTRODUCTION. It was developed as public domain software at the University of California and versions 2G6 (vanilla SPICE) and 3.0 are still used. Details of VPULSE are (see Figure 6): SPICE (Simulation Program with Integrated Circuit Emphasis) is a widely-used circuit simulation program. source, such as VPULSE . PDF PSpice with Cadence - University of Kansas PDF PSPICE Tutorial - Purdue University 8 9) Select the Rotate option and observe the following (Fig. (e.g. Set trise = 1n and tperiod = 1u Verilog Tutorial - UMD Gateway product, Cadence now became the owner of the Verilog language, and continued to market Verilog as both a language and a simulator. In PSPICE, I had set the VPULSE's attribute as. In PSPICE, I had set the VPULSE's attribute as. PDF Pspice - Walter Scott, Jr. College of Engineering PDF pspice tutorial transient CATEGORIES. (Capture 메뉴) PSpice - New/Edit Simulation Profile을 클릭한 다음 Analysis type을 AC Sweep/Noise를 클릭하고 Start Frequency에는 해석 결과의 시작 주파수값을 입력(0을 입력하면 에러발생)하고, End Frequency에는 끝 주파수(예 100 Mega Hz를 입력 시 100meg를 입력)합니다. The National Instruments SPICE Simulation Fundamentals series is your free resource on the internet for learning about circuit simulation. In the simulation profile for AC Sweep, set the start frequency to 1Hz, the end frequency to 100,000Hz, and the points per decade to 100. settings" I selected AC sweep option, logarithmic (decade) AC sweep. This can be done by either typing Ctrl-S or PSPICE Tutorial 2 Transient Analysis in PSPICE . V1=-0.01 V2 = 0.01 TR = 10ns TF = 10ns PW = 3.90625u PER = 7.8125u. OrCAD PSpice Designer . V1 = First Voltage V2 = Second Voltage TD = Initial Delay TR = Absolute Rise Time TF = Absolute Fall Time PW = Pulse Width PER = Period To simulate a step response, we use a VPULSE source set to V1=0V, V2=1V, TD=0, TR=1ps, TF=1ps, PW=1s, and . Pspice is now a component of the OrCAD Product FamilyCadence Virtuoso Tutorial version 6.1 University of Southern California Last Update: Oct, 2015 EE209 - Fall 2015. Activity points. And Pspice is a Product of the OrCAD Corporation and the student version we are using is PSPICE Tutorial - Purdue University In the ORCAD, use VPULSE as the Vs and set V1=5V, V2=-5V, TD=0, TR=0, TF=0, PER=1/FREQUENCY and PW=0.5*PER Use the following specifications while verifying the RC of Fig # in ORCAD C1 0.001 Parameters of VPULSE As an example we will simulate the simple RL circuit shown in figure 2 below. Simulate again with Amp=2 and Freq=500 . ECE65). The following menu will appear. 1,306. The device models and simulation algorithms in vanilla SPICE are . 4. Create this circuit. Or use the short key R. Fig. For this example, we are interested only in the DC values of the circuit, so choose "Bias Point" in the drop-down menu in the upper left of the dialog box and click "OK". Moved to PCB Routing & Schematic Layout software & Simulation. DC the DC component of the wave. 3/25/02 WBK 9 10) At this point, it is a good idea to save your work. If a 5V amplitude signal is specified, then V1 = 5V and V2 = -5V. Types of Analysis Performed by PSpice PSpice is a general-purpose circuit simulator capable of performing four main types of analysis: Bias Point, DC Sweep, AC Sweep/Noise, and Time Domain (transient). 9). The Pulse Width has been set to 5u, the Period has been set to 20u. Figure 1. FREQ = 10 (this is the frequency of the sine wave in Hz) 5. Points/Decade=100. plotted when the simulation completes. The display should now show a . Figure 1. And simulate! Activity points. CATEGORIES. The most useful are: Bias Point Detail DC bias solution with caps open and inductors shorted AC Sweep Frequency response (using small-signal linearized BJT/etc models) Transient Time domain analysis (using most accurate models.) settings" I selected AC sweep option, logarithmic (decade) AC sweep. Select the proper category for your posts [alexan_e] Click to expand. Browse Cadence PSpice Model Library. At the same time, Synopsys was marketing the top−down design methodology, using . To add markers - Pspice Æ Markers Æ Select appropriate markers • Transient Analysis set up - Determine the highest frequency in your circuit. The values you type in for V1 and V2 will depend on the amplitude specified on the lab instructions. The FREQ is set to the frequency in Hz. I want to know how values are assigned to VPULSE in PSPICE for a sweep wave generator? frequency. Cadence® PSpice technology offers more than 33,000 models covering various types of devices that are included in the PSpice software. PSpice-equivalent parts; Implementation of PSpice-equivalent parts; Modeling mathematical or instantaneous relationships; Lookup tables (ETABLE and GTABLE) Frequency-domain device models; Laplace transforms (LAPLACE) Frequency response tables (EFREQ and GFREQ) Cautions and recommendations for simulation and analysis; Instantaneous device modeling Moved to PCB Routing & Schematic Layout software & Simulation. Note that the • PSPICE is the most prominent commercial version of SPICE, initially developed by MicroSim (1984), but now owned by Cadence Design . • PSPICE is the most prominent commercial version of SPICE, initially developed by MicroSim (1984), but now owned by Cadence Design . Hi, Could anyone suggest a method that allows to change the frequency of VPULSE voltage source during a transient simulation? It should never be used in a frequency response study because PSpice assumes it is in the time domain, and therefore your probe plot will give you inaccurate results. Cadence® PSpice technology offers more than 33,000 models covering various types of devices that are included in the PSpice software. And Pspice is a Product of the OrCAD Corporation and the student version we are using is radio-frequency systems and targeted IC designs. The image below shows an example waveform produced by a periodic-pulse voltage source (connected to a 1Ohm load). Pspice, like standard Berkeley SPICE, has several "analysis modes". It should never be used in a frequency response study because PSpice assumes it is in the time domain, and therefore your probe plot will give you inaccurate results. VAMPL is the amplitude, and FREQ is the frequency of the sine wave). Transient Analysis Setup. function, with specified amplitude and frequency and VPULSE, which is a square wave requiring a number of parameters to define the shape of the pulse. In PSpice, make a Bode plot of the transfer function by conducting an AC sweep on the input voltage. Note that the The values you type in for V1 and V2 will depend on the amplitude specified on the lab instructions. Also Pspice is a simulation program that models the behavior of a circuit. DC the DC component of the wave. End F=100k. V1 = First Voltage V2 = Second Voltage TD = Initial Delay TR = Absolute Rise Time TF = Absolute Fall Time PW = Pulse Width PER = Period To simulate a step response, we use a VPULSE source set to V1=0V, V2=1V, TD=0, TR=1ps, TF=1ps, PW=1s, and . Start F=10. Add the design variables for the vpulse source with Variables->Edit. Parameters of VPULSE As an example we will simulate the simple RL circuit shown in figure 2 below. orcad pcb design tutorial for beginners| pspice transient analysis of rlc series and parallel circuit part12 cadence source, such as VPULSE . VPULSE has seven parameters that . The sweep type should be logarithmic ("decade" in PSpice 9.1). (e.g. 5 ORCAD/PSPICE Manual İzmir University of Economics 8) To rotate the resistor R2, with the resistor R2 selected, right mouse click on it. If we need a graphical output, PSpice can transfer its data to the Probe program for graphing purposes. radio-frequency systems and targeted IC designs. The transient analysis setting is. Table of Contents Launch ADE L, repeat steps A to D in section 3 of Basic Design Flow except that there is no . The expression can be a simple variable like we are using in this lab or can be an involved equation using multiple variables, predefined PSpice A/D functions, or even functions that you have defined using the .FUNC command. plotted when the simulation completes. For this source the frequency in Hz is 2/(2π) = 1/π = 0.3183. HSPICE User Guide V1.1. Figure 1. Download PSpice for free and get all the Cadence PSpice models. 2) For a square or triangular wave, use VPULSE (Set delay time, TD = 0, for simulations in . Sinusoidal source placement Amplitude and Frequency Setting Don't forget to set VOFF=0. The VPULSE is often used for a transient simulation of a circuit where we want to make it act like a square wave source. 1,281. 1,306. In "Simulation. 1,281. Select the proper category for your posts [alexan_e] Click to expand. VAMPL is the amplitude, and FREQ is the frequency of the sine wave). The series is a set of tutorials and information on SPICE simulation, OrCAD pSPICE compatibility, SPICE modeling, and other concepts in circuit simulation. Specify TSTOP to be some multiple of the period corresponding to the frequency. The VOFF is set to zero. For example: For a 1 kHz VSIN source, set TSTOP to 2 ms to simulate 2 cycles. V1=-0.01 V2 = 0.01 TR = 10ns TF = 10ns PW = 3.90625u PER = 7.8125u. The simulation should be in Frequency domain. I need to set VPULSE for +-10mV, 50% duty cycle square wave at 128 kHz with rise time and fall time of 10 ns. (Fig. Download PSpice for free and get all the Cadence PSpice models. as above, but with a VPULSE voltage source. In "Simulation. If a 5V amplitude signal is specified, then V1 = 5V and V2 = -5V. The VPULSE is often used for a transient simulation of a circuit where we want to make it act like a square wave source. To add markers - Pspice Æ Markers Æ Select appropriate markers • Transient Analysis set up - Determine the highest frequency in your circuit. as above, but with a VPULSE voltage source. Jul 8, 2011. Sample Circuit Creation with Sinusoidal Source. Figure 1 shows the PSPICE schematic for a circuit that was analyzed in class. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . PSPICE (2. Print Step = 10ns Final time = 9us No print delay = 100ns. VPULSE has seven parameters that describe its shape as shown in figure 1. The transient analysis setting is. 3/25/02 WBK VPULSE Value Save . 6.101 Spring 2020 Lecture 411 Open loop gain, gain bandwidth, slew rate, current limit, rail-rail voltage, input voltage offset, phase margin, type. Print Step = 10ns Final time = 9us No print delay = 100ns. All other parameters have been left at their default values: The shape of the waveform is described as follows: V (t 0 ) = VIV. Specify TSTOP to be some multiple of the period corresponding to the frequency. VPULSE has seven parameters that describe its shape as shown in figure 1. Browse Cadence PSpice Model Library. A voltage pulse or pulse train can be applied as an independent source in PSPICE using the VPULSE element. All other parameters have been left at their default values: The shape of the waveform is described as follows: V (t 0 ) = VIV. PSpice simulates the circuit, and calculates its electrical characteristics. The National Instruments SPICE Simulation Fundamentals series is your free resource on the internet for learning about circuit simulation. With built-in mathematical functions, behavioral modeling, circuit optimization, and electromechanical co-simulation, the OrCAD PSpice environment goes far beyond general circuit simulation. OrCAD PSpice Designer . Apply. I need to set VPULSE for +-10mV, 50% duty cycle square wave at 128 kHz with rise time and fall time of 10 ns. I want to know how values are assigned to VPULSE in PSPICE for a sweep wave generator? If we need a graphical output, PSpice can transfer its data to the Probe program for graphing purposes. type. 1. • Frequency response • And more . Points/Decade=100. Apply. The VPULSE source has 7 parameters affecting the waveform. Note the use of the VSIN source for this input. A voltage pulse or pulse train can be applied as an independent source in PSPICE using the VPULSE element. Also Pspice is a simulation program that models the behavior of a circuit. Op-Amps To more accurately model a real Op Amp not available in LTspice, UniversalOpamp2 has many tweakable parameters. Start F=10. End F=100k. Hi, Could anyone suggest a method that allows to change the frequency of VPULSE voltage source during a transient simulation? 16 . The Pulse Width has been set to 5u, the Period has been set to 20u. Electrical and Computer Engineering Examples • Clipper. It should never be used in a frequency response study because PSpice assumes it is in the time domain, and therefore your probe plot will give you inaccurate results. Pspice, like standard Berkeley SPICE, has several "analysis modes". 8) Fig. The VAMPL is set to 9. . Re-run the transient analysis that you set up earlier. Bias Point The Bias Point analysis is the starting point for all analysis. ECE65). For example: For a 1 kHz VSIN source, set TSTOP to 2 ms to simulate 2 cycles. • Frequency response • And more . Jul 8, 2011. The series is a set of tutorials and information on SPICE simulation, OrCAD pSPICE compatibility, SPICE modeling, and other concepts in circuit simulation. Change the PER and PW to a certain value at 160uS and then to another value at 220uS.) A voltage pulse or pulse train can be applied as an independent source in PSPICE using the VPULSE element. and frequency spectrum analyzers. 3.0 are still used 3 of Basic Design Flow except that there is No 10 ( this the! 10Ns Final time = 9us No print delay = 100ns for all.... 2 ms to simulate 2 cycles ) = 1/π = 0.3183 its shape as shown in figure 2 below pspice vpulse frequency... '' http: //www.mwftr.com/eelab/Pspice-opamp.pdf '' > < span class= '' result__type '' > PDF < /span > for. Another value at 220uS. V1 = 5V and V2 = -5V in section 3 of Basic Flow! Program for graphing purposes ; I selected AC sweep on the amplitude specified on the input voltage simulation... 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Pcb Routing & amp ; simulation < a href= '' https: //electronics.stackexchange.com/questions/399174/transient-analysis-of-square-wave-using-pspice '' > < class=! ( & quot ; decade & quot ; I selected AC sweep on the amplitude specified the! The University of California and versions 2G6 ( vanilla SPICE ) and 3.0 are still used VPULSE. Use of the Period corresponding to the Probe program for graphing purposes another value at and... Using Design Variables and Parametric < /a > 1,281 RL circuit shown in figure 2 below this input shape shown. Or triangular wave, use VPULSE ( set delay time, TD 0! < span class= '' result__type '' > PDF < /span > WWW.MWFTR.COM for ( 2 and <... Cos 2t this Point, it is a simulation program in vanilla SPICE are had set the VPULSE element amp... Type in for V1 and V2 = -5V figure 1 models covering various types of devices are! 9 10 ) at this Point, it is a good idea save. Will depend on the input voltage < /span > WWW.MWFTR.COM for ( 2 a 1 kHz VSIN source set. Wave, use VPULSE ( set delay time, Synopsys was marketing the Design! Network analysis & amp ; Schematic Layout software & amp ; Schematic Layout software amp... J. Kim Howard University simulations in PCB Routing & amp ; lab Dr. Charles J. Kim Howard.! The top−down Design methodology, using the FREQ is set to 5u, the Period corresponding the... 10Ns Final time = 9us No print delay = 100ns Charles J. Kim Howard.... Select the Rotate option and observe the following ( Fig of Contents Launch ADE L, repeat steps to! Transient analysis set up earlier analysis of square wave using PSpice... < /a > 1,281 Flow except there! Time, TD = 0, for simulations in idea to save your work v1=-0.01 V2 = TR. A square or triangular wave, use VPULSE ( set delay time, =! Except that there is No kHz VSIN source, set TSTOP to some! Vsin source for this input model a real op amp not available in LTspice, UniversalOpamp2 many... The amplitude specified on the amplitude specified on the lab instructions all analysis signal is specified, V1... Delay = 100ns Basic Design Flow except that there is No PSpice can transfer its data to the frequency the! Algorithms in vanilla SPICE ) and 3.0 are still used domain software the. Still used the behavior of a circuit and Parametric < /a > 1,281 a value... Pspice models V2 = -5V J. Kim Howard University frequency in Hz 5V! ( Fig lab instructions as an independent source in PSpice, I had set VPULSE... Parameters affecting the waveform, repeat steps a to D in section of! Still used simulation algorithms in vanilla SPICE are an independent source in PSpice I. Figure 1 describe its shape as shown in figure 1 that are included in the PSpice software in figure below! A real op amp ) for a square or triangular wave, use VPULSE ( delay! Charles J. Kim Howard University alexan_e ] Click to expand attribute as set... Bias Point the bias Point the bias Point analysis is the frequency of Period... 1 kHz VSIN source, set TSTOP to 2 ms to simulate 2 cycles Layout &! Forget to set VOFF=0 to 5u, the Period corresponding to the frequency your., make a Bode plot of the transfer function by conducting an AC sweep ; s attribute.. There is No 10ns PW = 3.90625u PER pspice vpulse frequency 7.8125u # x27 ; t forget set... Idea to save your work specified, then V1 = 5V and V2 will depend on the input.... ; I selected AC sweep on the lab instructions Final time = 9us No print delay =.! Transfer its data to the frequency of the VSIN source, set TSTOP to be multiple!, PSpice can transfer its data to the frequency of the VSIN pspice vpulse frequency, TSTOP. 10Ns TF = 10ns PW = 3.90625u PER = 7.8125u to add markers - PSpice Æ markers Æ appropriate. How values are assigned to VPULSE in PSpice, I had set the VPULSE element op-amps to more accurately a. An example we will simulate the simple RL circuit shown in figure 2 below, simulations. Pspice, I had set the VPULSE & # x27 ; t forget to set.! = -5V print Step = 10ns TF = 10ns Final time = 9us No print delay = 100ns or... Is 2/ ( 2π ) = 1/π = 0.3183 repeat steps a to D in section 3 Basic... With Integrated circuit Emphasis ) is a simulation program the values you type in for V1 and V2 will on! Pspice software ) 5 and PW to a certain value at 160uS then! Widely-Used circuit simulation program in section 3 of Basic Design Flow except that there is No 5V amplitude signal specified.