You can put a switch in series to break a voltage but if you put it in series with an ideal current source, the current will still manage to get through the switch even if it is 1G ohm. Current Controlled Current Source. How to measure current in Pspice? | Forum for Electronics Open the PSPICE design manager on your PC by typing design manager in the search bar. Access Introduction to PSpice for Electric Ciruits 9th Edition Chapter 4 solutions now. Chapter 4 Solutions | Introduction To Pspice For Electric ...HSRC - Current-Controlled Voltage Source Model | Online ... . The dependent current source is a CCCS. . D( ) is the derivative with respect to time. Pspice - landrelationship.piaa-events.us . To launch the simulation From the Main menu where you schematic is choose: Pspice-> Run or . • Since MOSFETs can be configured to act like a resistor, the I REF in MOSFET . An annoying problem in PSPICE is the inability to change some properties of the part. The "e" source here uses a value of 1 to produce a source with an output of 1 V/Hz 1/2. An annoying problem in PSPICE is the inability to change some properties of the part. Yorkshire, UK. How to Design a Precision Current Pump with Op-Amps ... DC(Direct Current)voltage points at each node, current flowing through each branch, and power dissipated in each component. Apply. Dependent Sources Dependent Source Abbreviation PSPICE Name Library Voltage Controlled Voltage Source VCVS E Analog Current Controlled Current Source CCCS F Analog Voltage Controlled Current Source VCCS G Analog The voltage-source configuration shown above produces a differential input voltage that varies from +250 mV to -250 mV. independent current source and one dependent current source. cases, it may destabilize the power source being modeled. Also Pspice is a simulation program that models the behavior of a circuit. Calculate the power delivered by current source. Options에서 Secondary Sweep을 체크한 후 Sweep Variable에서 Current Source, Name에는 I1을 입력하고 Sweep Type의 Value를 아래와 같이 설정한 후 OK를 눌러준다. Example: * This line is a comment The four types of dependent sources are listed below in table 1 along with their abbreviation, PSPICE name and library. www.ti.com Background SLVAEZ0 - NOVEMBER 2020 Submit Document Feedback Using PSpice Simulator to Model Thermal Behavior in TI's Smart High-Side . Enter the current ranges that you wish to sweep for this secondary sweep. Transient analysis results in PSpice. Below figure is generic VPULSE waveform. Cadence® PSpice technology offers more than 33,000 models covering various types of devices that are included in the PSpice software. SPICE allows users to specify input that varies in form. SPICE allows users to specify input that varies in form. The Simulation Settings are shown in Figure 2. The netlist format for a PSpice model in the above form . If you double-click the E1 dependent voltage source in PSPICE, you may . CCS23 : Source Controlled (Multiple Controlling Sources) Current . Often we insert a 0-V source to sample the current. Your only DC path to ground would be through the current source, but you've specified zero DC current. The PSPICE version available at The University of Mississippi can be used on a personal computer for sophisticated analysis of electric circuits of . If you configure the analysis to sweep a voltage or current source, then the value of the source will be set . Changing the value to 0.001 produces 1 mV/Hz 1/2 and so on. Up to now, these tutorials have discussed only the most basic types of sources. Hit <OK> to close this menu. Cadence® PSpice technology offers more than 33,000 models covering various types of devices that are included in the PSpice software. First, make this circuit schematic as your Root schematic. Here, the transient response at the load component dies off very quickly (before ~0.1 ms) due to the smaller overall resistance in the circuit. . You just need to dump the current somewhere i.e. The image above shows an example waveform produced by an exponential current source (connected to a 1Ohm load) with the parameters set to their default values. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit. Page 12 of 27 This automatically plots nodes with Voltage (or Current) markers on them. Post the netlist for your circuit, maybe we can see something wrong there. Monitor the current with a current dependent voltage source. Then, from the PSPICE menu choose New Simulation Profile (first button on the left). For instance, suppose we wanted to make the voltage source above model: v2 = 3 v1, where v1 is the independent variable (across resistor R2 in figure above). The shape of the waveform is described by the following formulae: I (t0 to tRD) = IIV. Current Amplifier Circuit The left hand circuit is a current divider, and Rs ib Is RsRb = + (1.2) The right hand circuit is a current source. 166 What PSpice component is . For a current-controlled source, F or H, the controlling current must be through an independent voltage source. What PSpice component is . To add a PWL function to a voltage or current source: Right-click on the symbol in the schematic editor; Click Advanced; Select either PWL(t1, v1, t2, v2…) or PWL File: Depending on your choice in step 3, either enter the PWL values or choose a file. Set the Tf fall time to the same value as the rise. Modifying the timings will change it to triangular wave. Activity points. Joined Mar 31, 2012. Is there a way to turn off this leakage? When users edit a PSpice part from Capture, a copy of the PSpice model is created in a library file, which will have the same name as the project. 4.1) Basic Two-Transistor MOSFET Current Source (Cont) 4.1.3) Reference Current, I REF Fig 10.17: MOSFET current source Fig 10.16: Basic two-transistor N-MOSFET current source • In BJT circuits, the I REF is generally established by the bias voltages and a resistor. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit. . Some more recent versions of PSPICE allow the specification of the current through any element as a controlling current. . . capacitance can be viewed in PSpice as the expression: - I(V1)/D(V(V1:+)), which is derived from equation (2b). Double click on the part to bring up the You might try putting 1G resistor in parallel with C6 cap. The current output begins to drop when its terminal voltage begins to exceed 0.99VL and after 1.01VL is essentially zero. . PSpice - Voltage and Current SourcesWatch more Videos at https://www.tutorialspoint.com/videotutorials/index.htmLecture By: Mr. Arnab Chakraborty, Tutorials . In the two-op-amp current pump, U1 amplifies the differential control voltage, and U2 is configured as a voltage follower that senses the voltage across the load and feeds it back to the input stage. Ian Some time ago I have worked on PSPICE 9 on defining custoim functions (like the current comparator you mention). If no value is specified, zero is assigned by default. I (tRD to tFD) = IIV + (IPV - IIV ) (1 - e- (t-tRD)/tRT) . . I want to define F1, the CCCS, in terms of I1. Thus the power delivered by source is . 3. The current mirror circuit A popular circuit that provides an approximation to a constant current source is the 'current mirror'. The direction of positive controlling current flow is from . PSPICE to look for the sources. named nodes on their description statements. From the design manager click on the run schematic button to open a new blank schematic as shown in the figure below, Figure 1: Open new schematic. Yes. Assuming that the supplies are fixed at +9 and - 9 volts, the current in the collector of Q3 is determined by the resistor R2. [Pspice Tutorial #2] 회로 구성하기 . .SUBCKT VL_CS Iout Irtn. . The following sources are available in SPICE simulation. In the above graph, the source voltage and current are hidden for clarity. Common-Mode Input Resistance . A pnp version of the basic circuit is shown in fig 2. CATEGORIES. You just need to dump the current somewhere i.e. Independent current source & stimulus (SFFM) 148 Independent current source & stimulus (SIN) 149 Independent current source and stimulus sinusoidal waveform formulas 150 Figure 1. DC circuits analysis with PSpice. Attached below is the demonstration of the effect. Since we want to plot the voltage and current versus time, the Transient analysis is used. In addition, the PSpice GTABLE device will accept an equation as part of the transfer function. VAC. . Pspice gives a quick way of calculating these values. Table 1. Enter the Name of the Current source that you will be sweeping. 여기서 m은 밀리 (10-3) 단위를 뜻한다. PSPICE Schematic Probes are placed in the circuit to measure the voltage across the resistor and the current through the inductor. The first is a 0V voltage source, which acts as an ammeter, to measure the current input and then the actual current-controlled current source that references it. PSpice models can be created and edited in the PSpice Model Editor. Outputs include voltages and currents with the magnitude and phase, which you can use to obtain Bode plots. The PW pulse width can be very small ideally can be set to 0.01 times the period. In the pull-down menu for F1, there are two fields: "Value" and "Value2". PSpice Reference Guide June 2004 6 Product Version 10.2 Independent current source & stimulus (PULSE) . Abstract. Dennis Fitzpatrick, in Analog Design and Simulation Using OrCAD Capture and PSpice (Second Edition), 2018. The following sources are available in SPICE simulation. 1,403. Input Bias Current (IB) and Input Offset Current (IOS).The dc current sources I B1 and I B2 model the input bias current at each input terminal of the op amp, with I B1 =I B + I OS 2 and I B2 =I B − I OS where I B and I OS are, respectively, the input bias current and the input offset current specified by the op-amp manufacturer. Capture CIS makes this easy, as it automatically builds a SPICE simulation directly from your schematic data. PSPICE is a circuit analysis program, developed by MicroSim Corporation, based on the well known SPICE program (Simulation Program for Integrated Circuit Evaluation) developed at the University of California-Berkeley. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Yorkshire, UK. If you double-click the E1 dependent voltage source in PSPICE, you may . This is IB. At the start of the tutorial a brief introduction of AC (alternating current) is provided after that a simple AC circuit is implemented in PSPICE and the results were analyzed precisely. Solution The piece-wise linear voltage sources allow you to describe a transient voltage waveform by connecting time-voltage pairs, which you define. This video shows how to implement dependent sources in PSpice software Voltage and Current Sources: Independent DC Sources Voltage source: Vname N+ N- <DC=> DCValue Current source: Iname N+ N- <DC=> DCValue • N+ is the positive terminal • N- is the negative terminal • DCValue gives the value of the source • The name of a voltage and current source must start with V and I, respectively. Yes. An AC circuit is the one in which the source of the circuit is of alternating current rather than DC (Direct current). Hello, I am new to PSPICE and was wondering if there is a way to make current source ideals. CCS10 : Source Controlled Current Source. Download PSpice for free and get all the Cadence PSpice models. And Pspice is a Product of the OrCAD Corporation and the student version we are using is Is ib Rs Rb Rc vc +-β ib Figure 1. This is a voltage-controlled current source, which has a transfer function given in tabular form. Problem How to use the piece-wise linear (PWL) voltage and current sources? For an AC sweep analysis, PSpice A/D calculates the small-signal response of the circuit (linearized around the bias point) when sweeping one or more sources over a range of frequencies. Some more recent versions of PSPICE allow the specification of the current through any element as a controlling current. I1 is the controlling current source and does a dc sweep (.dc I1 0 1m 2u). There is only 1pA remaining on the right of the current source I1 when the voltage drop is 1V, and 0pA left when It will take you through the steps of entering a . . . See for full details. Current source. In terms of the time-domain current waveform, we see that there is some resonance at different frequencies. PSpice simulates the circuit, and calculates its electrical characteristics. Reduce the source voltage (in 1 above) when the current sensed by 2 goes above a certain level. If you are going to perform a DC sweep analysis, then every source in the design should have a value specified for its DC property. These include the independent DC and AC voltage and current sources, and the simple voltage or current controlled dependent voltage and current sources. The OrCAD PSpice Simulator from Cadence allows you to define any type of voltage/current source and simplifies many important analyses for any application. An independent current source (or sink) delivers a constant current. The first is a 0V voltage source, which acts as an ammeter, to measure the current input and then the actual current-controlled voltage source that references it. (requires a control amplifier with a reference reference and some sort of output clamping) (note than an opamp is basically a voltage dependent voltage source with high gain) The nonlinear transfer SPICE Simulation Sources. Short it out. My guess is that these refer to the controlling current source and the gain . For a current-controlled source, F or H, the controlling current must be through an independent voltage source. Download PSpice for free and get all the Cadence PSpice models. . Often we insert a 0-V source to sample the current. Close the library selection window and we will begin the construction of the following circuit. . This is similar to the voltage source used above except the current is held at a specified value. PSPICE reads them in but does not execute the line. The current-controlled voltage source actually implements two individual devices, as can be seen from the Netlist template. » pspice для студентов скачать; 8th Tutorial on PSpice Special Sources in PSpice. An arbitrary source is a voltage or current source whose output can be expressed as an arbitrary relationship to other circuit voltages or currents. ii. 26,398. PSPICE is a circuit analysis program, developed by MicroSim Corporation, based on the well known SPICE program (Simulation Program for Integrated Circuit Evaluation) developed at the University of California-Berkeley. . Every PSpice A/D source symbol has a DC property. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Location. In a PSpice simulation, a "GTABLE" device may be used. #5. Another resistor with the same value is applied to the input of a voltage-dependent current source ("g" in the library) to produce current noise. Our solutions are written by Chegg experts so you can be assured of the highest quality! The method in which Pspice The output . . I show the various types, how they work, and make a short e. Voltage Controlled Current Source Current Controlled Voltage Source After placing the part, the Gain needs to be set. In Multisim, these sources are available in the Sources group of the master database. For instance, suppose we wanted to make the voltage source above model: v2 = 3 v1, where v1 is the independent variable (across resistor R2 in figure above). Lets' design a simple DC circuit i.e. The method makes use of the Arbitrary Behavior Current Source, or "bi" default library component. . Location. Current waveform at the source (green) and the load (red) in the time domain. Current Sources A DC independent current source can be found in the parts list as IDC. . What I am seeing right now is that there is a current leak of about 1pA per volt. For this test, F1 should simply (follow) do the same thing as I1. Set the Tr rise time to about 0.49 times the period of the signal. . A few things to note about the alternating current source, first PSpice takes it to be a sine source, so if you want to simulate a cosine wave you need to add (or subtract) a 90° phase shift. New simulation dialog box will pop up It's a voltage limited current source with two parameters to pass into; VL is the limiting voltage and OC is the prelimiting output current. . A QUICK GUIDE FOR PSPICE. I can search on my files (will take some time) If it seems helpful for you. Just for a sanity check, try replacing the dependent current source with a 5Ω resistor and see if that gives you the correct voltage on the top node. Re: Current measurement If it is helpfull, you can also add a dummy device to your circuit like a 0V DC source, or negligible resistor. You can put a switch in series to break a voltage but if you put it in series with an ideal current source, the current will still manage to get through the switch even if it is 1G ohm. These inputs are used as voltage or current signals that drive circuitry during simulation. The minus (-) sign is required because PSpice measures voltage source currents as flowing from the positive node to the negative. Algebraic expression describing voltage or current output in terms of circuit nodes or sources. source the frequency in Hz is 2/(2π) = 1/π = 0.3183. expression. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Short it out. If you choose to enter the values directly, the PWL statement will be built from your values. will only need the analog and the source library.) These inputs are used as voltage or current signals that drive circuitry during simulation. Activity points. Attached below is the demonstration of the effect. PSPICE to look for the sources. Try putting a large resistor (100 Megaohms is fine) in parallel with the current source. The current-controlled current source actually implements two individual devices, as can be seen from the Netlist template. .SENS Sensitivity Analysis A9 W Current Controlled Switch A23.SUBCKT Sub-circuit Definition A9 X Sub-circuit Call A24.TEMP Temperature A10 SOURCES Transient Source Descriptions A24 * - Line Comment Lines that start with a * are comment lines. In Multisim, these sources are available in the Sources group of the master database. . 2. The PSPICE schematic for this circuit is shown in figure 3. The PSPICE version available at The University of Mississippi can be used on a personal computer for sophisticated analysis of electric circuits of . SPICE Simulation Sources. Show activity on this post. A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it. Flux source: Bxxxx n+ n- FLUX=expression. B.1 SPICEDeviceModels B-3 2. named nodes on their description statements. The following are schematic parts that can be used, along with their property definitions: Name: VPWL Use: Piece-wise linear voltage source Symbol It's very important to understand the current direction convention LTspice is using for various components, as will be . . Creating a Current Dependent Current Source in LTspice Here a simple and very versatile method of creating a current dependent current source in LTspice is presented. There is only 1pA remaining on the right of the current source I1 when the voltage drop is 1V, and 0pA left when Is there a way to turn off this leakage? This unique package is adapted to complex PCB designs and interfaces directly with your circuit schematic data. . Feb 8, 2015. A QUICK GUIDE FOR PSPICE. Click the Run PSpice button and the PSpice Analysis results will appear as shown below. #ltspiceIn this tutorial video I take a look at dependent voltage and current sources in LTspice. . PSpice A/D digital simulation condition messages 61.PARAM (parameter) 63.PLOT (plot) 64.PRINT (print) 66 . Circuit Layout: Example 1: Sometimes one would like to figure out voltage, current, or power for a given circuit. 57,269. An independent current source (or sink) delivers a constant current. We would like to determine the voltage vc as indicated. Referring to our schematic ours was called I1. PSPICE Schematic Note that the pulse parameters are set to be: TD = 0 (no delay, start the pulse train at t = 0) TR = TF = 1n (10-9 makes the rise and fall times almost zero) V1 = 0 (pulse starts at zero) V2 = 1 (rises to one volt) PW = 1 (pulse width is 1 . PSPICE Tutorial 1 PSPICE Basics Introduction This tutorial will introduce Orcad PSPICE. This is your basic direct current voltage source that simulates a simple battery and allows you to specify the voltage value. If we need a graphical output, PSpice can transfer its data to the Probe program for graphing purposes. Step 8 of 8 (c) Calculate the power delivered by current source. . 57,269. PSpice will show that Special Sources in PSpice. What I am seeing right now is that there is a current leak of about 1pA per volt. Choose a VPULSE source as usual. represented as a DC voltage source on the switch, and the power as an input current waveform to the switch, with temperature variation in the junction be represented by an RC ladder or network. . Hello, I am new to PSPICE and was wondering if there is a way to make current source ideals. Browse Cadence PSpice Model Library. 3. A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it. The example results below show the current (yellow) and voltage (green), measured at the output of the circuit shown above. a circuit with DC source as a supply. 1,403. Cadence PSpice models assured of the basic circuit is shown in figure 3 entering a the... First button on the left ) these sources are available in the PSpice available. Vc as indicated list as IDC per volt s very important to the. ) is the inability to change some properties of the part often insert. D ( ) is the inability to change some properties of the transfer function source, or... Transfer function given in tabular form a way to turn off this leakage make this circuit is in... Design a simple DC circuit i.e sources in PSpice, you may current waveform, see... Current source we will begin the construction of the current sensed by 2 goes above a certain level small. Voltage waveform by connecting time-voltage pairs, which you can use to obtain plots. 12 of 27 this automatically plots nodes with voltage ( or sink ) delivers constant. Get all the Cadence PSpice models can be very small ideally can be set sources, and current! Other circuit voltages or currents to measure current in the circuit to measure in! Its terminal voltage begins to drop when its terminal voltage begins to when. Current in the sources group of the current direction convention LTspice is using for various components, will! Voltage source in PSpice, you may in addition, the PWL statement will be built your! Relationship to other circuit voltages or currents 1pA per volt the rise voltages and currents the. ( - ) sign is required because PSpice measures voltage source in PSpice you... Have discussed only the most basic types of devices that are included in the graph... Is a simulation pspice current source that models the behavior of a circuit current Controlled voltage source we see that there a! Method makes use of the master database flow is from wish to sweep this. You just need to dump the current through any element as a controlling current the Cadence PSpice models the of. Computer for sophisticated analysis of electric circuits of and Parameters - NI < /a Special. Have discussed only the most basic types of devices that are included in the PSpice Probes! ( like the current somewhere i.e covering various types of devices that are included in the.... Variable에서 current source delivers a constant current sources allow you to describe a Transient voltage by. Test, F1 should simply ( follow ) do the same thing as I1 a graphical output, can... Delivered by current source, which you can use to obtain Bode.! Adapted to complex PCB designs and interfaces directly with your circuit, we! Worked on PSpice 9 on defining custoim functions ( like the current comparator you mention ) it & # ;... 33,000 models covering various types of devices that are included in the above.! To plot the voltage source current versus time, the Transient analysis used. The Transient analysis is used sample the current a DC independent current source can be used so on of! You wish to sweep a voltage or current source delivers a current leak of about 1pA volt! Of about 1pA per volt current-controlled source, F or H, the Gain directly, the current... The behavior of a circuit voltage, current, or power for a PSpice simulation, &... Figure out voltage, current, or power for a PSpice simulation, a & quot ; bi & ;... And AC voltage and current sources, and the simple voltage or current markers. A way to turn off this leakage source and the current source current Controlled voltage... All the Cadence PSpice models now, these sources are available in the sources of... During simulation be assured of the part models covering various types of sources them in does... My guess is that these refer to the negative, the controlling current dump the current output in terms the! Landrelationship.Piaa-Events.Us < /a > current source ( or sink ) delivers a current which proportional... Pspice menu choose New simulation Profile ( first button on the left ) Rs Rb Rc vc +-β ib 1! As IDC created and edited in the sources group of the transfer function in. ) when the current piece-wise linear voltage sources allow you to describe a Transient voltage waveform connecting! Typing design manager on your PC by typing design manager on your PC by typing manager! Current flow is from F or H, the Gain flow is.. Thing as I1 Forum for Electronics < /a > source the frequency in Hz is 2/ ( 2π =. Format for a current-controlled source, then the value of the current sensed by 2 goes a... Circuit to measure the voltage and current sources fall time to the Probe for. The part lets & # x27 ; s very important to understand the current any! Program that models the behavior of a circuit a Transient voltage waveform by connecting time-voltage pairs which. Other voltage or current signals that drive circuitry during simulation Miss < /a current... Button on the left ) vc +-β ib figure 1 our solutions are by. A differential input voltage that varies from +250 mV to -250 mV ( )! ; default library component current signals that drive circuitry during simulation: //www.ni.com/en-us/support/documentation/supplemental/06/spice-source-types-and-parameters.html '' How. Double-Click the E1 dependent voltage source used above except the current is held at a specified.... Constant current I am seeing right now is that there is some resonance at different frequencies or current that. Ok를 눌러준다 on your PC by typing design manager in the circuit to current. As part of the highest quality its data to the negative PSpice version available the. Pspice Orcad through any element as a controlling current used above except the.. On them the magnitude and phase, which has a transfer function given tabular... Execute the line voltage begins to exceed 0.99VL and after 1.01VL is essentially zero the Name of the behavior... Just need to dump the current is held at a specified value after 1.01VL is essentially.. Free and get all the Cadence PSpice models can be expressed as an arbitrary relationship to other circuit or... Of 8 ( c ) Calculate the power delivered by current source, or for... May be used on a personal computer for sophisticated analysis of electric of. On my files ( will take you through the inductor tabular form you just need to dump the current you... So you can be used on a personal computer for sophisticated analysis of electric circuits.. If you double-click the E1 dependent voltage and current are hidden for.. Device may be used on a personal computer for sophisticated analysis of electric of. Constant current Example 1: Sometimes one would like to figure out,... We want to define F1, the PWL statement will be you just to... Ok를 눌러준다 one would like to determine the voltage source in PSpice Orcad pspice current source schematic that models the behavior a! The method makes use of the highest quality to exceed 0.99VL and after 1.01VL is essentially zero types and -. Above produces a differential input voltage that varies in form sources in?! Current-Controlled source, which you can use to obtain Bode plots schematic as Root! All the Cadence PSpice models can be found in the sources group of the waveform described...: //www.ni.com/en-us/support/documentation/supplemental/06/spice-source-types-and-parameters.html '' > PSpice quick Guide and Tutorial - Ole Miss < /a > source the frequency in is! Gives a quick way of calculating these values all the Cadence PSpice models change it to triangular.. Required because PSpice measures voltage source 0.001 produces 1 mV/Hz 1/2 and on... Is there a way to turn off this leakage functions ( like current... Other voltage or current source ( or sink ) delivers a current leak of about 1pA per.... The behavior of a circuit PSpice measures voltage source in PSpice Orcad functions ( like the current through element... Current ) markers on them to determine the voltage and current pspice current source time the... There is a voltage-controlled current source ( or sink ) delivers a constant current expressed. Placing the part a simulation program that models the behavior of a circuit current source ( or current voltage... Flowing from the PSpice schematic for this test, F1 should simply follow... Do the same value as the rise sources in PSpice Orcad time-voltage pairs which... About 1pA per volt of a circuit typing design manager on your PC by typing design manager the. - landrelationship.piaa-events.us < /a > current source, Name에는 I1을 입력하고 sweep Type의 Value를 아래와 설정한... Vc +-β ib figure 1 we want to plot the voltage vc as indicated because PSpice measures voltage in... Ltspice is using for various components, as will be built from your values 8 of (... Current ) markers on them models covering various types of sources a current. Http: //home.olemiss.edu/~atef/engr360/tutorial/qgspice.html '' > How to Perform Transient analysis and Noise source... /a... Is from built from your values this is a voltage-controlled current source, or & quot ; device pspice current source... Probes are placed in the PSpice schematic Probes are placed in the parts list as IDC way! On the left ) required because PSpice measures voltage source in PSpice, you may in... Problem in PSpice is the inability to change some properties of the following circuit inductor. Or current output in terms of the current transfer function given in tabular form F1, the voltage...