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Questions tagged [pspice]

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8 views

K_linear part description in Pspice

Please someone explains the main parameters used in the k_linear part in pspice , more specifically what is L1 , L2 , L3 and designators in its parameters?
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0answers
30 views

Impedance simulation using Pspice

I am trying to simulate the equivalent circuit of an inductor using pspice 9.1. I need to plot its impedance vs frequency to observe the parasitic behavior. I am new to pspice and I don't know how to ...
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1answer
31 views

PSpice AC Circuit Simulation Showing 0 V for Output Voltage?

I am trying to run a simple Op Amp simulation. My lab gives zero instruction on PSpice, tossed us a brief manual on DC PSpice circuits (even though the class is AC), and said go forth. The circuit I ...
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1answer
39 views

How does work the trigger/start of this buck converter?

Im watching this video but since its in german I dont fully understand the way it works, specially the startup side with the pulse source and the mosfet. Could someone explain me this part of the ...
2
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1answer
153 views

PSPICE - must be 'I' or 'V' error

I'm trying to make a super simple circuit simulation for a class, and I keep getting the same error: ERROR -- Must be 'I' or 'V' Here's the whole log: ...
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0answers
24 views

Problem with simulation of a n- mosfet in pspice

Im trying to make a simulation based an a DC sweep from this circuit But at the moment of simulation I receive this warning WARNING: [NET0093] No PSpiceTemplate for M4, ignoring And it does ...
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0answers
40 views

OrCAD Capture quit unexpectedly

I'm doing a project using OrCAD. I reopened the .opj file that I saved last time and didn't see the schematic I was working on last time. So I clicked on the page1 icon under schematic1 and capture ...
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0answers
58 views

Simulating a specific MOSFET circuit in PSPICE

I want to simulate this circuit in PSPICE (to get approximate output waveform (\$v_o\$)) simulate this circuit – Schematic created using CircuitLab Here, \$v_{in}=0.2 \sin(wt) , \$ & ...
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0answers
24 views

How to calculate or show in matlab/pspice the DC component from a circuit simulation?

Based on Pspice I'm simulating this RL full wave rectifier That gives the next voltage and current output at the showed probe point The idea is to extract the DC component of the current or voltage, ...
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1answer
35 views

Help converting PSPICE .lib with multiple subcircuits to LTSPICE

I'm trying to convert an unencrypted PSPICE buck converter model (http://www.ti.com/product/LM2678/toolssoftware) from TI. I translated the top subcircuit based on these steps: https://www.analog.com/...
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0answers
32 views

How to convert maxim MAX9650 pspice file to LTspice compatible file?

I am trying to simulate the opamp MAX9650 in ltspice with the model provided here: https://www.maximintegrated.com/content/dam/files/design/tools/modeling-simulation/pspice/MAX9650.FAM I changed the ...
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0answers
12 views

Pspice circuit export as a model with .lib extension

I have designed one circuit in orcad pspice now I want to export that as a .LIb model to import that in ansys twin builder. Please tell me how to export the pspice circuit in a model.
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1answer
49 views

PSpice - simulation worst case - delay on AND gate?

I have a question to someone who is familiar with PSpice analysis. I have a simple circuit as below and everything works good with "typical" simulation - dstm1 gives positive impulses continously and ...
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0answers
31 views

transient output file option in pspise

I want to save my simulation result in capture every 100us and export them in text file. I went to simulation settings>Analysis>output file option and changed print values in output file every 100us (...
0
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1answer
34 views

Sine source outputting wrong signal

I was trying to simulate a circuit on Capture CIS lite, but I kept getting an output signal which was nothing like I expected. When I tried putting the probe on the sine source, it seems like the ...
0
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1answer
36 views

Op Amp Tutorial Pspice missing value

I have this code below for a Amp Op Tutorial from this youtube video: https://www.youtube.com/watch?v=3qE3gL7XbT4. I get the error below for missing value but unsure what is the problem. I'm new to ...
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0answers
32 views

What is the Correct method to find the poles and zeros expressions?

What is the Correct method to find the poles and zeros expressions ? This is a replica circuit method used to calculate loop gain, please only consider the above part. I used pspice to find the bode ...
0
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1answer
46 views

How to break this multistage feedback amplifier to find loop gain Aβ ? (I'm using pspice)

by hand calculation I know that loop gain Aβ of this (current-current) circuit is 30, I tried to break this circuit and add Vtest to it , and setting input to zero but I didn't get a result that match ...
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4answers
68 views

What is a fast built in op-amp to use in OrCAD Pspice Capture? Or how can I design one?

I am trying to simulate a 100 kHz FitzHugh-Nagumo oscillator in OrCAD Pspice capture (this paper gives the motivation for the configuration, but is for a 180 Hz oscillator, https://ieeexplore.ieee.org/...
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0answers
60 views

Simulate H Bridge in Pspice

I want to simulate an H-bridge in pspice but it doesn't work and Z3 and Z6 (High side and low side IGBTs) can not drive at the same time. Here is my schematic
0
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1answer
39 views

Interpretation of Time Domain simulation output

I have the following circuit and I want to know the voltage on each node and the current on each loop. I've run the Time Domain simulation (I'm not sure of the differences between this and Bias Point ...
2
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1answer
179 views

ERROR(ORPSIM-16492)

I am new to PSPICE as well as the community and i'm trying some circuits given by my professor for an assignment. I've completed most of them which helped me in understanding how the software works ...
0
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1answer
47 views

MOSFET Differential Amplifier voltages via PSpice and by hand

I want to do an analysis on a differential pair and there is a problem when the pair is in common-mode, at least that's what PSpice says. I find that \$V_{DS}\$ of both MOSFETs is 1.1V and PSpice ...
0
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1answer
31 views

How to Reconfigure a Current Sense Amplifier Pspice Model

I downloaded the .lib Spice library for the MAX4172 and imported it into OrCad, available from: https://www.maximintegrated.com/en/products/analog/amplifiers/MAX4172.html/tb_tab2 The library file ...
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1answer
61 views

PSPICE graphs work separately for subcircuits, wrong when combined?

I'm working on a pulse generation circuit that will be used to drive an ultrasonic transducer. The following circuit is giving an unexpected output. It might look complicated, but really it can be ...
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2answers
49 views

Is Cadence unable to simulate AC to DC converters using simple full bridge rectifier?

I've tried several different topologies, such as the full bridge rectifier and the following which I've successfully tested on other simulators. However, on Cadence I always end up getting static ...
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1answer
35 views

Why does AC/Sweep in Cadence always require a starting and stopping frequency?

It seems as if there is no way to simply test a circuit with an AC voltage source at a single frequency. How does someone test a circuit that plugs into the main voltage at 60Hz? Is it really ...
0
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1answer
36 views

Using PSPICE model of gate-driver from manufacturer

I have found a PSPICE model for a part I'm interested in. ISL55110 Datasheet: https://www.mouser.com/datasheet/2/698/isl55110-11-1302115.pdf Manufacturer PSPICE Model: https://www.renesas.com/cn/zh/...
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1answer
60 views

PSPICE simulation of capacitor voltage and current disagrees with math

I'm testing a simple enough circuit on PSPICE. The zener has a BV = 220V, so the capacitor has a voltage of 220V until the switch closes. Using the time equation for voltage of a capacitor: Vc(t) = ...
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2answers
84 views

Why 7805c Voltage regulator drops the current if the current enters around 13mA to 7mA?

I know there should be voltage and current drop from the voltage regulator but my question is why current drops off ?
1
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1answer
60 views

Gate Capacitance in PSPice

So according to a book example (See Digital Integrated Circuits by J. M. Rabaey example 3.9) I'm trying to determine the Gate capacitance using the following schematics scetch: This comes directly ...
1
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1answer
121 views

Simulation result of bjt cascode amplifier

I use square wave as the input source to my BJT cascode amplifier. However, I got my output voltage as I used transient analysis in PSPICE to obtain the simulation result. Can someone tell me whether ...
0
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1answer
40 views

Spice model search with advanced sorting functionality

Does anyone know of a search engine like Mouser/Digikey where you can narrow down parts based on voltage/package type/etc., but exclude all results without PSpice models? Unless I'm doing it all wrong,...
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2answers
297 views

Transient analysis of square wave using PSPICE

I need to do a transient analysis of my BJT cascode amplifier. I was asked to use VPULSE as the source. I need to set VPULSE for +-10mV, 50% duty cycle square wave at 128 kHz with rise time and fall ...
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0answers
69 views

Midband output voltage of cascode BJT amplifier in PSpice not right

I made a cascode BJT amplifier. \$V_{AC}\$ = 10e-3 V (ACMAG) From an AC sweep at the output, \$R_L\$, I need to get a voltage between 200 mV and 250 mV. However, I got 0 V. Why is this so? Do I ...
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1answer
97 views

Allegro OrCAD Capture: Crashing after DRC check [closed]

Issue: The OrCAD Capture software by Cadence is continually crashing. The version I have is SPB_16.5. Problem: I can run ONE DRC check fine, however; when I run another DRC on my schematic, the ...
0
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2answers
128 views

Issue using pspice .lib in ltspice - Unknown Parameter

I received an unencrypted PSpice model of a TI Boost Converter (TPS43061) and I am trying to use it in LTSpice but I'm getting the following error and I'm not sure what I can do about it. Unknown ...
0
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1answer
71 views

Can Orcade (PSPICE) actually simulate MOV(Varistors)?

I am using Cadence-Orcade Lite. In it I have a circuit in which I want to note the behaviour of varistors (MOV, PSPICE models exist in Orcade for various varistors). I am using LS40K680QP/EPC Model ...
0
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1answer
99 views

Where to find Simulation models of Electrical Components?

i have been working on altium designer to make schematic, pcb and simulate the circuit. I have used some components like Varistor for which simulation model is not present in altium, i tried as much ...
0
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1answer
51 views

How can I simulate limits of active components?

I am using LTSpice to simulate an energy harvesting circuit, so I am very careful with small leakage currents and losses. This circuit is all discretes (Diodes and FETS) and passives. Is there any way ...
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1answer
33 views

Anomalous capaictor discharge in pSpice with transient analysis

I'm doing a Transient analysis of the given circuit.My question is why didn't my capacitor discharge fully,according to the graph?
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0answers
64 views

Simulation not giving proper result in orcad

I tried to simulate TPS61021A boost converter in orcad but not working properly.As per datasheet http://ti.com/lit/ds/symlink/tps61021a.pdf it should give 3.3V output. Received this error is PSPICE A/...
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0answers
335 views

ERROR OrCap Can not initialize PSPICE UI

I have recently installed OrCAD Capture on my new laptop and I am receiving the following error when I try running the simulation: Can not initialize PSPICE UI Is this a known issue? How can I ...
0
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1answer
128 views

Hartley oscillator with ua741 amp in pspice

I'm trying to simulate a hartley oscillator in Pspice using an ua741 amp. The results are not oscillations..I don't understand what's the problem..
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0answers
436 views

Error: “less than 2 connections at node orcad”

I am using orcad 16.6 for the first time. I have made a new library for the memristor, created a new part into it, and associated this new part to the PSpice simulation with one PSpice model. But when ...
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1answer
601 views

PSpice: How do I calculate the voltage drop across a resistor?

I'm searching for a tool that would display the voltage drop across a resistor in PSpice. Is there an element (like a voltmeter) that would help me able to do so?
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4answers
67 views

PSpice, collector emitter voltage is way too big

I'm trying a few exercises with transistor circuits that are later to follow with an amplifier circuits exercises, but although I'm following the instructions that my university has provided and ...
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2answers
148 views

ERROR — Digital simulator not present [closed]

Can you tell me how can I fix this error?
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1answer
148 views

current measuring in the pspice

I am testing my circuit but my result seems to be false, I know something is wrong but I can not find the mistake, any help will be appreciated. with best regards.
0
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1answer
61 views

PSPICE simulation

I have a PSPICE file that contains approximately 200+ transistors. Naturally, simulating the whole circuit everytime I make a change takes a while. Is there anyway to run a simulation measuring only ...