Jan 25, 2014 · I need spice model for LM2576 (& Lm2575 also) I searched the net and manufacturer site, but couldn't get it. can anyone please help me? nb.: I would add it to Lt …

Jun 15, 2017 · Hi.. I am trying to simulate a Totem pole Boost PFC circuit using GaN switches on LTspice. I am unable to achieve the DC output and the circuit is also not boosting up the input …

Sep 15, 2017 · I am having trouble getting LTSpice to simulate oscillations. I drew a schematic of a simple DC source and resistor circuit to make sure I could get the software to work, and after …

Oct 30, 2016 · I am building a project where I need to simulate a single Charge/Trigger coil of an AC CDI. My thinking is to convert a Hall sensor output to obtain pulses, both positive and …

Jul 28, 2009 · Hello My problem is that I download LM317 Spice model from yahoo,when I copy this model to another circuit which a simple voltage regulator and simulate this circuit,but there …

Apr 22, 2008 · I'm using SPICE to simulate a circuit with a fair amount of complexity. The actual circuit has a light controlled resistor in it which is crucial for correct operation. The light that …

Mar 27, 2015 · Hello I tried to simulate a NTC thermistor with Orcad Pspice lit. following some models found on the web, I replaced the NTC by a VCCS with gain depending on TEMP. …

Apr 6, 2012 · The problem is the opamp symbol needs a model. You need to add the Spice directive ".lib opamp.sub". That includes the ideal op amp model.

Oct 19, 2011 · How to simulate complex (non-library) components anso-engineer Jan 31, 2025 Circuit Simulation & PCB Design Replies 4 Views 5K Feb 1, 2025

Feb 17, 2025 · You can simply add an NPN transistor across one pair of Es in each switch with the emitter to the ground plane, the collector to the pulled up E, and drive the base with your …