Error amplifiers (simple transconductance)
Amplifier 2 (pins 3,4) -> also to COMP G_EA2 0 6 VALUE 0.001 * (V(3,4)) tl494 ltspice
This article is your definitive guide to using the . We will cover where to find a reliable model, how to set up common topologies (buck, boost, push-pull), and how to troubleshoot typical simulation errors. Include Directive
Create a triangular/saw waveform using a behavioral voltage source from time Eosc OSC 0 VALUE V(VOSC) Bdummy VOSC 0 V = sin(2 pi 10000*time) ; simple test waveform (replace with proper RT/CT model) such as /Documents/LTspiceXVII/lib/sym/Misc/
* TL494 Behavioral Model for LTspice .SUBCKT TL494 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 * Pins: 1(IN1+) 2(IN1-) 3(FB) 4(DT) 5(CT) 6(RT) 7(GND) 8(C1) 9(E1) 10(C2) 11(E2) 12(VCC) 13(OUT_CTRL) 14(VREF) 15(IN2+) 16(IN2-)
) file into the LTspice library subfolder, typically located at /Documents/LTspiceXVII/lib/sub/ Move the Symbol File : Place the file into the symbols folder, such as /Documents/LTspiceXVII/lib/sym/Misc/ , to make it selectable in the component menu. Include Directive
