Aug 29, 2011 · i have downloaded LM324_unisym_test from yahoo groups **broken link removed**, and it is .asc file, when i click the icon it opens itself in LT spice and says "LM324 …

May 25, 2010 · So what are the big differences/similarities between LM324 and LF347 Op-amps? I just want to understand them a bit more, and it would be great if someone can help.

Mar 10, 2025 · A pcb made according to the schematic (attached below) uses LM324 opamps. With no input signal to the current transformer pin 3 should be low, and pin 2 follows feedback …

Dec 6, 2010 · The datasheets for the LM324 quad opamp and LM358 dual opamp show a VCO circuit that goes from a very low frequency growl to a fairly high audio pitch. An MC34074 …

Nov 7, 2011 · Is an LM324 a good replacement for an LM3900? I couldn't locate one of the latter so relayed my circuit to use an LM324 instead, well it doesn't work, i checked my output from …

Feb 12, 2008 · I once had a diagram to built a Voltage Control Oscillator out of a LM324. I dont found it anywhere. I try to google without luck. Anyone got a LM324 VCO circuit and shared it …

May 4, 2019 · I checked the power supply for oscillations using the attached schematic for generating a square wave signal. I used as a load a 4.7R resistor rated at 5W. I used 1N4007 …

Feb 10, 2009 · I admit that this thread title is just to get attention and suggestions from Audioguru, that hates LM324. :) I too hate LM324 but ... but it was a nice device at its times. A lot of years …

Dec 30, 2016 · But, if you really want to use an LM324 oscillator, just say and I will post a schematic for a suitable circuit to replace the LMC555. (8) It would be possible to generate a …

Feb 12, 2025 · The LM324 is an opamp, with a totem-pole output, which will override the timing resistor (s) connected at its output. You need to replace it with a LM339 which does have an …