#n2’s #opamp oscillator shootout. #electronics #hardware
on 02026-06-03#SPICE model of #LM324 #opamp #hardware. #electronics
on 02026-05-01#PDF #appnote from #TI on the quirks of the #LM324 #opamp #hardware. #electronics
on 02026-04-29An interesting #op-amp #electronics design, using the op-amp’s limitations to get a variable low-pass filter with no external capacitors or nonlinearity. 10k from Vin to inverting input, 100k from output to inverting input, grounded noninverting input, and a series combination from ground of a 100-ohm resistor and a 10k pot. Purportedly the pot changes the bandwidth but not the gain, which sounds plausible to me but isn’t obvious.
on 02026-04-24Philbrick’s “Applications Manual for Computing Amplifiers, for Modelling, Measuring, Manipulating, & Much Else” full of #opamp #electronics circuit designs. #PDF
on 02025-08-04