Eric Fontaine ericfont
ericfont
/ circuit-20251113-1516.svg
Created
November 13, 2025 20:16
try RC low ~20Hz integration in opamp feedback with .1mH+300ohm LR integration of PWM feedback
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ericfont
/ circuit-20251113-1448.svg
Last active
November 13, 2025 19:52
try overlapping RL and RC poles aroudn
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ericfont
/ circuit-20251113-1357.svg
Created
November 13, 2025 18:56
integrate feedback using inductor fed into lowpass filter that mixes with input
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ericfont
/ circuit-20251113-1203.svg
Created
November 13, 2025 17:02
try opamp lowpass integrator feedback plus opamp 20kHz lowpass summed with input
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ericfont
/ circuit-20251112-2308.svg
Created
November 13, 2025 04:20
combine 1Hz integrator & 20kHz lowpass into one opamp
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ericfont
/ circuit-20251112-1816.svg
Created
November 12, 2025 23:16
so really not precisely "double-integral" but has one pole at origin and a second pole in negative real axis
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ericfont
/ circuit-20251111-1343.svg
Created
November 11, 2025 18:43
double-integral PWM delta modulation
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