Eric Fontaine ericfont
ericfont
/ circuit-20250630-0259.svg
Created
June 30, 2025 06:59
charge two capacitors and stack them
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ericfont
/ circuit-20250629-0311.svg
Created
June 29, 2025 07:11
opamp cancel offset and charge two capacitors to either input voltage or input voltage minus some reference if input exceeded that reference
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ericfont
/ circuit-20250628-1852.svg
Created
June 28, 2025 22:52
opamp-use-both-as-comparator-stage-with-offset-cancellation-and-as-4x-gain-opamp
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ericfont
/ circuit-20250628-1832.svg
Created
June 28, 2025 22:32
opamp voltage-doubler and conditional subrator...could chain this for each bit of ADC
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ericfont
/ circuit-20250626-0004.svg
Created
June 26, 2025 04:04
capacitor ladder ADC using chained comparators feeding each bit's switch
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ericfont
/ circuit-20250625-0002.svg
Created
June 25, 2025 04:03
pmos+nmos to form 1:2 muxes (i.e. single-pole double-throw switches) for capacitor stacking...pmos gate must be -1.2v lower than source voltage
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ericfont
/ circuit-20250624-0322.svg
Created
June 24, 2025 07:23
capacitor stacking better attempt...at least works
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ericfont
/ circuit-20250623-1904.svg
Created
June 23, 2025 23:04
attempt at capacitor adding with nmos switches
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ericfont
/ circuit-20250622-1214.svg
Created
June 22, 2025 16:13
copy into ground-referenced capacitor
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ericfont
/ circuit-20250622-0330.svg
Created
June 22, 2025 07:30
saner, reduced switch method of getting voltages with both polarities for all powers-of-two
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