Eric Fontaine ericfont
ericfont
/ circuit-20251121-0040.svg
Created
November 21, 2025 05:39
triple-derivative oscillate around 56kHz
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ericfont
/ circuit-20251119-2121.svg
Created
November 20, 2025 02:20
2nd-order sallen key lowpass with integrated feedback
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ericfont
/ circuit-20251119-2055.svg
Created
November 20, 2025 01:54
feedback integration with 4th-order sallen-key lowpass ~100kHz cutoff
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ericfont
/ circuit-20251114-1210.svg
Created
November 14, 2025 17:22
feedback oscillates when total loop phase is 0 or multiple of 2pi (i.e. Berkhausen)
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ericfont
/ circuit-20251114-1144.svg
Created
November 14, 2025 16:43
without any resistive losses, the oscillation frequency will gradually decrease as the amplitude of oscillations get bigger
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ericfont
/ circuit-20251114-0113.svg
Created
November 14, 2025 06:14
inverter feedback oscillator has oscillation frequency of 1/(twice the loop delay)
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ericfont
/ circuit-20251113-1634.svg
Created
November 13, 2025 21:32
try with 10Mhz clocked flipflop
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