Analog Computers on YouTube.

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Jan 29, 2026, 11:24:01 PMJan 29

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I tossed together a small playlist of analog computing YouTube videos.

Feel free to post links to others here. (I might have time to add them to the playlist above).

John Calhoun—

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Mar 10, 2026, 4:38:19 PMMar 10

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Another new analog computer build: MARB-1. This one based on Dr. Vogel's machine.

Specs:

• Runs on ±15 volts,

• All op-amps have null-offset adjustment

Complements:

• (2) Adders: (2) 1× inputs, (1) 10× input, SUM output, LF356's

• (2) Multipliers: based around the AD633 chip and its behavior/inputs

• (2) Integrators: (1) initial-condition input, (1) 1× input, (1) 10× input, 1µF feedback cap., LF356's

• (2) Multi-purpose op-amps: LF356's

• (2) Coefficient multipliers

• (1) Triangle and Square wave generator: LF353's

• (1) Sine function generator: using diode-resistor shaping, LF353's

• (4) +15V reference voltages

• (4) -15V reference voltages

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