Adder

Analog Computer Adder 1 Analog Computer Adder 2

This is a dual adder that has the transfer function

f(x, y, z) = -1 * (x + y + 10 * z)

and is implemented with two LF356N. Use the two trimmers to adjust the output voltage to 0V when no input voltages are applied.

Schematic and PCB

Analog Computer Adder Schematic Analog Computer Adder Board

This is the original circuit as described in Dr. Vogels Home Brew Analog Computer , except that a LF 356 is used instead of a LF 355.

Download the schematic PDF

Github octocat Project Files

The analog computer project files are hosted at GitHub:

https://github.com/grappendorf/analogcomputer

Subdirectory:  Adder