Lan-Alog Type LA-4

The Lan-Alog computer was designed to teach analogue computing techniques to students in mathematics, engineering, and applied sciences. The computer contains four encapsulated operational amplifiers, employing silicon epitaxial transistors and a voltmeter. The various components can be connected in a variety of ways using patch cords.

The amplifier fitted in the Lan-Alog LA-4 has an open-loop gain of 50,000, ensuring a basic computing accuracy of better than 1% per amplifier. The overall accuracy of computation also depends on the quality of the resistors and capacitors used - the Lan-Alog manual claims beter than +/-3% in all conditions.

All components are mounted on a steel panel, measuring 19 x 10.5 inches and the panel is drilled such that it may be fixed vertically on a standard 19-inch rack.

Manufacturer: Lan-Electronics Ltd
Date: August 1968

This exhibit has a reference ID of CH35971. Please quote this reference ID in any communication with the Centre for Computing History.


Lan-Alog Type LA-4

  Book Archive   [2057]
  Games Archive   [10016]
  Software Archive   [2510]
  Peripherals   [1444]
  Promotional Items   [654]

Click on the Image(s) For Detail

User Submitted Articles

Add Your Article >>>

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund