Artifact Details

Title

Elliott 803B British Germanium Transistor Computer circuit board

Catalog Number

X278.83A

Type

Physical object

Date

1963 ca.

Manufacturer

Mullard- Ltd.

Place Manufactured

U.K.

Identifying Numbers

Other number 5186 Handwritten on component side
Other number A9804 A9862/A A9863/A Scratched in on component side
Other number PC 130/2 On circuit side
Other number TQ5-102 On metal plate on circuit side
Other number TQ5/192 P20409 On component side

Dimensions

overall: 7/8 in x 17 in x 10 3/4 in

Description

TQ5 unit from ELLIOTT 803B Germanium Transistor Computer. This unit generated inhibit signals for the control of the core memory. It received the signal from the TH2 unit. 40 parallel inhibit bits were required. Modular construction was used for economy & to save space. Each board has two transistors & one transformer.

Category

Component/module

Credit

Gift of Mr. Soper

Lot Number

X278.83