General Information

Serial #

L-2

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL CASING/ SYNTHETIC WIRING/ METAL BASE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

35.6 cm

Width

11.5 cm

Height

11.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Space Technology

Category

Communications

Sub-Category

N/A

Manufacturer

AKA

Hughes Aircraft

Country

United States of America

State/Province

California

City

Torrance

Context

Country

Unknown

State/Province

Unknown

Period

1972: ANIK A1 WAS LAUNCHED NOV. 9, 1972.

Canada

IDENTICAL TO TWT AMPLIFIER USED IN ANIK A1, CANADA'S FIRST COMMUNICATIONS SATELLITE & FIRST COMMERCIAL SATELLITE.

Function

TYPE OF TRAVELLING WAVE TUBE AMPLIFIER USED ON ANIK A1 SATELLITES TO INCREASE POWER TO OUTPUT & HENCE TO ANTENNA FOR TRANSMISSION TO GROUND STATIONS (REF 1)

Technical

ANIK A1 WAS FIRST GEOSTATIONARY DOMESTIC COMMUNICATIONS SATELLITE/ TWT USES ELECTRON BEAM TRAVELLING BETWEEN CATHODE & COLLECTOR. ELECTRONS ABSORB POWER FROM INCOMING SIGNAL & ARE ALTERNATELY SPEEDED UP & SLOWED DOWN RESULTING IN SUBSEQUENT BUNCHING OF ELECTRONS, & INCREASING POWER. THIS TYPE OF TWT USED IN INTELSAT V BUILT BY HUGHES. IT WOULD PRODUCE 6.3 W. FOR INTELSAT & 5 W. FOR ANIKS TO ALLOW FOR MORE TRANSPONDERS (1)

Area Notes

Unknown

Details

Markings

MFR'S DECAL READING 'HUGHES/ HUGHES AIRCRAFT COMPANY/ ELECTRON DYNAMICS DIVISION/ TORRANCE, CALIF. 90509 U.S.A./ TRAVELLING WAVE AMPLIFIER' & 'TYPE 261-H/ SER. # L-2/ NG. LAB'/ DECAL ON CASING READS 'WARNING/ CONTAINS/ BERYLLIA CERAMIC./ TOXIC - DO NOT OPEN/ TUBE PACKAGE'/ 2 DISPLAY LABELS ATTACHED TO BASE READING 'T.W.T./ (TRAVELLING WAVE TUBE)/ TYPICAL SATELLITE OUTPUT T.W.T./ C BAND/ 6.3 WATTS'.

Missing

N/A

Finish

BLACK PAINTED CASING/ MULTICOLOURED WIRING/ GREY ENAMEL PAINTED BASE.

Decoration

N/A