Vacuum tube
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1995.0623.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- TR SWITCH/X BAND
- DATE
- 1971
- ARTIFACT NUMBER
- 1995.0623.001
- MANUFACTURER
- English Electric Valve Co. Ltd.
- MODEL
- B5452
- LOCATION
- Chelmsford, England
More Information
General Information
- Serial #
- 4377
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL/ SYNTHETIC/ GLASS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 6.5 cm
- Width
- 4.3 cm
- Height
- 2.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Radar
- Sub-Category
- N/A
Manufacturer
- AKA
- English Electric
- Country
- England
- State/Province
- Unknown
- City
- Chelmsford
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- PROBABLY THE 1970'S
- Canada
-
Unknown - Function
-
USED AS A SWITCH IN A RADAR DUPLEXER TO ISOLATE THE TRANSMITTER FROM THE RECEIVER. WHEN THE TRANSMITTER EMITS A PULSE, THE TR SWITCH BREAKS THE CONNECTION WITH THE RECEIVER & AFTER THE PULSE LEAVES IT RECONNECTS THE RECEIVER SO THE ECHO CAN BE RECEIVED - Technical
-
THIS TYPE DEVELOPED FOR OPERATION IN A SIMPLE T JUNCTION DUPLEXER WHERE THE POWER INCIDENT ON THE TR TUBE IS HALF THE TRANSMITTER POWER - Area Notes
-
Unknown
Details
- Markings
- ENGRAVED ON SIDE: 'EEV. CO. LTD./ MADE IN ENGLAND/ 8339/4377'/ ON DECALS: 'BS 452' 'INPUT'/ STAMPED INSIDE: 'EEV L/S''T13'
- Missing
- N/A
- Finish
- PART OF BODY PRINTED GLOSSY BLACK/ RED CAP/ UNFINISHED METAL CASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
English Electric Valve Co. Ltd., Vacuum tube, circa 1971, Artifact no. 1995.0623, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1995.0623.001/
FEEDBACK
Submit a question or comment about this artifact.