Powerhouse Museum Collection Search 2.53
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Currently on public display
+ By the Light of the Southern Stars Exhibition, Sydney Observatory
User keywords, or 'tags', are words added to object records by other users to enhance their discovery. You can add keywords that may be useful in helping others find this object.

We are experimenting with tagging because sometimes museums describe objects in language that is highly specialist and user added keywords are useful in bridging the 'semantic gap' between the language of the museum and that of the user.

Any keywords listed have been added by other users like yourself. You can click on them to use them as search terms to dicover other objects. User tags
Related subjects lists the broad themes that have relevance to the object you are viewing. You can click these themes to see other objects related thematically. Related Subjects
+ Radio astronomy
Here you can find links to other objects in our collection that belong to the same formal classification categories as the object you are viewing. Similar objects
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'Autogenerated tags' are a new feature that we are testing. These tags are generated by passing the object record through the OpenCalais service from Reuters. This service makes a 'best guess' at the names, places, companies and specialist terminolgy that is in the text of the object records.

By clicking on a tag you can find all other collection records related to that person, place or company.

Because the tags are autogenerated there are likely to be some errors. If you spot one of these then please flag the tag for deletion by clicking the 'x'. Auto-generated tags: [Beta]

97/292/1 Amplifiers (3), low noise, field effect transistor, cryogenic, for the Australia Telescope, metal/plastic, CSIRO Division of Radiophysics, Australia, 1984-1988

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Because of the age of the Museum's collection some objects in the Museum's collection have not yet been digitised. Some images are not available for Copyright reasons. Some images are not available for cultural or privacy reasons.

Object statement
Amplifiers (3), low noise, field effect transistor, cryogenic, for the Australia Telescope, metal/plastic, CSIRO Division of Radiophysics, Australia, 1984-1988
Production Notes include information about the design, manufacture and marketing of an object. Production notes
CSIRO Division of Radiophysics with Mal Sinclair as section leader of receiver group.

CSIRO Division of Radiophysics with Mal Sinclair as section leader of receiver group.

1984-1988
History Notes include facts about what has happened to an object since manufacture. This could include who owned it and how it was used (provenance). It may also describe any cultural meanings with which it may have become associated. History notes
Amplifiers were made to be used on the Australia Telescope at Narrabri.

 This text content licensed under CC BY-NC.

Description
Amplifiers (3), low noise, field effect transistor, cryogenic, for the Australia Telescope, metal/plastic, CSIRO Division of Radiophysics, Australia, 1984-1988
Three amplifiers for different wavelengths, (-1) 20cm, (-2)6cm & (-3)3cm, in flat metal boxes with top covers removed and replaced by perspex for the 3cm and 20cm amplifiers. Amplifiers are constructed with transistors, circuit boards and other electronics. There are input and output sockets on the edges of the boxes. In use the amplifiers are used cooled to -253 degrees C, a much lower temperature than could be achieved with ordinary transistors (not field effect transistors).

Made: CSIRO Division of Radiophysics; ; 1984 - 1988

: CSIRO Division of Radiophysics;


Used: Narrabri, New South Wales
The Registration Number of an object is a unique identifying number applied by the museum at the point of acquisition. Current numbering format comprises the year of acquisition, followed by a sequential number. For example, '2007/45' is the Registration Number that represents the 45th acquisition in the year 2007. Registration number
97/292/1
Production date
1984 - 1988

 This text content licensed under CC BY-SA.
Acquisition credit line
Australia Telescope National Facility
Subjects
+ Radio astronomy
Currently on public display
+ By the Light of the Southern Stars Exhibition, Sydney Observatory
Short persistent URL
Concise link back to this object: http://from.ph/158042
Cite this object in Wikipedia
Copy and paste this wiki-markup:

{{cite web |url=http://from.ph/158042 |title=97/292/1 Amplifiers (3), low noise, field effect transistor, cryogenic, for the Australia Telescope, metal/plastic, CSIRO Division of Radiophysics, Australia, 1984-1988 |author=Powerhouse Museum |accessdate=23 May 2013 |publisher=Powerhouse Museum, Australia}}


Copyright
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Object viewed 1918 times. Parent IRN: 2125. Master IRN: 2125 Img: Flv: H:px W:px SMO: RIGHTS:.