Generator, noise

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OBJECT TYPE
white noise
DATE
Unknown
ARTIFACT NUMBER
1978.0674.001
MANUFACTURER
MARCONI INSTRUMENTS LTD.
MODEL
OA2090 (set)/ TF2091 (.1)
LOCATION
England

More Information


General Information

Serial #
53032/27 (.1)
Part Number
1
Total Parts
2
AKA
White noise test set
Patents
N/A
General Description
STEEL AND ALUMINUM CABINETS/ MOULDED PLASTIC DIALS & METER COVERS

Dimensions

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

Length
45.5 cm
Width
40.0 cm
Height
19.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telephony
Sub-Category
N/A

Manufacturer

AKA
MARCONI
Country
England
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
PERMITS MEASUREMENT OF INTERMODULATION PRODUCTS & NOISE IN MULTI-CHANNEL TELEPHONE LINK EQUIPMENT. A NOISE SIGNAL GENERATED BY THE INSTRUMENT IS USED TO SIMULATE FULL TRAFFIC CONDITIONS IN ANY NUMBER OF CHANNELS UP TO 2700 [REF.2].
Technical
CONSISTS OF 2 UNITS: THE GENERATOR [.1] INCLUDES A SELECTION OF HIGH- & LOW-PASS FILTERS TO RESTRICT THE NOISE TO THE REQUIRED BAND WIDTH, & BAND-STOP FILTERS TO CREATE A SLOT WITHIN THE BAND; THE RECEIVER [.2] HAS A SELECTION OF NARROW BAND-PASS FILTERS CORRESPONDING TO THE GENERATOR SLOTS AND A METER & ATTENUATOR TO MEASURE THE RELATIVE NOISE LEVEL AS THE GENERATOR SLOT IS SWITCHED IN & OUT [REF.2, P.3]
Area Notes
Unknown

Details

Markings
N/A
Missing
GENERATOR LACKS ONE (1) PASSFILTER BUT HAS 1 HIGH AND 7 LOWER/ RECEIVER LACKS ONE (1) BAND PASS BUT HAS 5 OTHERS PLUS AN OSCILLATOR UNIT
Finish
BLUE/GREY CABINETS WITH SILVER GREY FACING & BLUE/GREY DIALS
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

MARCONI INSTRUMENTS LTD., Generator, noise, Unknown Date, Artifact no. 1978.0674, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0674.001/

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