Generator, noise

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Ingenium, 1978.0674.001
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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

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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://collections.ingeniumcanada.org/en/id/1978.0674.001/

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