TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ANALOG ASSEMBLY [2 records]

Record 1 2023-05-16

English

Subject field(s)
  • Orbital Stations
CONT

The Solid State Power Control Module(SSPCM) delivers 120 volts DC [Direct Current] from the Station to the racks and converts it to 28 volts DC, and delivers that power to a three-outlet power strip for use by the payloads. The SSPCM sends 120 volts DC to the RIC [Rack Interface Controller], the AAA [Avionics Air Assembly], and the PEHB [Payload Ethernet Hub/Bridge]. The SSPCM also provides data interfaces for payloads, including analog(two for each middeck locker and one for each ISIS [International Subrack Interface Standard] drawer) and bidirectional discrete(three for each middeck locker and two for each ISIS drawer).

OBS

solid state power control module; SSPCM: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).

OBS

International Space Station official approval Group (ISSOAG): Later known as the International Space Station Terminology Approval Group (ISSTAG).

French

Domaine(s)
  • Stations orbitales
OBS

module de commande d'alimentation à semi-conducteur; SSPCM : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

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Record 2 2003-03-26

English

Subject field(s)
  • Satellite Telecommunications
  • Spacecraft
CONT

The main units of the AIC are : the focal plane assembly(FPA), equipped with a back-thinned illuminated CCD matrix and a front-end amplifier, provides the optical signal detection. A thermoelectric peltier cooler under the detector sets the operating point at-25°C ± 100 mK, the detection box(BD) which supplies the FPA with the necessary electrical signals to operate the CCD. It generates the clock waveforms from the VEU signals and filters the supplied voltage from the DSU, the video electronics unit(VEU) which processes the analog signal coming from the FPA, digitizes it on 12 bits before passing it on in serial processing to the science data processing subsystem(SDPSS). It also provides the DBs with the primary clock signal. The power conditioning of the VEU is located in the same unit, the detection supply unit(DSU) delivers relevant stabilized voltages to the 5 DUs and power to thermo-coolers from the main supply feeder of the instrument.

OBS

Converter sub-assembly.

French

Domaine(s)
  • Télécommunications par satellite
  • Engins spatiaux

Spanish

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