Planck satellite 70 GHz EBB-version back end module

The first complete 70 GHz back end module (BEM) of the coming Planck satellite is described. It includes an H-plane waveguide band pass filter, an InP HEMT amplifier, a diode detector made on 0.1 mm alumina substrate, and video amplifiers. RF parts are designed, manufactured, and measured individual...

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Bibliographic Details
Published in:IEEE aerospace and electronic systems magazine 2003-05, Vol.18 (5), p.22-25
Main Authors: Sjoman, P., Ruokokoski, T., Hughes, N.J., Jukkala, P., Kangaslahti, P., Ovaska, S., Eskelinen, P.
Format: Magazinearticle
Language:English
Subjects:
Aircraft components
Amplifiers
Antenna measurements
Bandpass filters
Boundary element method
Computer hacking
Filters
Frequency shift keying
HEMTs
Laboratories
Mathematical analysis
Modules
Planck satellite
Radiofrequency amplifiers
Receivers
Ripples
Satellite broadcasting
Temperature
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Description
Summary:The first complete 70 GHz back end module (BEM) of the coming Planck satellite is described. It includes an H-plane waveguide band pass filter, an InP HEMT amplifier, a diode detector made on 0.1 mm alumina substrate, and video amplifiers. RF parts are designed, manufactured, and measured individually and then the complete BEM is tested. Stringent requirements are set through the mechanical layout of the entire functional unit. Most specifications have already been met with the exception of conversion loss in band ripple which must be further reduced.
ISSN:0885-8985
1557-959X
DOI:10.1109/MAES.2003.1201455