Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.arcetri.astro.it/~nesti/pdfs/omt_pg5.pdf Дата изменения: Thu Sep 20 16:04:29 2001 Дата индексирования: Tue Oct 2 07:29:34 2012 Кодировка: Поисковые слова: http astrokuban.info astrokuban

Planck/LFI
30 GHz OMT design (5) - date 03/01 Goals:
1. 2. 3. 4. Frequency: 30 GHz Bandwidth: 20% Cross-talk: <-30 dB Return loss: >20 dB

Reference sketch:


Dual junction reference sketch:

Dual junction: testing transitions' performances


Dual junction: testing transitions' losses (doubled)

Dual junction: `H' polarization reflection


Dual junction: `V' polarization reflection

Dual junction losses:


Dual junction cross-talk:


H-plane bend transition:


Combiner reference sketch:

Combiner input matching


Combiner losses:


Overall OMT scattering parameters (`V' polarization):

Overall OMT losses (`V' polarization):


Overall OMT scattering parameters (`H' polarization):

Overall OMT losses (`H' polarization):