Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/~astro/techinfo/block_diagrams/IFUP2.pdf Дата изменения: Thu Aug 14 19:19:16 2003 Дата индексирования: Sat Dec 22 17:08:03 2007 Кодировка: Поисковые слова: http www.badastronomy.com phpbb index.php

SIGNAL PHASE ADJUST

71
A
BANDPASS FILTER 9500 - 10500 MHZ

EXAMPLES: if1 "if1_phdsig 151.3" (decimal: 0 - 178.5) if1 "if1_phbsig 108" (binary: 0 - 127)

BANDPASS FILTER 1000 - 2000 MHZ

VARIABLE PHASE SHIFT (DELAY)

70
LO
HYBRID CONVERTS RECTANGULAR TO CIRCULAR OR CIRCULAR TO RECTANULAR EXAMPLE: if1 "if1_hybrid F"
A A+jB x 115 FREQ. MULT. A A-jB

FIXED PHASE SHIFT (DELAY) 11500 MHZ

A AND B OR A+jB AND A-jB

VARIABLE PHASE SHIFT (DELAY)

A

BANDPASS FILTER 9500 - 10500 MHZ FIXED PHASE SHIFT (DELAY)

BANDPASS FILTER 1000 - 2000 MHZ

LO PHASE ADJUST

72

EXAMPLES: if1 "if1_phdlo 151.3" (decimal: 0 - 178.5) if1 "if1_phblo 108" (binary: 0 - 127)

100 MHZ REF.

UPSTAIRS IF-LO SYSTEM FUNCTIONAL BLOCK DIAGRAM page 2 of 2 IF CONVERTER / COMBINER file: ifupstrs.ecw jbh 2-05-02 revised 01 Apr. 2002