User's Manual

Table 7-2: Downstream Link Power Budget
Minimum Typical Maximum Comment
CPE WCM output (dBmV) +20 +40
CADCO Upconverter Input
(dBmV) +38 +45
CADCO Upconverter Output
(dBmV) +40 +45 +50
IF coax cable loss (dB) Calculate +15
Belden 1189A
4.6 dB/100 ft
@ 550 MHz
Hub Tx IF input (dBmV) +35
Hub Tx RF output (dBm) +17
Hub Tx Antenna gain (dBi) +13 EIRP=30 dBm
Path Loss (dB) Calculate
CPE Receive Antenna gain
(dBi) 22
CPE Rx input level (dBm) -92 -52
CPE Rx output level
-52 dBm
-6 dBmV
-14 dBm
+34 dBmV 38 dB gain
IF Coax cable loss Calculate +15
Belden 9116
4.6 dB/100 ft
@ 550 MHz
WCM input (dBmV)(QPSK) -20 +35
June 2003 Page 7-3