Satellite QPSK Bandwidth Calculator  
Option 1: Bandwidth to Multiplex Information Rate Calculation    
  ENTER OCCUPIED BANDWIDTH   MHz      
Assumes 188/204 Reed-Solomon and .35 Roll-off factor per ETSI EN 300 421    
SYMBOL DATA
USABLE INFO RATE WITH R/S AND FEC @
RATE RATE NO FEC
Required Eb/No (typical) 8.4 6.4 6 5.5 5 4.5
       
 Eb/No figures as defined in ETSI EN 300 421
 8PSK / 16 QAM Bandwidth Calculator for Satellite
Option 1: Bandwidth to Multiplex Information Rate Calculation
ENTER OCCUPIED BANDWIDTH     MHz    
Assumes 188/204 Reed-Solomon and Roll-off factor per ETSI EN 301 210    
      8PSK   16 QAM  
ROLL-OFF SYMBOL DATA INFO RATE WITH R/S AND FEC @ DATA INFO RATE
FACTOR RATE RATE RATE
25
35
20
Required Eb/No (typical)
9.4 8.9 6.9
10.7 9
 Eb/N0 figures as defined in ETSI EN 301 210 for BER 2x10E04 uncorrected in IF Loop
Cable QAM Bandwidth Calculator  
Option 1: Bandwidth to Multiplex Information Rate Calculation    
 ENTER OCCUPIED BANDWIDTH     MHz 6 or 8 MHz typical  
Assumes 188/204 Reed-Solomon and .15 Roll-off factor per ETSI EN 300 429    
SYMBOL
INFO RATE WITH R/S AND MULTICONSTELLATION @
RATE
16 32 64 128 256 512
INFO RATE
DATA RATE
Required C/N (typical)
Margin
TOTAL
Per ETSI EN 300 429 DVB-C for Cable