98
Model Three - Operation Manual
Digital Channel:
Demodulation type:
ITU-T J.83 Annex A/B/C standard
Support:
16/32/64/128/256 QAM, QPSK, COFDM
Symbol rate:
4 to 7 MS/sec
Bandwidth:
0.28 to 9.99 MHz
MER:
To 36 dB or greater (QAM)
Accuracy:
±2.0 dB
BER:
1E
-3
to 1E
-9
before and after R-S decoding (QAM)
Power measure type: QAM, QPSK, COFDM
Digital Channel Power (Average):
Level range:
-25 to +55 dBmV
Accuracy:
±2.0 dB @ 10° to 30° C (50° to 86° F)
±3.0 dB @ -10° to +40° C (14° to 104° F)
Resolution:
0.1 dB
Constellation (Optional):
Display Size:
64 and 256 QAM
Constellation with zoom capability
Tilt Measurement:
Number of channels:
4 to 12
Resolution:
0.1 dB
Limit Test Parameters:
Any of the following may be enabled:
Min video:
40 to 119 dB
μ
V (-20 to +59 dBmV)
Max video:
41 to 120 dB
μ
V (-19 to +60 dBmV)
Max
Δ
video:
2 to 30 dB
Min
Δ
V/A:
0 to 15 dB
Max
Δ
V/A:
5 to 30 dB
Max
Δ
ADJ:
0 to 20 dB
24-hour video dev.:
0 to 20 dB
Auto Test:
Number of programs: 7 (max)
Tests:
Level, Tilt, Spectrum, QAM, Hum, and Limit (any
or all tests may be used in an auto-test program)
Time intervals:
1 to 23 hours
Test times:
1 to 10 times
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
