Agilent Technologies N9010A - Manual (Page 222)

222 Chapter 23
CMMB Measurement Application
Measurements
Description Specifications Supplemental Information
CMMB Modulation Analysis
Specification CLCH+SLCH0
CLCH: Timeslot 0, LDPC 1/2,
Reed Solomon Code (240,240),
Interleaving Mode1, Mod Type
BPSK
SLCH0: Timeslot 1-39, LDPC
1/2, Reed Solomon Code
(240,240), Interleaving Mode1,
Mod Type 16QAM
(ML
a
= –20 dBm
20 to 30°C)
EVM EQ Off
Operating range 0 to 16%
Floor 0.70%
Accuracy
from 0.7% to 1.0%
from 1.0% to 2.0%
from 2.0% to 16.0%
±0.30%
±0.30%
±0.40%
MER EQ Off
Operating range
≥16 dB
Floor 43 dB
Accuracy
from 39 to 43 dB
from 34 to 39 dB
from 16 to 34 dB
±2.93 dB
±1.41 dB
±0.52 dB
Frequency Error
b
Range –20 kHz to 20 kHz
Accuracy ±1 Hz + tfa
c
Quad Error
Range –5 to +5
°
Amplitude Imbalance
Range –1 to +1 dB
a. ML (mixer level) is RF input power minus attenuation
b. The accuracy specification applies at the EVM = 1%.
c. tfa = transmitter frequency
× frequency reference accuracy.