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246 Chapter 23
CMMB Measurement Application
N6158A, CMMB Measurements Application
EVM (Data 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 (Data EQ OFF)
Operating range ≥16.00 dB
Floor 43.00 dB
Accuracy (Data EQ OFF)
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 –100 kHz to 100 kHz
Accuracy
±10 Hz+tfa
c
Quad Error
Range –5 deg to 5 deg
Amplitude Imbalance
Range –1dB to +1dB
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.
Description Specifications Supplemental Information