Isdb-t modulation analysis – Agilent Technologies N9010A User Manual

Page 262

Advertising
background image

262

Chapter 29

ISDB-T Measurement Application

Measurements

Description

Specifications

Supplemental Information

ISDB-T Modulation Analysis

Segments=13

Mode3

Guard Interval=1/8

Partial Reception=Off

Layer A-C

Segment=13
Code Rate=3/4
Time Interleaving I=2
Modulation=64QAM

(ML

a

= –20 dBm,

20 to 30°C, CF

≤1 GHz)

EVM

EQ OFF

Operating range

0 to 8%

Floor

0.80%

Accuracy

from 0.8% to 1.2%

from 1.2% to 2.0%

from 2.0% to 8.0%

±0.40%

±0.30%

±0.70%

MER

EQ OFF

Operating range

≥ 22 dB

Floor

42 dB

Accuracy

from 38 to 42 dB

from 34 to 38 dB

from 22 to 34 dB

±3.00 dB

±1.52 dB

±0.85 dB

Frequency Error

b

Range

–170 kHz to 170 kHz

Accuracy

±1 Hz + tfa

c

Clock Error

Range

–100 Hz to 100 Hz (nominal)

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 input attenuation
b. The accuracy specification applies at the EVM = 1 %.
c. tfa = transmitter frequency

× frequency reference accuracy.

Advertising