cdma2000 Measurement Application

Measurements

Description

Specifications

Supplemental Information

 

 

 

QPSK EVM

 

 

25 dBm MLa ≤ −15 dBm

 

RF input power range is accordingly

20 to 30° C

 

determined to meet Mixer level.

EVM

0 to 25%

 

Range

 

Floor

1.6%

 

Accuracy b

±1.0%

 

I/Q origin offset

 

10 dBc (nominal)

DUT Maximum Offset

 

Analyzer Noise Floor

 

50 dBc (nominal)

Frequency Error

 

±30 kHz (nominal)

Range

 

Accuracy

±5 Hz + tfac

500 Hz (nominal)

a.ML (mixer level) is RF input power minus attenuation

b.The accuracy specification applies when the EVM to be measured is well above the measurement floor. When the EVM does not greatly exceed the floor, the errors due to the floor add to the accuracy errors. The errors due to the floor are noise-like and add incoherently with the UUT EVM. The errors depend on the EVM of the UUT and the floor as follows: error = sqrt(EVMUUTP2P + EVMsaP2P)

EVMUUT, where EVMUUT is the EVM of the UUT in percent, and EVMsa is the EVM floor of the analyzer in percent.

c.tfa = transmitter frequency × frequency reference accuracy

Chapter 13

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Agilent Technologies N9010A specifications

N9010A specifications

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