E6890A Datasheet, PDF (4/6 Pages) Agilent(Hewlett-Packard) – Wireless Communications Test Set

RF Channel Suite – continued
Spectrum Monitor
Power versus time measurement
This measurement is a graphical view of output power in the time
domain. It is also useful as a zero-span spectrum analyzer.
Dynamic range (–15 dBm input signal)
With 1, 30, 100, 300, 640 kHz Typically > 64 dB
GSM Tx power filters
With 1.23, 3.84, 5.0 MHz
Typically > 54 dB
W-CDMA mean power filters
IQ capture measurement
This measurement returns the IQ samples collected during the
most recent RF channel suite measurements in either rectangular
or polar format. The collected samples are provided as real/imagi-
nary number pairs in rectangular format, or as magnitude/phase
pairs in polar format.
Input level range
Average power
–65 to +35 dBm
Absolute level accuracy¹
Within cellular frequency bands at expected frequency and level
–59 to +35 dBm
–65 to < –59 dBm
< ±0.6 dB, typically < ±0.3 dB
< ±0.7 dB, typically < ±0.4 dB
Within cellular frequency bands at expected frequency and level
with < 48 hours warm-up before self alignment initiated
–59 to +35 dBm
–65 to < –59 dBm
< ±0.7 dB, typically < ±0.3 dB
< ±0.8 dB, typically < ±0.4 dB
380 to 2000 MHz at expected frequency and level
–59 to +35 dBm
–65 to < –59 dBm
Typically < ±0.4 dB
Typically < ±0.6 dB
Measurement results
IQ samples
Number of samples
Sample period
QPSK EVM measurement
This measurement calculates QPSK composite EVM and several
other results relating to UE modulation quality.
Input level range
Average power
–25 to +28 dBm/3.48 MHz
UE ranges
EVM
Frequency error
≤ 25% rms
< ±10 kHz
Measurement accuracy (Includes residual results,
measured for one slot (0.66666667 ms) measurement interval)
UE EVM 0% rms
< 2.5% rms
UE EVM 17.5% rms
< 0.7% rms
UE 25% rms
< 0.5% rms
Frequency error
< (±10 Hz + timebase accuracy)
Filter
5 MHz
Measurement results
EVM, phase error, magnitude
error, frequency error, origin
offset
Absolute level flatness
Typically < ±0.15 dB
Spurious response
Typically < –65 dBc
Signals ≥ –10 dBm excluding spurs that change with input
attenuation but not with input level
Resolution bandwidth (RBW)
Span
Amplitude scaling
Markers
Number
Frequency
Amplitude
3 kHz to 5 MHz
RBW to 25 MHz
0.1 to 20 dB/division
0 to 5
Absolute, relative
Absolute, relative
1. Additional accuracy error when using RF OUT ONLY port is < ±0.1 dB.
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