Atec Agilent-E6601A - Manual (Page 4)

4
RF Channel Suite – continued
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 fi lters
With 1.23, 3.84, 5.0 MHz Typically > 54 dB
W-CDMA mean power fi lters
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.
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
≤ 25% rms
Frequency error < ±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
Spectrum Monitor
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 < ±0.6 dB, typically < ±0.3 dB
–65 to < –59 dBm < ±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 < ±0.7 dB, typically < ±0.3 dB
–65 to < –59 dBm < ±0.8 dB, typically < ±0.4 dB
380 to 2000 MHz at expected frequency and level
–59 to +35 dBm Typically < ±0.4 dB
–65 to < –59 dBm Typically < ±0.6 dB
Absolute level fl atness 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) 3 kHz to 5 MHz
Span RBW to 25 MHz
Amplitude scaling 0.1 to 20 dB/division
Markers
Number
0 to 5
Frequency Absolute, relative
Amplitude Absolute, relative
1. Additional accuracy error when using RF OUT ONLY port is < ±0.1 dB.