E1968A Datasheet, PDF (13/22 Pages) Keysight Technologies – GSM/GPRS/EGPRS Test Application

13 | Keysight | E1968A GSM/GPRS/EGPRS Test Application - Technical Overview
GSM/GPRS/EGPRS multislot transmit power
measurement (continued)
Burst synchroni-
zation
Numerical result
RF amplitude (GSM/GPRS midamble-synchronized
transmit power result is available as part of the
multislot power versus time measurement)
GMSK transmit power
Multi-measurement 1 to 999 bursts; minimum, maximum, average, and
capabilities
standard deviation results
Concurrency
capabilities
GSM/GPRS/EGPRS multislot-tolerant transmit
power measurements can be made concurrently
with all other measurements
Supplemental characteristics
Extended amplitude Results are provided for signals at the test set’s RF
range
IN/OUT port for transmit power within –10 and
+5 dB of expected power
Typical measurement accuracy at RF IN/OUT port:
Accuracy (dBm)
< ± 0.10
< ± 0.13
< ± 0.14
< ± 0.32
< ± 0.36
< ± 0.38
Frequency (MHz)
450 to 496
700 to 800
810 to 960
1700 to 1990
450 to 496
700 to 800
810 to 960
1700 to 1990
Timeslot
Single slot and multislot
at the same level
Multislot at different
levels
Typical measurement accuracy when RF OUT ONLY port
is selected for signal generation (in addition to typical
measurement accuracy at RF IN/OUT port):
Accuracy (dBm)
< ± 0.01
< ± 0.04
Frequency (MHz)
450 to 496
700 to 800
810 to 960
1700 to 1990
Typical measure- < ± 0.05 dB
ment repeatability
Measurement
0.01 dB
resolution
The following specifications are valid when the burst capture range is set
to All:
Types of signals
measured
Normal GMSK bursts sent as GSM or GPRS signals,
normal GMSK and 8PSK bursts sent as EGPRS sig-
nals, CW, RACH bursts for a single uplink timeslot only
Multislot input < 30 dB difference in power level between adjacent
signal conditions timeslots. When autoranging is off, input signal trans-
mit power must be within ± 3 dB for highest burst and
+3 dB/–30 dB for other bursts relative to expected
power of highest burst; when autoranging is on, input
signal transmit power must be within
± 3 dB/–30 dB for all bursts
Multislot signal
measurement
Simultaneous measurement of all bursts up to
6 uplink timeslots in the multislot Class 45
capability
configuration
Frequency capture Signal must be within ± 100 kHz of the test set’s
range
expected frequency for warranted performance
Minimum input For warranted performance, signal at test set’s RF IN/
level
OUT must have transmit power > –25 dBm for GMSK
transmit power or 8PSK burst power, and > –20 dBm
for 8PSK estimated carrier power
Measurement accuracy for GMSK transmit power at
RF IN/OUT port between +20 and +55 °C
Accuracy (dBm)
< ± 0.27
< ± 0.29
Frequency (MHz)
700 to 800
810 to 960
450 to 496
1700 to 1990
Timeslot
Single slot
Measurement accuracy for GMSK transmit power at
RF IN/OUT port between +20 and +55 °C (continued)
Accuracy (dBm)
< ± 0.32
< ± 0.34
Frequency (MHz)
700 to 800
810 to 960
450 to 496
1700 to 1990
Timeslot
Multislot at the same
level
< ± 0.70
< ± 0.72
700 to 800
810 to 960
450 to 496
1700 to 1990
Multislot at different
levels
Measurement accuracy for 8PSK burst power at
RF IN/OUT port between +20 and +55 °C
Accuracy (dBm)
< ± 0.32
< ± 0.33
< ± 0.36
< ± 0.37
< ± 0.75
< ± 0.76
Frequency (MHz)
700 to 800
810 to 960
450 to 496
1700 to 1990
700 to 800
810 to 960
450 to 496
1700 to 1990
700 to 800
810 to 960
450 to 496
1700 to 1990
Timeslot
Single slot
Multislot at the same
level
Multislot at different
levels
Measurement accuracy for 8PSK/16QAM estimated
carrier power at RF IN/OUT port between +20 and +55 °C
Accuracy (dBm)
Frequency (MHz) Timeslot
< ± 0.42
< ± 0.43
700 to 800
810 to 960
450 to 496
1700 to 1990
Single slot
< ± 0.46
< ± 0.47
700 to 800
810 to 960
450 to 496
1700 to 1990
Multislot at the same
level
< ± 0.85
< ± 0.86
700 to 800
810 to 960
450 to 496
1700 to 1990
Multislot at different
levels
Note: 8PSK estimated carrier power specifications above can be met when signal
quality is not degraded.
Measurement accuracy when RF OUT ONLY port is
selected for signal generation (in addition to measurement
accuracy at RF IN/OUT port)
Accuracy (dBm)
< ± 0.01
< ± 0.04
Frequency (MHz)
450 to 496
700 to 800
810 to 960
1700 to 1990
VSWR at RF IN/OUT
Trigger sources
Trigger delay
Burst synchroni-
zation
Numerical result
Multi-measurement
capabilities
Concurrency
capabilities
< 1.14 : 1 for 450 to 496 MHz and 700 to 960 MHz,
< 1.2 : 1 for 1.7 to 1.99 GHz
RF rise, protocol, immediate, auto, external
Settable between ± 2.31 ms
Midamble
GMSK transmit power, 8PSK burst power, 8PSK es-
timated carrier power, 16QAM burst power, 16QAM
estimated carrier power
1 to 999 bursts; minimum, maximum, average, and
standard deviation results
GSM/GPRS/EGPRS multislot transmit power mea-
surements can be made concurrently with all other
measurements