E1987A Datasheet, PDF (8/27 Pages) Keysight Technologies – cdma2000/IS-95/AMPS

08 | Keysight | E1962B cdma2000/IS-95/AMPS Mobile Test Application - Technical Overview
AMPS RF analyzer
Unless otherwise noted, all specifications apply to frequencies of 800 to
960 MHz for signals with peak input power at the test set’s RF IN/OUT
not higher than +34 dBm and temperatures of 0 to 55 °C. Input signal Tx
power at the test set’s RF IN/OUT must be within ± 3 dB of the test set’s
expected power for warranted performance.
Analog Tx power measurement
Types of signals
measured
CW or AMPS signals with or without SAT
Frequency capture range Signal must be within ± 100 kHz of test set’s
expected frequency
Maximum input level +37 dBm peak (5 W peak)
Minimum input level
> −30 dBm
Extended amplitude
range
Typically results are provided for signals at test
set’s RF IN/OUT with analog Tx power within
−10 and +5 dB of expected power
Measurement accuracy < ± 0.32 dB for 800 to 960 MHz, typically
(for 20 to 55 °C)
< ± 0.14 dB for 800 to 960 MHz
Measurement resolution Typically 0.01 dB
Measurement
repeatability
Typically < ± 0.1 dB
VSWR at RF IN/OUT < 1.14:1, 800 to 1000 MHz
Measurement trigger
source
Immediate
Available result
Output power
Multi-measurement
capabilities
1 to 999 bursts, minimum, maximum, average,
and standard deviation results
Concurrency capabilities Analog Tx power measurements can be made
concurrently with all analog and audio
measurements
Frequency modulation measurement
Types of signals
measured
Analog and AMPS signals with or without SAT
Frequency capture range Signal must be within ± 2.5 kHz of test set’s
expected frequency
Deviation and frequency 100 Hz to 15 kHz
measurement rate range
Distortion measurement 100 Hz to 10 kHz
rate range
Measurement deviation 0 to 16 kHz
range
Minimum input level
Signal at test set’s RF IN/OUT must have ana-
log Tx power > −15 dBm
Rms deviation
< ± (2% of reading + residual FM effects)
measurement accuracy
Peak deviation
< ± (3% of reading + residual FM effects)
measurement accuracy
Distortion measurement < ± 12% of reading (± 1.0 dB) ± residual FM
accuracy
effects
Frequency measurement < ± 0.1 Hz averaged over 10 measurements
accuracy (for input
signals with ratio of
< ± 1.0 Hz for a single measurement
deviation to residual FM
> 30 dB)
Residual FM
< 7 Hz rms in a C-message bandwidth, < 1.5 Hz
rms in a 100 Hz bandwidth using the tunable
band pass filter
Measurement trigger
source
Immediate
Measurement detector Selectable choices of rms, peak+, peak-, peak ±
max, and peak ± max/2
Measurement gate time 50 ms to 6.0 s with 50 ms resolution, default
value of 50 ms
AMPS RF analyzer
Frequency modulation measurement (continued)
Measurement filtering
Settable choices of none, 100 Hz bandwidth
band pass tunable over 300 Hz to 15 kHz,
C-message, 50 Hz to 3 kHz band pass, 50 Hz
to 15 kHz band pass, or 300 Hz to 15 kHz band
pass
Measurement
de-emphasis
750 μs settable as off or on
Measurement expander Settable as off or on
Available results
FM deviation level, FM distortion, and
modulation frequency
Multi-measurement
capabilities
1 to 999 measurements, minimum, maximum,
average, and standard deviation results
Concurrency capabilities Frequency modulation measurements can be
made concurrently with all analog and audio
measurements
Deviation measurement Typically 1 Hz
resolution
Distortion measurement Typically 0.1%
resolution
Frequency measurement Typically 0.1 Hz
resolution
External audio output
Selectable source for the front panel Audio Out
port of either the audio source (default) or the
demodulated FM output
Frequency stability measurement
Types of signals
measured
Analog and AMPS signals with or without SAT
and with frequency modulation index (β) < 3.0
radians
Frequency capture range Signal must be within ± 200 kHz of test set’s
expected frequency
Measurement rate range 100 Hz to 15 kHz
Minimum input level
Signal at test set’s RF IN/OUT must have ana-
log Tx power > −30 dBm
Frequency and frequency error measurement accuracy:
Measurement accuracy
Input signal
modulation
Input signal
frequency range
< ± (1 Hz + time-base accuracy) None
< ± (10 Hz + time-base accuracy) Frequency modu-
lation with β < 3.0
radians
800 to 960 MHz
800 to 960 MHz
Measurement accuracy Typically < ± (1 Hz + timebase accuracy) for an
input signal with SAT, < ± (3.3 Hz + timebase
accuracy) for an input signal with β = 1 radian
Measurement trigger
source
Immediate
Available results
RF frequency and RF frequency error
Multi-measurement
capabilities
Multi-1 to 999 measurements, minimum, maxi-
mum, average, and standard deviation in Hz for
all results and worst case RF frequency error in
ppm result
Concurrency capabilities Frequency stability measurements can be
made concurrently with all analog and audio
measurements
Measurement resolution Typically 1 Hz
for frequency and
frequency error mea-
surement results in Hz
Measurement resolution Typically 0.01 ppm
for frequency error mea-
surement result in ppm