E1987A Datasheet, PDF (22/27 Pages) Keysight Technologies – cdma2000/IS-95/AMPS

22 | Keysight | E1962B cdma2000/IS-95/AMPS Mobile Test Application - Technical Overview
CDMA analyzer (continued)
Gated power measurement
Input frequency ranges 411 to 420 MHz
450 to 484 MHz
824 to 934 MHz
1700 to 1980 MHz
Measurement method Displays the time domain pulse of an IS-95,
RC1, or RC2, 1/8th rate frame
Measurement data
capture period
1.277 ms
Measurement trigger 20 ms clock (frame trigger)
Maximum input level +37 dBm/1.23 MHz peak (5 W peak)
Measurement input level −20 to +30 dBm
range
Measurement averaging Default of 100, selectable
Marker relative level +5 to −22 dB: <± 0.4 dB + 0.1 dB for signal fall
accuracy (averages > 25) times less than 2 μs, typically < ± 0.30 dB
−22 to −25 dB: < ± 0.7 dB + 0.2 dB for signal fall
times less than 2 μs, typically < ± 0.55 dB
Marker level resolution 0.01 dB
Measurement limits
Time domain mask per IS-98D
Graphical results
Zoom view
Full trace: Displays a time window of 1277 μs
centered on the burst; grey bar indicates which
section of the full trace appears in the zoomed
trace
Time display range: −15 to +1262 μs
Level display range: −35 to +5 dB
Zoom position: 0 to 13
Zoomed trace
Displays a zoomed section of the full graph
Zoomed time display
resolution
Zoom views 0, 13: 68 ns
Zoom views 1 to 12: 276 ns
Time display range
Zoom view 0: −15.06 to +10.04 μs
Zoom view 1: +10.21 to +112.21 μs
Zoom view 2: +112.47 to +214.47 μs
Zoom view 3: +214.74 to +316.74 μs
Zoom view 4: +317.00 to +419.01 μs
Zoom view 5: +419.28 to +521.27 μs
Zoom view 6: +521.55 to +623.54 μs
Zoom view 7: +623.81 to +725.54 μs
Zoom view 8: +725.81 to +827.81 μs
Zoom view 9: +828.08 to +930.07 μs
Zoom view 10: +930.35 to +1032.34 μs
Zoom view 11: +1032.61 to +1134.61 μs
Zoom view 12: +1134.88 to +1236.88 μs
Zoom view 13: +1237.05 to +1262.14 μs
Level display range
−35 to +5 dB
Graphical results: Rise/fall view
–– Rise trace:
–– Time display range: −15 to +1262 μs
–– Time display resolution: 68 ns
–– Level display range: −35 to +5 dB
–– Fall trace:
–– Time display range: −15 to +1262 μs
–– Time display resolution: 68 ns
–– Level display range: −35 to +5 dB
Other measurement
results
Pass/fail indicator, first all point time and level,
and mask shift (indicates the time shift required
to center IS-98D mask on the burst); full trace
is available via GPIB
Concurrency capabilities None
CDMA analyzer (continued)
Frame error rate measurement
FER measurement
method
Data loopback in service options 002, 009, and
055 with confidence limits
FER input level
measurement range
–65 dBm/1.23 MHz to +30 dBm/1.23 MHz
FER measurement resid- < 1 x 10-6 for input levels in the specified input
ual error rate
level range and within ± 9 dB of the expected
input power
Confidence limit range Definable from 80.0 to 99.9% and off
FER reported param-
eters
Intermediate results: Measured FER, number of
errors, and number of frames tested (updated
every 25 frames)
Final results: Measured FER, number of errors,
number of frames tested, and one of the follow-
ing: passed confidence limit, failed confidence
limit, or max frames
Concurrency capabilities FER measurements can be made concurrently
with all CDMA measurements that support
concurrency
Conditions for terminat- Max frames: Maximum number of frames to test
ing FER test
completed – indeterminate test result
Failed: Measured FER failed the specified
FER limit with specified confidence specified
confidence
Passed: Measured FER passed the specified
FER limit with specified confidence
FER measurement
indicators
Testing, passed, failed, and max frames all are
available over GPIB