Spectrum Analyzer Image Rejection; Performance Test 24 - Agilent Technologies E8285A Manual

Performance Tests
Spectrum Analyzer Image Rejection Performance Test 24

Spectrum Analyzer Image Rejection

Performance Test 24

The purpose of this test is to verify that the Test Set meets the specification limits
in PTR (Performance Test Record)
Rejection (Image) Test 24 Record" on page
spectrum analyzer's ability to reject image frequencies. The spectrum analyzer is
tuned to a signal frequency while an image signal from the signal generator is
applied to the antenna input port.
Setup
Figure 6-29 Spectrum Analyzer Image Rejection Test 24
Signal Generator
Procedure
1. On the signal generator:
2. On the Test Set:
188
OUTPUT
10 MHz OUTPUT
EXT REF IN
a. Set the level to -20 dBm.
b. Set the frequency to 1229 MHz.
c. Set modulation off.
a. Press .
Preset
b. Select the CONFIGURE screen.
c. Set the RF Display field to Freq.
d. Select the SPEC ANL screen.
table 7-24, "Spectrum Analyzer Image
242. The first procedure measures the
CALL CONTROL
Answer
Call/ End/
Page Release
USER
Cell config
Call
K1' control
K1 MS report
RX test
K2'
K2
K3'
Ref set
K3 Increment
10
Low limit
Assign
K4
Release
K5
IBASIC
reset
Shift Cancel
POWER RF IN/OUT DUPLEX OUT ANTENNA IN
DO NOT apply RF Max power 2.5W
Max power 60 mW
when in standby
ANTENNA IN
MODULATION EVEN SEC
INPUT INPUT
COMPOSITE AUD MONITOR CDMA CLOCK
SA TRIG
VIDEO
OUTPUT MUX OUTPUT OUTPUT
CELLSITE/TRIGGERS PARALLEL PORT
PROTOCOL SERIAL CSD1 SERIAL S0 SERIAL PORT
CSD2 SERIAL S1 SERIAL PORT
HP-IB
EXT REF 16X CHIP
INPUT OUTPUT
10 MHz
OUTPUT
S:\agilent\e8285\ALR\Book\chapters\perf_test.fm
UTILITIES
Print Printer I/O config Help
Register Tests Config Previous Message Preset
Hold
Meas
CDMA SCREENS ANALOG SCREENS
reset
Spectrum SMS Address
Gen Authen- Call Duplex Spectrun Local
control tication control analyzer
MS FER Save
TX test TX RX test TX test AF Recall
range analyzer
DATA FUNCTIONS DATA
Meter Average
Increment Increment 7 8 9 Enter
set x 10
High limit
4 5 6 Ghz
dBm
dB
1 2 3 MHz
V
%
kHz
0 . +/-
mV
s
mW
Yes No % Hz
On/Off Ratio dB µV
W ms
VOLUME AUDIO OUT AUDIO IN
High Low
Max 12V peak Max
42V peak
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