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The following safety symbols are used throughout this manual.
Familiarize yourself with the symbols and their meaning before
operating this instrument.
WAR NINGWarning denotes a hazard. It calls attention to a procedure
which, if not correctly performed or adhered to, could result in
injury or loss of life. Do not proceed beyond a warning note
until the indicated conditions are fully understood and met.
CAUTIONCaution denotes a hazard. It calls attention to a procedure that, if not
correctly performed or adhered to, could result in damage to or
destruction of the instrument. Do not proceed beyond a caution sign
until the indicated conditions are fully understood and met.
WAR NINGThis is a Safety Class 1 Product (provided with a protective
earthing ground incorporated in the power cord. The mains
plug shall only be inserted in a socket outlet provided with a
protective earth contact. Any interruption of the protective
conductor inside or outside of the product is likely to make the
product dangerous. Intentional interruption is prohibited.
WAR NINGIf this product is not used as specified, the protection provided
by the equipment could be impaired. This product must be used
in a normal condition (in which all means for protection are
intact) only.
CAUTIONAlways use the three-prong ac power cord supplied with this product.
Failure to ensure adequate earth grounding by not using this cord may
cause product damage.
CAUTIONThis instrument has autoranging line voltage input, be sure the supply
voltage is within the specified range.
2
Where to Find the Latest Information
Documentation is updated periodically. For the latest information about
Agilent ESA Spectrum Analyzers, including firmware upgrades and
application information, please visit the following Internet URL:
How to Return Your Analyzer for Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .640
8
1Calibrating
9
Calibrating
Calibration verifies that the analyzer performance is within all
specifications. It is time consuming and requires extensive test
equipment. Calibration consists of all the performance tests. For a
complete listing of the performance tests, see the performance
verification tests table for your specific analyzer.
Allow the analyzer to warm up in accordance with the temperature
stability specifications before performing the tests in this chapter.
None of these test procedures involve removing the cover of the
analyzer.
10Chapter 1
Calibrating
Calibration Cycle
Calibration Cycle
The performance tests in chapter 2 should be used to check the analyzer
against its specifications once every year. Specifications are listed in the
Specifications Guide.
Performance Verification Test Tables
The tables on the following pages list the performance tests in Chapter
2 , “Performance Verification Tests,” required for each model number.
Perform all the tests marked with a dot in the “Std” (standard) column.
If any options are installed in the analyzer, also perform all tests
marked with a dot in the appropriate option column.
59.Comms Absolute Power Accuracy (Options BAC or
BAH)
a. Perform these tests for all E4402B analyzers.
b. Perform this test only on analyzers not equipped with Option 1D5.
c. Perform this test only on instruments having Option BAH, GSM Measurement Personality.
59.Comms Absolute Power Accuracy (Options BAC or BAH)••
a. Perform these tests on all Agilent E4404B analyzers.
b. Perform this test only on analyzers not equipped with Option 1D5.
c. Perform this test only on instruments having Option BAH, GSM Measurement Personality.
59.Comms Absolute Power Accuracy (Options BAC or BAH)••
a. Perform these tests on all E4405B analyzers.
b. Perform this test only if the analyzer is not equipped with Option 1D5.
c. Perform this test only on instruments having Option BAH, GSM Measurement Personality.
59.Comms Absolute Power Accuracy (Options BAC or BAH)
a. Perform these tests on all E4407B analyzers.
b. Perform this test only on analyzers not equipped with Option 1D5.
c. Perform this test only on instruments having Option BAH, GSM Measurement Personality.
This brief procedure should be performed before starting the
performance verification tests:
1. Switch the analyzer on and let it warm up for five minutes.
2. If the analyzer is an Agilent E4402B, E4403B, E4404B, E4405B,
E4407B, or E4408B, connect a cable from AMPTD REF OUT to the
50 Ω Input.
3. Press
alignments to finish.
4. Read the remainder of this section before you start any of the tests,
and make a copy of the Performance Verification Test Record
described below in "Recording the test results."
System, Alignments, Align Now, All, and wait for the auto
Recording the test results
Performance verification test records, for each analyzer, are provided in
the chapter following the tests.
Each test result is identified as a TR Entry in the performance tests
and on the performance verification test record. We recommend that
you make a copy of the performance verification test record, record the
test results on the copy, and keep the copy for your calibration test
record. This record could prove valuable in tracking gradual changes in
test results over long periods of time.
Performing Self-Alignment
Perform a complete self-alignment at least once per day, or if the
analyzer fails a verification test. To perform a self-alignment, press
System, Alignment, Align Now, All. The instrument must be up to
operating temperature in order for this test to be valid. If the analyzer
continuously fails one or more specifications, complete any remaining
tests and record all test results on a copy of the test record. Then refer
to Chapter 4 , “If You Have a Problem,” for instructions on how to solve
the problem.
24Chapter 1
Calibrating
Periodic verification of operation
The analyzer requires periodic verification of operation. Under most
conditions of use, you should test the analyzer at least once a year with
the complete set of performance verification tests.
Test equipment you will need
The following tables list the recommended test equipment for the
performance tests. The tables also list recommended equipment for the
analyzer adjustment procedures which are located in the Agilent ESA Spectrum Analyzers Service Guide. Any equipment that meets the
critical specifications given in the table can be substituted for the
recommended model.
Table 1-9 Recommended Test Equipment
Before You Start
Equipment
Digital MultimeterInput Resistance
DVM Test LeadsFor use with HP/Agilent 3458A Digital
Universal CounterFrequency Range: 10 MHz ±
Frequency StandardFrequency: 10 MHz
Critical Specifications for Equipment
Substitution
≥10 megohms
Accuracy: ±10 mV on 100 V range
Multimeter
Time Interval Range: 25 ms to 100 ms
Single Trigger Operation
Range: 2.5 Vdc to –2.5 Vdc
External Reference Input
Gate Time:
Frequency Resolution: 0.01 Hz
Timebase Accuracy
(Aging): <1
≥10 seconds
−9
×10
/day
100 Hz
Recommended
HP/Agilent Model
3458AP,A,T
34118BT
53132AP,A,T
5071AP,A
Use
a
Chapter 1 25
Calibrating
Before You Start
Table 1-9 Recommended Test Equipment
Equipment
Critical Specifications for Equipment
Substitution
OscilloscopeBandwidth: dc to 100 MHz
Vertical Scale Factor of 0.5 V to 5 V/Div
Two channels
Minimum Timebase Setting: <100 ns
Digitizing display with pulse width and
time interval measurement functions
Delta –T measurement accuracy in
200 ns / div: <450 ps
Power MeterCompatible with HP/Agilent 8480
series power sensors.
dB relative mode.
Resolution: 0.01 dB
Reference Accuracy: ±1.2%
RF Power Sensor
(2 required)
Frequency Range: 100 kHz to 3 GHz
Maximum SWR:
1.60 (100 kHz to 300 kHz)
1.20 (300 kHz to 1 MHz)
1.1 (1 MHz to 2.0 GHz)
1.18 (2.0 GHz to 3.0 GHz)
Amplitude range: –25 dBm to 10 dBm
Recommended
HP/Agilent Model
54820AT
E4419BP,A,T
8482AP,A,T
Use
a
Microwave Power
Sensor
Power Sensor, Low
Power
Synthesized Signal
Generator
Frequency Range: 50 MHz to 26.5 GHz
Maximum SWR:
1.15 (50 MHz to 100 MHz)
1.10 (100 MHz to 2 GHz)
1.15 (2 GHz to 12.4 GHz)
1.20 (12.4 GHz to 18 GHz)
1.25 (18 GHz to 26.5 GHz)
Amplitude range: –25 dBm to 0 dBm
Frequency Range: 50 MHz to 3.0 GHz
Amplitude Range: –20 dBm to –70 dBm
Maximum SWR:
1.4 (10 MHz to 30 MHz)
1.15 (30 MHz to 3.0 GHz)
Frequency Range: 100 kHz to
1500 MHz
Amplitude Range: –35 to 16 dBm
SSB Noise: <–120 dBc/Hz at 20 kHz
offset
8485AP,A,T
8481DP,A,T
8663AP,A
26Chapter 1
Calibrating
Table 1-9 Recommended Test Equipment
Before You Start
Equipment
Wide Offset
Phase Noise
Signal Generator
Signal Generator
(Option BAH)
Spectrum Analyzer,
Microwave
Critical Specifications for Equipment
Substitution
Frequency Range: 1 GHz ±1 MHz
Amplitude Range: 0 dBM
Frequency Range: 900 MHz to
1800 MHz
Amplitude Range: –30 to 0 dBm
Phase Error: <0.5
°
Frequency Error: <2.5 Hz
Frequency Range: 100 kHz to 7 GHz
Relative Amplitude Accuracy:
100 kHz to 3.0 GHz: <±1.8 dB
Frequency Accuracy: <±10 kHz at 7
GHz
Recommended
HP/Agilent Model
8665BP
E4433B
Option UN8, 1E5
8563EP,T
Use
P
a
Synthesized
Sweeper
(2 required)
Frequency Range:
E4407B or E4408B: 10 MHz to
26.5 GHz
All others: 10 MHz to 13.2 GHz
Frequency Accuracy (CW): ±0.02%
Leveling Modes: Internal and External
Modulation Modes: AM
Power Level Range: –40 to 16 dBm
Function GeneratorFrequency Range: 0.1 Hz to 15 MHz
Frequency Accuracy: ±0.02%
Waveform: Triangle, Square, Sine
Attenuator/Switch
Driver
Compatible with HP/Agilent 8494G
and 8496G Programmable step
attenuators
83630/40/50B
83620/30/B
40/50B
33120A or
3325B
11713AP
P, A ,T
P, A ,T
Chapter 1 27
Calibrating
Before You Start
Table 1-9 Recommended Test Equipment
Equipment
Attenuator, 1 dB
Step
Attenuator, 10 dB
Step
Attenuator, 10 dB
Fixed
Attenuator, 6 dB
Fixed (2 required)
Critical Specifications for Equipment
Substitution
Attenuation Range: 0 to 11 dB
Frequency Range: 50 MHz ±1 MHz
Connectors: Type-N female
Calibrated at 50 MHz with accuracy of
1 to 11 dB attenuation: ±0.010 dB.
Attenuation Range: 0 to 110 dB
Frequency Range: 50 MHz ±1 MHz
Connectors: Type-N female
Calibrated at 50 MHz with accuracy of:
0 to 40 dB attenuation: ±0.020 dB
50 to 100 dB attenuation: ±0.065 dB
110 dB attenuation: ±0.075 dB
Nominal attenuation: 10 dB
Frequency Range: dc to 3 GHz
Connectors: Type-N(m) and Type-N(f)
Nominal attenuation: 6 dB
Frequency Range: 50 MHz
±1 MHz
VSWR: <1.1: 1 at 50 MHz
Recommended
HP/Agilent Model
8494A/GP
8496A/GP
8491A
Option 010
8491A
Option 006
Use
P
P
a
Attenuator, 20 dB
Fixed
Attenuator
Interconnect Kit
Nominal attenuation: 20 dB
Frequency Range: 100 kHz to 3 GHz
VSWR: <1.2: 1 at
≤3 GHz
Mechanically and electrically connects
HP/Agilent 8494A/G and HP/Agilent
8496A/G
a. P = Performance Test, A = Adjustment, T = Troubleshooting
Table 1-10 Recommended Accessories
Equipment
Directional BridgeFrequency Range: 5 MHz to 3 GHz
Critical Specifications for Accessory
Substitution
Directivity: >40 dB
Coupling factor: 16 dB nominal
Insertion Loss: 2 dB maximum
8491A
Option 020
11716 Series
Recommended
HP/Agilent Model
86205AP
P
Use
a
28Chapter 1
Calibrating
Table 1-10 Recommended Accessories
Before You Start
Equipment
Power Splitter
(for E4401B/
02B/03B/11B)
Power Splitter
(for E4404B/
05B/07B/08B)
Directional Coupler
(for E4404B/05B/
07B/08B)
Termination, 50
Ω
(2 required for
Option 1DN)
Critical Specifications for Accessory
Substitution
Frequency Range: 9 kHz to 13.2 GHz
Insertion Loss: 6 dB nominal
Output Tracking: <0.25 dB
Equivalent Output SWR: <1.22:1
Frequency Range: 9 kHz to 26.5 GHz
Insertion Loss: 6 dB nominal
Output Tracking: <0.25 dB
Equivalent Output SWR: <1.22:1
Frequency Range: 2 GHz to 15 GHz
Directivity: >16 dB
Max.VSWR: 1.35:1
Transmission Arm Loss: <1.5 dB
(nominal)
Coupled Arm Loss: ~ 10 dB (nominal)
Impedance: 50
Ω nominal
Connector: Type-N (m)
Recommended
HP/Agilent Model
11667AP,A
11667B
87300B
909AP,T
Use
a
Termination, 50
Termination, 75
ΩImpedance: 50 Ω (nominal) Connector:
Ω
(Option 1DQ, 1DP)
50 MHz Low Pass
Filter
300 MHz Low Pass
Filter
1 GHz Low Pass
Filter
BNC (m)
Impedance: 75
Ω (nominal) (2 required
for Option 1DQ) (1 required for
Option 1DP)
Cutoff Frequency: 50 MHz
Rejection at 65 MHz:
Rejection at 75 MHz:
>40 MHz
>60 dB
Cutoff Frequency: 300 MHz
Rejection at >435 MHz:
>45 dB
Cutoff Frequency: 1 GHz
Rejection at >2 GHz:
>60 dB
11593AP,A
909E
P, T
Option 201
0955-0306P
0955-0455P
0955-0487P
Chapter 1 29
Calibrating
Before You Start
Table 1-10 Recommended Accessories
Equipment
1.8 GHz Low Pass
Filter (for
Critical Specifications for Accessory
Substitution
Cutoff Frequency: 1.8 GHz
Rejection at >3 GHz:
>45 dB
E4404/5/7/8B)
4.4 GHz Low Pass
Filter (for
Cutoff Frequency: 4.4 GHz
Rejection at >5.5 GHz: >42 dB
E4404/5/7/8B)
a. P = Performance Test, A = Adjustment, T = Troubleshooting
Recommended
HP/Agilent Model
0955-0491
(2 required)
9135-0005 or
360D
(2 required)
Use
P
P
a
30Chapter 1
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