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Test and
Measurement Division
Service Manual Instrument
SPECTRUM ANALYZER
FSEA20/30
1065.6000.20/.25/35
FSEB20/30
1066.3010.20/.25/35
FSEM20/30
1080.1505.20/.21/.25
1079.8500.30/.31/.35
FSEK20/30
1088.1491.20/.21/.25
1088.3494.30/.31/.35
Printed in the Federal
Republic of Germany
1065.6016.82-14-
FSE Tabbed Divider Overview
Tabbed Divider Overview
Index
Safety Instructions
Certificate of Quality
Spare Parts Express Service
List of R&S Representatives
Contents of Manuals for Signal Analyzer
Service and Repair
Tabbed Divider
1 Chapter 1: Performance Test
2 Chapter 2: Adjustment
3 Chapter 3: Functional Description/Selftest
4 Chapter 4: Firmware Update/Options
5 Chapter 5: Documents
1065.6016.82 RE E-1
FSE Index
Index
1 N
st
1 IF Image Frequency Rejection ...................................1.7 Noise Display ............................................................... 1.15
1st IF Rejection ...............................................................1.8 Non-linearities ................................................................ 1.9
2 O
nd
2 IF Image Frequency Rejection ..................................1.8 Option
1-dB Attenuator - FSE-B13 ...................................... 4.2
3 2nd IEC/IEEE Bus Interface - FSE-B17 .................... 4.2
Ethernet Interface - FSE-B16................................... 4.2
3-dB Bandwidths ..........................................................1.13
External Mixer Output - FSE-B21............................. 4.2
A Installation ............................................................... 4.2
List........................................................................... 4.2
Adjustment .....................................................................2.1 Tracking Generator - FSE-B10/B11 ......................... 4.2
Attenuator.....................................................................1.19 Ordering of spare parts .................................................. 5.1
Option FSE-B22 .....................................................1.46 Output Level
Tracking Generator ................................................ 1.24
C
P
Cable list.........................................................................5.3
Calibration Source at 120 MHz .......................................1.3 Performance Test Report ............................................. 1.26
Option FSE-B22 .....................................................1.41 Option FSE-B22..................................................... 1.47
Checking the Rated Specifications .................................1.1 Phase Noise................................................................. 1.22
Circuit diagram ...............................................................5.5 Power cables ................................................................. 5.3
D R
Display Linearity ...........................................................1.18 Rated Specifications ...................................................... 1.1
Option FSE-B22 .....................................................1.45 Replacement parts
Documents .....................................................................5.1 ordering ................................................................... 5.2
Return Loss at the RF Input ........................................... 1.5
F
S
Firmware update.............................................................4.1
Frequency Accuracy of the Reference Oscillator ............1.4 Second-Order Harmonic Distortion............................... 1.10
Frequency Response....................................................1.16 Self test.......................................................................... 3.6
Option FSE-B22 .....................................................1.43 Shape Factor ............................................................... 1.14
Tracking Generator.................................................1.24 Shipping
instrument ................................................................ 5.1
I module..................................................................... 5.1
Softkey
I/Q Modulator
FIRMWARE UPDATE.............................................. 4.1
Tracking Generator.................................................1.25
RESTORE FIRMWARE ........................................... 4.1
IF Filters .......................................................................1.12
Software
Option FSE-B22 .....................................................1.42
installation................................................................ 4.1
IF Gain Switching .........................................................1.20
update...................................................................... 4.1
Imunity to Interference ....................................................1.7
Spare parts
L ordering ................................................................... 5.1
Level Error....................................................................1.12 T
Option FSE-B22 .....................................................1.42
Test Instructions............................................................. 1.3
LO Feedthrough............................................................1.15
Option FSE-B22..................................................... 1.41
M Third-Order Intercept...................................................... 1.9
Tracking Generator ...................................................... 1.24
Measuring Equipment .....................................................1.1
1065.6016.82 I.1 E-2
Safety Instructions
This unit has been designed and tested in accordance with the EC Certificate of Conformity and has left the
manufacturer's plant in a condition fully complying with safety standards.
To maintain this condition and to ensure safe operation, the user must observe all instructions and warnings
given in this operating manual.
Safety-related symbols used on equipment and documentation from R&S:
Observe Weight PE terminal Ground Danger! Warning! Ground Attention!
operating indication for terminal Shock hazard Hot surfaces Electrostatic
instructions units >18 kg sensitive de-
vices require
special care
1. The unit may be used only in the operating con- 7. It is not permissible to interrupt the PE conduc-
ditions and positions specified by the manufac- tor intentionally, neither in the incoming cable
turer. Unless otherwise agreed, the following nor on the unit itself as this may cause the unit
applies to R&S products: to become electrically hazardous.
IP degree of protection 2X, pollution severity 2 Any extension lines or multiple socket outlets
overvoltage category 2, only for indoor use, al- used must be checked for compliance with rele-
titude max. 2000 m. vant safety standards at regular intervals.
The unit may be operated only from supply net- 8. If the unit has no power switch for disconnection
works fused with max. 16 A. from the AC supply, the plug of the connecting
Unless specified otherwise in the data sheet, a cable is regarded as the disconnecting device.
tolerance of 10% shall apply to the nominal In such cases it must be ensured that the power
voltage and of 5% to the nominal frequency. plug is easily reachable and accessible at all
2. For measurements in circuits with voltages Vrms times (length of connecting cable approx. 2 m).
> 30 V, suitable measures should be taken to Functional or electronic switches are not suit-
avoid any hazards. able for providing disconnection from the AC
supply.
(using, for example, appropriate measuring
equipment, fusing, current limiting, electrical If units without power switches are integrated in
separation, insulation). racks or systems, a disconnecting device must
be provided at system level.
3. If the unit is to be permanently wired, the PE
terminal of the unit must first be connected to 9. Applicable local or national safety regulations
the PE conductor on site before any other con- and rules for the prevention of accidents must
nections are made. Installation and cabling of be observed in all work performed.
the unit to be performed only by qualified techni- Prior to performing any work on the unit or
cal personnel. opening the unit, the latter must be discon-
nected from the supply network.
4. For permanently installed units without built-in
Any adjustments, replacements of parts, main-
fuses, circuit breakers or similar protective de-
tenance or repair may be carried out only by
vices, the supply circuit must be fused such as
authorized R&S technical personnel.
to provide suitable protection for the users and
equipment. Only original parts may be used for replacing
parts relevant to safety (eg power switches,
5. Prior to switching on the unit, it must be ensured power transformers, fuses). A safety test must
that the nominal voltage set on the unit matches be performed after each replacement of parts
the nominal voltage of the AC supply network. relevant to safety.
If a different voltage is to be set, the power fuse (visual inspection, PE conductor test, insulation-
of the unit may have to be changed accordingly. resistance, leakage-current measurement, func-
6. Units of protection class I with disconnectible tional test).
AC supply cable and appliance connector may continued overleaf
be operated only from a power socket with
earthing contact and with the PE conductor con-
nected.
1065.6016.82 SI.1 E-2
Safety Instructions
10. Ensure that the connections with information 13. Electrostatics via the connectors may dam-
technology equipment comply with IEC950 / age the equipment. For the safe handling and
EN60950. operation of the equipment, appropriate
11. Lithium batteries must not be exposed to high measures against electrostatics should be im-
temperatures or fire. plemented.
Keep batteries away from children. 14. The outside of the instrument is suitably
If the battery is replaced improperly, there is cleaned using a soft, lint-free dustcloth. Never
danger of explosion. Only replace the battery by use solvents such as thinners, acetone and
R&S type (see spare part list). similar things, as they may damage the front
Lithium batteries are suitable for environmen- panel labeling or plastic parts.
tally-friendly disposal or specialized recycling. 15. Any additional safety instructions given in this
Dispose them into appropriate containers, only. manual are also to be observed.
Do not short-circuit the battery.
12. Equipment returned or sent in for repair must be
packed in the original packing or in packing with
electrostatic and mechanical protection.
The instrument contains components which are hazardous to electrostatic exposure and which are marked by the
following symbol: