R&S ZVA80 Bedienungsanleitung
R&S®ZVA80
Broadband Measurements Using the
1 mm External Test Sets
Quick Start Guide
Quick Start Guide
(=<Ò8Ì)
1312.6808.62 ─ 02
Test & Measurement
This Quick Start Guide describes the following network analyzer types:
●R&S® ZVA80, stock number 1312.6750.02, complete system based on R&S®ZVA-BU
●R&S® ZVA80, stock number 1312.6750.03, complete system based on R&S®ZVA50
●R&S® ZVA80, stock number 1312.6750.04, modular system
This guide complements the basic Quick Start Guide for all R&S®ZVA network analyzers, stock number
1145.1090.62 and the Quick Start Guide for frequency converters R&S®ZVA-Zxxx, stock number
1307.7039.62. It describes the operation of the R&S®ZVA80 with external test sets.
© 2010 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Munich, Germany
Phone: +49 89 41 29 - 0
Fax: +49 89 41 29 12 164
E-mail: [email protected]
Internet: http://www.rohde-schwarz.com
Printed in Germany – Subject to change – Data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
The following abbreviations are used throughout this guide: R&S®ZVAxx as R&S ZVAxx, R&S®ZVTxx as R&S ZVTxx, R&S®ZVA-BU
as R&S ZVA-BU, R&S®ZVA-ZD80 as R&S ZVA-ZD80, R&S®ZVA-Zxxx as R&S ZVA-Zxxx, R&S®ZV-Zxxx as R&S ZV-Zxxx, R&S®ZV-
WRxx as R&S ZV-WRxx.
Contents
R&S®ZVA80
3Quick Start Guide 1312.6808.62 ─ 02
Contents
1Safety Instructions.................................................................................5
2Preparing the Analyzer for Use.............................................................6
2.1 Operation with External Test Sets...............................................................................6
2.2 R&S ZVA80 Base Unit Connectors..............................................................................7
2.2.1 PORT 1 and PORT 2 Connectors ..................................................................................7
2.2.2 PORT 3 and PORT 4 Connectors...................................................................................8
2.3 Diplexer Connectors.....................................................................................................8
2.3.1 Test Port..........................................................................................................................9
2.3.2 H/L SWITCH Connector................................................................................................10
2.3.3 Rear Panel....................................................................................................................10
2.3.4 Fuse Holder...................................................................................................................11
2.4 Frequency Converter Connectors.............................................................................11
2.4.1 Waveguide Flange........................................................................................................11
2.4.2 Output Power Adjusting Screw.....................................................................................12
2.4.3 Rear Panel....................................................................................................................12
2.4.3.1 Standby Switch.............................................................................................................13
2.4.3.2 Power Supply Connector..............................................................................................13
2.4.3.3 Fuse Holder...................................................................................................................14
2.4.3.4 RF Connectors – Input..................................................................................................14
2.4.3.5 IF Connectors – Output.................................................................................................15
2.5 Putting the Analyzer into Operation..........................................................................15
2.5.1 Unpacking and Checking the Instrument......................................................................15
2.5.2 Positioning the Instrument.............................................................................................16
2.5.3 Adjusting the Feet of the Test Set.................................................................................16
2.5.4 Connecting the Control Cable.......................................................................................17
2.5.5 Connecting RF Cables..................................................................................................17
2.5.6 Connecting the Converter to the DC Supply.................................................................20
2.5.7 Switching on the External Test Set...............................................................................21
2.5.8 Mounting a DUT............................................................................................................21
2.5.9 Replacing Fuses...........................................................................................................21
2.6 Maintenance................................................................................................................21
Contents
R&S®ZVA80
4Quick Start Guide 1312.6808.62 ─ 02
2.7 Storing and Packing...................................................................................................22
3Basic Operation....................................................................................23
3.1 Required Equipment...................................................................................................23
3.2 Measurement Principle...............................................................................................23
3.3 Activating the ZVA80-BU Measurement Mode.........................................................23
3.4 Connecting the External Test Sets............................................................................24
3.5 Calibration...................................................................................................................25
3.6 Measurement...............................................................................................................26
3.7 Troubleshooting..........................................................................................................27
3.8 Special Considerations for Type 03 and 04 Systems..............................................27
3.9 Additional Information................................................................................................28
4Dismounting Frequency Converters..................................................29
4.1 Service Re-Calibration................................................................................................30
Index......................................................................................................31
Safety Instructions
R&S®ZVA80
5Quick Start Guide 1312.6808.62 ─ 02
1 Safety Instructions
This vector network analyzer has been designed and tested in accordance with the EC
Certificate of Conformity and has left the manufacturer’s plant in a condition fully com-
plying with safety standards.
Risk of instrument damage
To prevent instrument damage make sure to read through and observe the following
safety instructions.
ESD protective measures
To protect the network analyzer and the external test sets against damage due to Elec-
trostatic Discharge (ESD) use the wrist strap and grounding cord supplied with the net-
work analyzer and connect yourself to the GND connector at the front panel of the ana-
lyzer. For details refer to the R&S ZVA Quick Start Guide, stock no. 1145.1090.62.
Input powers RF IN and LO IN
The RF input power at the connectors RF IN and LO IN must not exceed the maximum
values quoted in the data sheet. The maximum values are below the maximum RF source
power of the network analyzer. The "ZVA80-BU" mode ensures compatible source pow-
ers.
Before you connect your external test set to the network analyzer, always activate the
"ZVA80-BU" mode using the "Frequency Converter" dialog (see chapter 3.3, "Activating
the ZVA80-BU Measurement Mode", on page 23).
Avoid heavy shocks
Heavy shocks can damage inner parts of the devices. Shock-proof packing should there-
fore be used for storing or dispatching the analyzer and the external test sets.
Opening the instrument
Do not open the frequency converter and diplexer elements of the external test sets.
Repair can only be done at the manufacturer's servicing department.
Using frequency converters separately
The frequency converters may be dismounted from the external test sets and used sep-
arately; see chapter 4, "Dismounting Frequency Converters", on page 29. The wave-
guide flanges of the dismounted converters and of the test port adapters must be pro-
tected against mechanical damage. Furthermore the waveguides must be shielded from
dust.
Protect the waveguide flange of the dismounted converter by leaving a test port adapter
connected. When the converter is not in use attach one of the included protective caps
to the adapter. Avoid scratching the contact surfaces of the waveguide flanges.
Preparing the Analyzer for Use
R&S®ZVA80
6Quick Start Guide 1312.6808.62 ─ 02
2 Preparing the Analyzer for Use
The R&S ZVA80 vector network analyzer supports two essentially different measurement
modes:
●Measurements with internal test sets cover a frequency range between 10 MHz and
approx. 50 GHz. On an R&S ZVA80 type 02 (stock no. 1312.6750.02), the DUT is
connected to the test port connectors PORT 1 and/or PORT 2 of the R&S ZVA80
base unit (BU). One and two-port measurements can be performed as described in
the R&S ZVA Quick Start Guide, stock number 1145.1090.62, and in the network
analyzer's help system.
The R&S ZVA80 types 03 and 04 (stock numbers 1312.6750.03 and 1312.6750.04)
are based on R&S ZVA50 vector network analyzers. The DUT can be connected to
any of the four test ports of the R&S ZVA50. One to four-port measurements are
supported.
●Measurements with external test sets cover an extended frequency range between
10 MHz and 80 GHz. The DUT is connected to the 1 mm connector(s) at the front of
the diplexers R&S ZVA-ZD80. This measurement mode is described in the present
manual.
This chapter describes the external test sets and their connection to the DUT and to the
R&S ZVA80 vector network analyzer. A typical measurement example is presented in
chapter 3, "Basic Operation", on page 23.
The measurement mode is selected in the "Frequency Converter" tab of the "System
Configuration" dialog: "NONE" for measurements with internal test sets, "ZVA80-BU" for
external test sets. See chapter 3.3, "Activating the ZVA80-BU Measurement Mode",
on page 23.
2.1 Operation with External Test Sets
The external test sets enable a frequency range between 10 MHz and 80 GHz. The
analyzer combines two different measurement methods to achieve this extended range.
●At frequencies below approx. 50 GHz (i.e. in "low frequency" mode), the frequency
converter in the external test set is bypassed. The source signals from test ports
PORT 1 / 2 of the R&S ZVA80 base unit are directly fed to the 1 mm test port con-
nectors of the diplexers. The analyzer measures the a-waves (reference channels)
from REF OUT and the b-waves (measurement channels) from MEAS OUT on the
diplexers. The connector groups PORT 3 / 4 on the R&S ZVA80 base unit and the
RF connectors LO IN, RF IN, REF OUT, MEAS OUT on the rear panel of the con-
verters are not used.
●To achieve frequencies above approx. 50 GHz (i.e. to measure in "high frequency"
mode), the source signals from test ports PORT 1 / 2 of the R&S ZVA80 base unit
are fed to the frequency converters; the converted signals are routed to the 1 mm
test port connectors of the diplexers. The frequency converters use frequency mul-
tipliers to transform the source signal into a high-frequency stimulus signal. An addi-
Operation with External Test Sets
Preparing the Analyzer for Use
R&S®ZVA80
7Quick Start Guide 1312.6808.62 ─ 02
tional Local Oscillator (LO) signal from PORT 3 / 4 of the analyzer is used for down-
conversion of the reference and measurement channels. The analyzer measures the
a-waves from REF OUT and the b-waves from MEAS OUT on the converters. The
RF connectors REF OUT, MEAS OUT on the rear panel of the diplexers are not used.
The analyzer automatically switches between low frequency and high frequency mode,
depending on the stimulus frequency; see chapter 2.3.2, "H/L SWITCH Connector",
on page 10. There is no need to change the test setup and cabling.
2.2 R&S ZVA80 Base Unit Connectors
The front and rear panel controls and connectors of the R&S ZVA80 BU are described
in the R&S ZVA Quick Start Guide, stock number 1145.1090.62 and in the network ana-
lyzer's help system. The following sections describe special aspects for measurements
with external test sets.
2.2.1 PORT 1 and PORT 2 Connectors
The PORT 1 and PORT 2 connector groups are similar. Each of them consists of a bidir-
ectional, ruggedized 2.4 mm connector and 3 pairs of 1.85 mm (V) connectors for direct
generator and receiver access.
The connectors are used alternatively:
●The 2.4 mm connector serves as a test port connector for one or two-port measure-
ments with internal test set. In this operating mode, the three 1.85 mm connector
pairs are generally not needed, however, they can provide an extended measurement
functionality (see R&S ZVA Quick Start Guide, stock number 1145.1090.62, and the
network analyzer's help system). Unused OUT/IN loops must be closed by means of
jumpers as shown in the figure above.
●The SOURCE OUT connector provides the RF source signal for the external test
set. SOURCE OUT is connected to the rear panel of the diplexer. In the low frequency
range below approx. 50 GHz, REF IN and MEAS IN receive the reference waves and
measured waves from the diplexer, respectively. The 1 mm connector of the diplexer
serves as a test port connector; the 2.4 mm connectors at PORT 1 / 2 are not needed.
See also chapter 2.1, "Operation with External Test Sets", on page 6 and chapter 2.5.5,
"Connecting RF Cables", on page 17.
R&S ZVA80 Base Unit Connectors
Preparing the Analyzer for Use
R&S®ZVA80
8Quick Start Guide 1312.6808.62 ─ 02
Maximum input levels
The maximum RF input levels at the 2.4 mm connectors and at all 1.85 mm inputs
according to the front panel labeling or the data sheet must not be exceeded. In addition,
it is important that the signal fed in at the 1.85 mm inputs contains no DC offset, as this
may impair the measurements and even cause damage to the instrument.
2.2.2 PORT 3 and PORT 4 Connectors
The PORT 3 and PORT 4 connector groups provide a reduced set of connectors. No
additional ruggedized 2.4 mm test port connector is available.
The connectors are required for measurements in the high frequency range above
approx. 50 GHz only.
●The SOURCE OUT 2.92 mm (K) connector provides the Local Oscillator (LO) signal
for the frequency converter of the external test set.
●The SMA inputs REF IN and MEAS IN receive the measured waves and reference
waves from the converter, respectively.
See also chapter 2.1, "Operation with External Test Sets", on page 6 and chapter 2.5.5,
"Connecting RF Cables", on page 17.
Maximum input levels
The maximum RF input levels at all SMA inputs according to the front panel labeling or
the data sheet must not be exceeded. In addition, it is important that the signal fed in at
the SMA inputs contains no DC offset, as this may impair the measurements and even
cause damage to the instrument.
2.3 Diplexer Connectors
The R&S ZVA80 is delivered with two fully assembled external test sets, each consisting
of a diplexer R&S ZVA-ZD80 and a frequency converter R&S ZVA-Z75.
Diplexer Connectors
Preparing the Analyzer for Use
R&S®ZVA80
9Quick Start Guide 1312.6808.62 ─ 02
Fig. 2-1: Connection between diplexer (right) and frequency converter (left)
The connection of the diplexer and the frequency converter includes conducting lines for
waves and power supply:
●The RF HIGH OUT connector on the top side of the diplexer is connected to RF IN
on the rear panel of the converter using a semi-rigid RF cable.
●The waveguide connector on the top side of the diplexer is connected to the wave-
guide flange of the converter.
●The connection underneath the waveguide flange ensures the power supply of the
diplexer.
An additional metal clamp at the bottom ensures mechanical stability.
Dismounting the frequency converter
The connection shown above is suitable for all operating modes and measurements. Only
dismount the frequency converter from the diplexer if you want to use it separately; see
chapter 4, "Dismounting Frequency Converters", on page 29.
2.3.1 Test Port
1 mm (m) connector, serves as an output for RF stimulus signals and as an input for the
measured RF signals from the DUT (response signals).
●With a single external test set, it is possible to generate a stimulus signal and measure
the response signal in reflection.
●With two external test sets, it is possible to perform full 2-port measurements.
Diplexer Connectors
Preparing the Analyzer for Use
R&S®ZVA80
10Quick Start Guide 1312.6808.62 ─ 02
Maximum input level, mechanical damage
Do not exceed the maximum input level at the test port according to the data sheet,
especially when using active DUTs or external amplifiers.
To avoid mechanical damage when connecting devices to the 1 mm connector, always
use the torque wrench supplied with the R&S ZVA80.
2.3.2 H/L SWITCH Connector
The H/L SWITCH connectors on the top side of each diplexer are input connectors for
the control signals from the USER CONTROL connector on the rear panel of the R&S
ZVA80 base unit; see chapter 2.5.4, "Connecting the Control Cable", on page 17.
2.3.3 Rear Panel
The rear panel of the diplexer provides input and output connectors for RF signals and a
DC input. Connectors labeled LOW are used in low frequency mode only; see chapter 2.1,
"Operation with External Test Sets", on page 6.
Fig. 2-2: Rear panel of the diplexer
●MEAS OUT LOW is a 1.85 mm (V) female connector which provides the measured
signal (b wave) in low frequency mode.
●RF IN LOW / HIGH is a 1.85 mm (V) female connector which receives the RF source
signal from the R&S ZVA80 base unit. This connector is used in low frequency and
in high frequency mode.
●REF OUT LOW is a 1.85 mm (V) female connector which provides the reference
signal (a wave) in low frequency mode.
●BIAS is a BNC connector which serves as a DC bias input for the external test set.
The BIAS input is protected by an exchangeable fuse; see chapter 2.3.4, "Fuse
Holder", on page 11.
MEAS OUT, RF IN, and REF OUT are connected to the corresponding 1.85 mm con-
nectors of PORT 1 / 2 at the R&S ZVA80 base unit. The complete RF connection of the
external test set is described in chapter 2.5.5, "Connecting RF Cables", on page 17.
Diplexer Connectors
Inhaltsverzeichnis
Andere R&S Messgerät Handbücher
R&S
R&S NGU Bedienungsanleitung
R&S
R&S FSV-K8 Bedienungsanleitung
R&S
R&S FSV-K70 Bedienungsanleitung
R&S
R&S ZVA Series Bedienungsanleitung
R&S
R&S Vibracap Bedienungsanleitung
R&S
R&S ZNH Bedienungsanleitung
R&S
R&S ZNA26 Bedienungsanleitung
R&S
R&S RT-ZP05S Bedienungsanleitung
R&S
R&S ZNL Bedienungsanleitung
R&S
R&S DVMS1 Bedienungsanleitung
R&S
R&S LCX Series Bedienungsanleitung
R&S
R&S FSMR3000 Bedienungsanleitung
R&S
R&S ZND Bedienungsanleitung
R&S
R&S NRX Series Bedienungsanleitung
R&S
R&S ZVAX-TRM Bedienungsanleitung
R&S
R&S FPC Series Bedienungsanleitung
R&S
R&S FSVA3000 Series Bedienungsanleitung
R&S
R&S FSW Series Bedienungsanleitung
R&S
R&S ENV216 Bedienungsanleitung
R&S
R&S RT-ZD10 Bedienungsanleitung
