R&S RT-ZD10 Manual de usuario
R&S®RT‑ZD10/20/30
Active Differential Probe
R&S®RT‑ZA15
External Attenuator
User Manual
1410455002
Version 06
(>:]À2)
This user manual describes the following R&S®RT-ZD models and external
attenuators:
●R&S®RT-ZD10 (1410.4715.02)
●R&S®RT-ZD20 (1410.4409.02)
●R&S®RT-ZD30 (1410.4609.02)
●R&S®RT-ZA15 (1410.4744.02)
© 2023 Rohde & Schwarz GmbH & Co. KG
Muehldorfstr. 15, 81671 Muenchen, Germany
Phone: +49 89 41 29 - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
All other trademarks are the properties of their respective owners.
1410.4550.02 | Version 06 | R&S®RT‑ZD10/20/30
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol and without
product type numbers, e.g. R&S®RT-ZD10/20/30 is indicated as R&S RT-ZD10/20/30, and R&S®ProbeMe-
ter is indicated as R&S ProbeMeter.
Contents
R&S®RT‑ZD10/20/30
3User Manual 1410.4550.02 ─ 06
Contents
1 Safety and regulatory information....................................... 5
1.1 Safety instructions................................................................................5
1.2 Labels on the product.......................................................................... 7
1.3 Warning messages in the documentation.......................................... 8
2 Product description...............................................................9
2.1 Key features and key characteristics..................................................9
2.2 Unpacking and checking....................................................................11
2.3 Description of the probe.................................................................... 12
2.4 Accessories and items....................................................................... 13
3 Connecting the probe..........................................................20
3.1 Handling the probe............................................................................. 20
3.2 Connecting the probe to the oscilloscope....................................... 20
3.3 Identification of the probe..................................................................21
3.4 Connecting the probe to the DUT......................................................22
4 R&S RT-ZA15 external attenuator...................................... 28
4.1 Key characteristics............................................................................. 28
4.2 Description.......................................................................................... 28
4.3 Inserting the probe............................................................................. 29
4.4 Adjusting............................................................................................. 30
5 Features and characteristics of R&S RT‑ZD10/20/30
probes...................................................................................35
5.1 Zero adjustment.................................................................................. 35
5.2 Micro button........................................................................................ 36
5.3 R&S ProbeMeter..................................................................................36
Contents
R&S®RT‑ZD10/20/30
4User Manual 1410.4550.02 ─ 06
5.4 Offset compensation.......................................................................... 37
5.5 Characteristics of differential probes............................................... 40
5.6 Measurement principles.....................................................................44
6 Maintenance and service.................................................... 55
6.1 Cleaning...............................................................................................55
6.2 Contacting customer support............................................................55
6.3 Returning for servicing...................................................................... 56
6.4 Calibration interval............................................................................. 56
6.5 Storage and transport........................................................................ 57
6.6 Disposal............................................................................................... 57
6.7 Spare parts.......................................................................................... 57
7 Functional check................................................................. 61
Safety and regulatory information
R&S®RT‑ZD10/20/30
5User Manual 1410.4550.02 ─ 06
1 Safety and regulatory information
The product documentation helps you to use the product safely and efficiently.
Follow the instructions provided here and throughout the manual.
Intended use
The product is intended for the development, production and verification of elec-
tronic components and devices in industrial, administrative, and laboratory envi-
ronments. Use the product only for its designated purpose. Observe the operating
conditions and performance limits stated in the data sheet.
The R&S RT‑ZD10/20/30 differential probe is designed for measurements on cir-
cuits that are only indirectly connected to the mains or not connected at all. It is
not rated for any measurement category.
The probe is designed for usage with oscilloscopes that have a Rohde & Schwarz
probe interface. Supported Rohde & Schwarz oscilloscopes are listed in the pro-
be's data sheet.
Where do I find safety information?
Safety information is part of the product documentation. It warns you of potential
dangers and gives instructions on how to prevent personal injury or damage
caused by dangerous situations. Safety information is provided as follows:
●In Chapter 1.1, "Safety instructions", on page 5. The same information is
provided in many languages as printed "Safety Instructions". The printed
"Safety Instructions" are delivered with the product.
●Throughout the documentation, safety instructions are provided when you
need to take care during setup or operation.
1.1 Safety instructions
Products from the Rohde & Schwarz group of companies are manufactured
according to the highest technical standards. To use the products safely, follow
the instructions provided here and in the product documentation. Keep the prod-
uct documentation nearby and offer it to other users.
Use the product only for its intended use and within its performance limits. Inten-
ded use and limits are described in the product documentation such as the data
Safety instructions
Safety and regulatory information
R&S®RT‑ZD10/20/30
6User Manual 1410.4550.02 ─ 06
sheet, manuals and the printed "Safety Instructions for Oscilloscopes and Acces-
sories" document. If you are unsure about the appropriate use, contact
Rohde & Schwarz customer service.
Using the product requires specialists or specially trained personnel. These users
also need sound knowledge of at least one of the languages in which the user
interfaces and the product documentation are available.
Reconfigure or adjust the product only as described in the product documentation
or the data sheet. Any other modifications can affect safety and are not permitted.
Never open the casing of the product. Only service personnel authorized by
Rohde & Schwarz are allowed to repair the product. If any part of the product is
damaged or broken, stop using the product. Contact Rohde & Schwarz customer
service at https://www.rohde-schwarz.com/support.
In these safety instructions, the term "product" covers instruments (oscillo-
scopes), probes and their accessories.
Choosing the operating site
Only use the product indoors. The product casing is not waterproof. Water that
enters can electrically connect the casing with live parts, which can lead to elec-
tric shock, serious personal injury or death if you touch the casing. If
Rohde & Schwarz provides accessories designed for outdoor use of your product,
e.g. a protective cover, you can use the product outdoors.
Unless otherwise specified in the data sheet, you can operate the product up to
an altitude of 2000 m above sea level.
The product is suitable for pollution degree 2 environments where nonconductive
contamination can occur. For more information on environmental conditions such
as ambient temperature and humidity, see the data sheet.
Performing measurements
Take the following measures for your safety:
●To ascertain voltage-free state, use an appropriate voltage tester. Any mea-
surement setup including an oscilloscope is not suitable for this purpose.
●The maximum input voltage on channel inputs and the external trigger input
must not exceed the value specified in the data sheet.
●Observe all voltage and current ratings of the instrument, the probes, and the
accessories. Exceeding the allowed voltages can lead to an electric shock.
Limits and ratings are marked on the products and listed in the data sheets.
Safety instructions
Safety and regulatory information
R&S®RT‑ZD10/20/30
7User Manual 1410.4550.02 ─ 06
Consider that the rated voltage depends on the frequency. The voltage limita-
tion curves or values are provided in the data sheet.
●Never cause any short circuits when measuring sources with high output cur-
rents.
●Use only probes and accessories that comply with the measurement category
(CAT) of your measurement task. If the product is rated for any measurement
category, the permitted category is indicated on the product and in the data
sheet. If you use other than Rohde & Schwarz accessories, make sure that
they are suitable for the instrument and the measurement task.
●Set the correct attenuation factor on the instrument according to the probe
being used. Otherwise, the measurement results do not reflect the actual volt-
age level, and you might misjudge the actual risk.
●The probe pins are extremely pointed and can easily penetrate clothes and
the skin. Handle the probe pins with great care. To exchange a probe pin, use
tweezers or pliers to avoid injuries. When transporting the accessories, always
use the box supplied with the probe.
●Prevent the probe from receiving mechanical shock. Avoid putting excessive
strain on the probe cable or exposing it to sharp bends. Touching a broken
cable during measurements can cause injuries.
●Set up all probe connections to the instrument before applying power.
1.2 Labels on the product
Labels on the casing inform about:
●Personal safety
●Product and environment safety
●Identification of the product
Table 1-1: Meaning of safety labels
Potential hazard
Read the product documentation to avoid personal injury or product damage.
Labels on the product
Safety and regulatory information
R&S®RT‑ZD10/20/30
8User Manual 1410.4550.02 ─ 06
1.3 Warning messages in the documentation
A warning message points out a risk or danger that you need to be aware of. The
signal word indicates the severity of the safety hazard and how likely it will occur
if you do not follow the safety precautions.
WARNING
Potentially hazardous situation. Could result in death or serious injury if not avoi-
ded.
CAUTION
Potentially hazardous situation. Could result in minor or moderate injury if not
avoided.
NOTICE
Potential risks of damage. Could result in damage to the supported product or to
other property.
Warning messages in the documentation
Product description
R&S®RT‑ZD10/20/30
9User Manual 1410.4550.02 ─ 06
2 Product description
2.1 Key features and key characteristics
The R&S RT‑ZD10/20/30 is a differential probe with high input impedance. It is
used for differential voltage measurements from DC to 1.0 GHz, 1.5 GHz, and
3 GHz, respectively.
Differential probes can be used for single-ended and differential applications.
They are equipped with two high-impedance inputs and can measure the voltage
between any two test points. Unlike using single-ended probes, there is no need
to ensure that one of the test points is always at ground potential.
The comprehensive accessory set allows this probe to be connected to a wide
variety of devices under test (DUT). Provided with special features such as the
R&S ProbeMeter and the micro button, the R&S RT‑ZD10/20/30 is designed to
meet tomorrow's challenges in probing.
The external attenuator R&S RT-ZA15 can be used to extend the input voltage
range of the R&S RT‑ZD10/20/30. It is supplied with the R&S RT-ZD10 and is
available as optional accessory for the R&S RT-ZD20 and R&S RT-ZD30.
The probe is equipped with the Rohde & Schwarz probe interface. It can be con-
nected to any Rohde & Schwarz instrument that is compatible with this interface.
When connected to the front panel, the probe is controlled by the oscilloscope's
software. Supported oscilloscopes are listed in the data sheet.
Using a special adapter, the probe can also be connected to any other base unit
(see Chapter 2.4.2, "Optional accessories", on page 17).
2.1.1 Key characteristics
The key characteristics of the probe are the following:
Bandwidth DC to 1.0 GHz (R&S RT-ZD10)
DC to 1.5 GHz (R&S RT-ZD20)
DC to 3.0 GHz (R&S RT-ZD30)
Dynamic range
(differential input)
±5 V with ±5 V offset capability
10 V AC (Vpp)
Key features and key characteristics
Product description
R&S®RT‑ZD10/20/30
10User Manual 1410.4550.02 ─ 06
Operating voltage window
(each pin to GND)
±8 V with ±22 V common mode offset capability
Available for R&S RT‑ZD10/20/30 probes with serial
number ≥ 200000
Maximum non-destructive input voltage ±30 V
Between each signal pin and ground
Diff. input resistance 1 MΩ
Diff. input capacitance 0.6 pF
R&S ProbeMeter, measurement error <0.1 %
Extremely low zero and gain errors throughout the entire temperature range, no significant tem-
perature drift
Micro button
Rohde & Schwarz probe interface
2.1.2 Key features
Micro button
The micro button remotely controls important functions of the Rohde & Schwarz
oscilloscope. The function is assigned at the oscilloscope.
For details, see Chapter 5.2, "Micro button", on page 36.
R&S ProbeMeter
The R&S ProbeMeter measures the DC voltage of the input signal directly at the
probe tip. It provides a continuous high-precision DC voltage measurement that is
independent of the settings of the oscilloscope and runs in parallel to the time
domain measurement. If activated on the base unit, the measured value is dis-
played on the screen of the Rohde & Schwarz oscilloscope.
The R&S ProbeMeter simultaneously measures both differential and common
mode DC voltages.
For details, see Chapter 5.3, "R&S ProbeMeter", on page 36.
Data memory
The probe has an integrated data memory, containing the individual probe correc-
tion parameters (e.g. gain, delay, offset). These parameters are read out and pro-
Key features and key characteristics
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