Rohde & Schwarz RT-ZZ80 Bedienungsanleitung
R&S®RT-ZZ80
Transmission Line Probe
User Manual
1409768902
Version 03
(>9Úç2)
This user manual describes the following R&S®RT-ZZ models:
●R&S®RT-ZZ80 (1409.7608.02)
© 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.
1409.7689.02 | Version 03 | R&S®RT-ZZ80
Throughout this manual, products from Rohde & Schwarz are indicated without the ® symbol and without
product type numbers, e.g. R&S®RT-ZZ80 is indicated as R&S RT-ZZ80.
Contents
R&S®RT-ZZ80
3User Manual 1409.7689.02 ─ 03
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....................................................................10
2.3 Description of the probe.....................................................................11
2.3.1 Probe head............................................................................................11
2.3.2 SMA connector and SMA to BNC adapter............................................12
2.4 Accessories and items....................................................................... 13
2.4.1 Accessories supplied............................................................................ 13
2.4.2 Optional accessories.............................................................................15
2.4.3 Service accessories.............................................................................. 15
3 Connecting the probe..........................................................16
3.1 Handling the probe............................................................................. 16
3.2 Connecting the probe to the oscilloscope....................................... 16
3.3 Zero adjustment.................................................................................. 17
3.4 Connecting the probe to the DUT......................................................18
4 Measurement principles......................................................22
4.1 Signal integrity of the transferred signal..........................................24
4.1.1 Bandwidth............................................................................................. 24
4.1.2 Performance with different connection types........................................ 26
4.2 Signal loading of the input signal..................................................... 28
Contents
R&S®RT-ZZ80
4User Manual 1409.7689.02 ─ 03
4.2.1 Transmission line probes...................................................................... 28
4.2.2 Input impedance................................................................................... 29
4.3 Attenuation dependence on source impedance.............................. 31
5 Maintenance and service.................................................... 33
5.1 Cleaning...............................................................................................33
5.2 Contacting customer support............................................................33
5.3 Returning for servicing...................................................................... 34
5.4 Calibration interval............................................................................. 34
5.5 Storage and transport........................................................................ 35
5.6 Disposal............................................................................................... 35
5.7 Spare parts.......................................................................................... 35
Safety and regulatory information
R&S®RT-ZZ80
5User Manual 1409.7689.02 ─ 03
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-ZZ80 transmission line 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.
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
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.
Safety instructions
Safety and regulatory information
R&S®RT-ZZ80
6User Manual 1409.7689.02 ─ 03
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.
Consider that the rated voltage depends on the frequency. The voltage limita-
tion curves or values are provided in the data sheet.
Safety instructions
Safety and regulatory information
R&S®RT-ZZ80
7User Manual 1409.7689.02 ─ 03
●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-ZZ80
8User Manual 1409.7689.02 ─ 03
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-ZZ80
9User Manual 1409.7689.02 ─ 03
2 Product description
2.1 Key features and key characteristics
Transmission line probes like R&S RT-ZZ80 are a special type of passive probes.
They are based on an impedance-controlled microwave cable (transmission line),
which is terminated into a 50 Ω input impedance of the measuring instrument.
Compared to standard passive probes, the main differences of transmission line
probes are:
●Higher bandwidth
●Higher input impedance at high frequencies
●Lower input impedance at DC
Transmission line probes are best suited for measurements of broadband single-
ended signals in impedance-controlled environments, for example, 50 Ω lines.
The R&S RT-ZZ80 has a wide dynamic range. High input levels up to 20 V (RMS)
can be measured without distortion. The low inherent noise enables the measure-
ment of small input signals.
The comprehensive accessory set allows connection to a wide variety of devices
under test (DUT) without impairing the very high bandwidth, short rise time and
the low input capacitance of the R&S RT-ZZ80.
The R&S RT-ZZ80 has a standard SMA connector. For BNC input terminals, the
BNC to SMA adapter R&S RT-ZA10 is delivered with the probe. Thus the probe
can be connected to any Rohde & Schwarz oscilloscope and to most other high-
frequency measuring instruments.
The key characteristics of the probe are the following:
Bandwidth DC to 8 GHz
Maximum input voltage 20 V (RMS)
Input resistance 500 Ω
Input capacitance 0.3 pF
Full dynamic range over the entire frequency range
No harmonic distortions
Key features and key characteristics
Product description
R&S®RT-ZZ80
10User Manual 1409.7689.02 ─ 03
Negligible noise contribution
Standard SMA connector
2.2 Unpacking and checking
1. Unpack the product carefully.
2. Retain the original packing material. Use it when transporting or shipping the
product later.
3. Using the delivery notes, check the equipment for completeness.
4. Check the equipment for damage.
If the delivery is incomplete or equipment is damaged, contact
Rohde & Schwarz.
Delivery notes
The delivery contains the following items:
●R&S RT-ZZ80 transmission line probe
●Carrying case
●Accessory boxes
●User manual
●Data sheet
●Calibration certificate
●Documentation of calibration values (if
ordered)
●Safety instructions for oscilloscopes and
accessories (multilingual)
Accessories supplied with the probe are listed in Chapter 2.4.1, "Accessories
supplied", on page 13.
Unpacking and checking
Andere Handbücher für RT-ZZ80
1
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