Vector network analyzers

Vector network analyzers

Measurement excellence that drives innovations

The Rohde & Schwarz vector network analyzer portfolio. Precise, fast, versatile.

Vector network analysis (VNA) is one of the most essential RF and microwave measurement approaches.

Rohde & Schwarz offers a wide range of versatile, high-performance network analyzers up to 1.1 THz and standard multiport solutions up to 48 ports. A Rohde & Schwarz vector network analyzer is the perfect tool for analyzing passive and active components such as filters, amplifiers, mixers and multiport modules.

The network analyzers feature excellent RF characteristics and a wide variety of analysis functions that help the user evaluate important parameters at a glance.

Product List
Compare
Product Name
Max. frequency
Test port output power
Port count
Instrument class
Starting at
Max. frequency
67 GHz
Test port output power
+17 dBm
Port count
2/4
Instrument class
High end
Starting at
Max. frequency
110 GHz
Test port output power
+8 dBm
Port count
2
Instrument class
High end
Starting at
Max. frequency
20 GHz
Test port output power
+13 dBm
Port count
6/8
Instrument class
Multiport
Starting at
Max. frequency
40 GHz
Test port output power
+13 dBm
Port count
24
Instrument class
Multiport
Starting at
Max. frequency
40 GHz
Test port output power
+13 dBm
Port count
2/4
Instrument class
General purpose
Starting at
Max. frequency
8.5 GHz
Test port output power
+3 dBm
Port count
2
Instrument class
Economy
Starting at
Max. frequency
6 GHz
Test port output power
0 dBm
Port count
2
Instrument class
Economy
Starting at
Max. frequency
6 GHz
Test port output power
0 dBm
Port count
2
Instrument class
Economy
Starting at
Max. frequency
13.6 GHz
Test port output power
0 dBm
Port count
2
Instrument class
Economy
Starting at
Max. frequency
4 GHz
Test port output power
-3 dBm
Port count
2
Instrument class
Handheld
Starting at
Max. frequency
8 GHz
Test port output power
0 dBm
Port count
2
Instrument class
Handheld
Starting at
Max. frequency
26.5 GHz
Test port output power
0 dBm
Port count
2
Instrument class
Handheld
Starting at
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Discontinued products
Product Name
Successor
Successor
Vector network analyzer partners

Vector network analyzer partners

Rohde & Schwarz is partnering with other well known companies in the industry to provide customers with the best possible solutions. The company is addressing user needs by adding complementary hardware and software to its broad portfolio of vector network analyzers.

Remote Control and Instrument Drivers
Remote Control and Instrument Drivers

Remote control of Rohde & Schwarz test and measurement devices, including the vector network analyzers, is fully supported. The automation of measurement tasks using programming or scripting languages helps to reduce measurement time. Programming examples and instrument drivers provide an easy support for those taking their first steps in programming, as well as for more advanced users.

VNA FAQs

How does a vector network analyzer work?

A vector network analyzer (VNA) includes both source signals and receivers. The receivers detect changes to the output signal from a device (or network), compared to the source signals input to the device. By comparing the ways in which current and voltage are effected by the device, a VNA can measure both the amplitude and phase responses caused by the device. The results are transmission measurements (transmission coefficient, insertion loss, gain), reflection measurements (reflection coefficient, VSWR, return loss), impedance and the S parameters (scattering parameters) S11, S12, S21, S22.

Why use a network analyzer?

The VNA is one of the most essential tools for RF and microwave measurements and analyzes various passive and active components like filters, antennas or power amplifiers, as it can derive transmission measurements (transmission coefficient, insertion loss, gain), reflection measurements (reflection coefficient, VSWR, return loss), impedance and the S parameters (scattering parameters) S11, S12, S21, S22. These are all measurements not possible with spectrum or signal analyzers, so VNA’s are used both during the design process and for quality control in the production process.

How do I select a suitable vector network analyzer?

The right instrument depends on the expected use cases, and Rohde & Schwarz offers a wide portfolio of network analyzers for varying uses. Typical selection criteria are the frequency range, the number of required ports from 2 up to 24 (multiports) or even 48 in a switch matrix, the output power and the instrument class from economy to handheld and up to high-end.

What’s the difference between a vector network analyzer and a spectrum analyzer?

A VNA and a spectrum analyzer both use RF receivers to analyze RF signals output by the device under test. But a VNA in addition generates calibrated RF stimulus signals used as input to the device and analyzes the response of the DUT to this stimulation. Different electrical properties can be measured by a VNA compared to a spectrum analyzer.

What’s the difference between a vector network analyzer and a scalar network analyzer?

A scalar network analyzer only measures amplitude properties while a VNA in addition analyzes phase properties. A scalar network analyzer is simpler than a VNA; basically a tracking generator and spectrum analyzer resulting in a frequency sweep measuring magnitude (amplitude).

Additionally, a VNA provides higher flexibility and improved accuracy as more sophisticated calibration routines can be used.

What is a VNA used for?

A vector network analyzer (VNA) is used to make measurements on complete devices that are not possible with other RF measuring equipment. A VNA makes transmission measurements (transmission coefficient, insertion loss, gain), reflection measurements (reflection coefficient, VSWR, return loss), impedance measurements and the S parameters (scattering parameters) S11, S12, S21, S22 resulting from the influence of a device on a signal. It provides calibrated stimulus signals to the RF network or device under test and measures with receivers the response as a vector over frequency with phase and amplitude information.

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1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).

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