Mixer & frequency converter testing

Mixer performance verification

Mixers are a fundamental element in a wide range of applications such as modulators, phase detectors, frequency converters and synthesizers in many RF and microwave systems. They are a standard building block in wireless communications systems and radar systems. In many cases, the mixer is an important part that determines the overall system performance. Rohde & Schwarz test solutions give you deep insights into the performance of your device and allow you to effectively validate your design.

Related applications

Examining receiver noise figure

RF system noise contributions define receiver capabilities and sensitivity. The noise figure measures how the critical components affect the signal.

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Measure satellite output multiplexers and circulators under real conditions

The R&S®ZNA vector network analyzer offers a dynamic range that is unbeatable on the market. This kind of sensitivity unlocks potential applications that previously could not be addressed with a vector network analyzer.

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Simplifying mixer measurements with the R&S®ZNB

Primary mixer function is to upconvert or downconvert signals to a desired frequency. Knowledge of a mixer’s performance is essential during the design of RF systems and when testing system level compliance.

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R&S®ZVA-K9 Measure group delay without LO access

Mixers are fundamental components of receivers and transmitters, especially in the microwave range. Any mixer-based receiving or transmitting system requires that the mixers have well-controlled amplitude, group delay and phase responses.

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A 1 MHz to 50 GHz Direct Down-Conversion Phase Noise Analyzer with Cross-Correlation

A new phase noise test instrument covers the frequency range from 1 MHz to 50 GHz with direct down-conversion analog I/Q mixers and baseband signal sampling. The traditional PLL has been replaced by a digital FM demodulator for phase detection and frequency tracking.

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Dynamic noise figure measurements

Noise figure is a key parameter to characterize the performance of RF components such as frequency converters. System designers use it as part of their link budget calculations for uplink and downlink transmission systems.

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Group Delay Measurement on Frequency Converting Devices

This application note describes a method using the R&S®ZNA analyzer family to measure group delay of mixers and frequency converters with an embedded local oscillator very accurately.

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R&S®FSWP phase noise analyzer and VCO tester

The R&S®FSWP phase noise analyzer and VCO tester combines extremely low‑noise internal sources and cross‑correlation technology, delivering extremely high sensitivity for phase noise measurements.

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R&S®ZVA vector network analyzers

The R&S®ZVA series is an ideal choice for demanding measurements in the lab and in production – from filter measurements requiring maximum dynamic range to linear and nonlinear measurements on amplifiers and mixers as well as on receivers and transceivers.

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R&S®ZNB vector network analyzers

More than 60 years of experience in the field of vector network analysis pay off: Rohde & Schwarz sets new benchmarks with its R&S®ZNB family of vector network analyzers. These analyzers feature high measurement speed, outstanding precision and exceptional ease of operation.

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R&S®ZNA vector network analyzers

The R&S®ZNA vector network analyzers combine excellent RF performance with a wide range of software features and a unique hardware concept. The touch-only operation together with the DUT-centric approach complete a powerful, universal and compact measurement system.

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Passive component testing

Passive components include a large variety of building blocks for RF and digital designs. These range from RF filters and combiners, switches, couplers to cables, connectors and PCB boards.

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Oscillator, clock and PLL testing

Oscillator output signals are characterized and tested to make sure the device or module meets the design specifications for clock accuracy, signal purity and stability.

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Application videos

Multi carrier group delay measurements

The R&S®FSW spectrum analyzer and R&S®SMW200A signal generators can be used to measure absolute and relative group delay (GD) on satellite transponders, frequency converters and other components.

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Mixer basics and scalar mixer measurements

This video demonstrates how to perform scalar mixer measurements with the R&S®ZNA. Covered topics include configuration of the measurement setup in the mixer wizard, calibration and a discussion of typical measurement results.

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Group delay measurements on mixers without LO access

See how to use an R&S®ZNA to perform measurements on frequency converting devices that have an embedded LO. It demonstrates the advantages of the R&S®ZNA solution for group delay measurements on such devices, including the LO tracking feature and the dual LO concept.

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