Frequency-converting measurements

Frequency-converting measurements
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Frequency-converting measurements, Application Image

Key facts

  • Unique instrument architecture
  • Mixer phase: no external components or reference mixer required
  • R&S®SMARTerCal for fast and accurate calibration
  • Embedded LO tracking functionality

Easy, accurate and quick characterization of frequency-converting devices

Frequency-converting devices are essential to communications, satellite and radar systems. Vector network analyzers from Rohde & Schwarz offer many options for characterizing these components. The R&S®ZNA has four coherent independent sources and two internal LOs for absolute phase mixer measurements without external devices. R&S®SMARTerCAL provides the most accurate and fastest possible calibration results. Even if you do not have access to the LO of the device under test, the embedded LO tracking function ensures correct results regardless of the device’s internal LO drift.

Features & benefits

Unique hardware architecture

Fast setup and short measurement times

The four internal, phase-coherent sources make the four-port R&S®VNA a compact test system for any frequency-converting measurement. Easy absolute phase measurements on mixers are possible without reference or auxiliary mixers. The optional two internal LO sources improve measurement speed and lower the trace noise during conversion loss and group-delay measurements.

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R&S®SMARTerCAL

High accuracy and easy configuration

The R&S®SMARTerCAL special calibration technique combines n-port system error correction with source and receiver power level calibration to perform scalar correction of power at each receiver for high precision results. It corrects mixer port mismatch and does not require external attenuators to improve port matching. The algorithm determines the optimum number of calibration steps to achieve the best accuracy.

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Embedded LO tracking

Measure the true performance

The embedded LO tracking function measures and compensates for internal LO drift effects of the device under test to deliver accurate results. The LO tracking function makes sure that measurements are performed at the optimum range of the IF filters to deliver true performance without the influence of the measuring equipment IF filter shape.

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Guided wizards

All parameters at a glance

DUT-centric guided wizards enable the user to set up all key mixer parameters in a single menu. Users are guided through the setup process step by step. Parameters such as IF frequency are calculated from user inputs. The setup process ensures error-free configuration and faster set up even for multi-stage converters.

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Broad selection of options

Pay only for what you need

Rohde & Schwarz offers a broad range of instruments and options to fit all T&M tasks, from simple scalar mixer conversion using economy class or mid-range instruments to complex absolute group-delay measurements on devices with embedded LO where the R&S®ZNA is the ideal choice for the highest precision. See the comparison table to find the right instrument for you.

Available models

Available models
Models
Supported VNA
Scalar/vector mixer measurements
Intermodulation/harmonic distortion
Group delay of frequency converters with embedded LO
Arbitrary source and receiver control

R&S®ZNA-K4

Order number 1332.5342.02

Supported VNA
Scalar/vector mixer measurements
yes / ZNA-K5
Intermodulation/harmonic distortion
yes / yes
Group delay of frequency converters with embedded LO
ZNA-K9 Supports LO Tracking
Arbitrary source and receiver control

R&S®ZVA-K4

Order number 1164.1863.02

Supported VNA
Scalar/vector mixer measurements
yes / ZVA-K5
Intermodulation/harmonic distortion
yes / yes
Group delay of frequency converters with embedded LO
ZVA-K9
Arbitrary source and receiver control

R&S®ZNB-K4

Order number 1316.2994.02

Supported VNA
Scalar/vector mixer measurements
- / -
Intermodulation/harmonic distortion
ZNB-K14 / ZNB-K14
Group delay of frequency converters with embedded LO
Arbitrary source and receiver control

R&S®ZNBT-K4

Order number 1318.8431.02

Supported VNA
Scalar/vector mixer measurements
- / -
Intermodulation/harmonic distortion
ZNBT-K14 / ZNBT-K14
Group delay of frequency converters with embedded LO
Arbitrary source and receiver control

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