R&S®ZVA-Z Millimeter-Wave Converters

Network analysis up to 110 GHz

Overview
Models
Options

Key facts

Variable output power
Electronic power control
Automatic parameter setting
Convenient handling

Brief description

Millimeter-wave measurements in the V, E, W, F, D, G, J and Y band as well as network analysis in frequency ranges from 50 GHz to 110 GHz depending on the converter model.

Features

Wide dynamic range
Variable output power
Electronic power control
Automatic parameter setting

Specifications

R&S^®ZVA-Z75
Waveguide designation	Electronic Industries Alliance (EIA)
Connector type	anti-cocking flange

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Key facts

Variable output power
Electronic power control
Automatic parameter setting
Convenient handling
Multiport and true differential measurements
Pulsed measurements
Calibration
R&S^®ZVA-Z110E: Electronic power control for power calibration, and calibrated power sweeps

Brief description

The R&S^®ZVA-Zxx millimeter-wave converters allow millimeter-wave measurements in the V, E, W, F, D, G, J and Y band as well as network analysis in frequency ranges from 50 GHz to 110 GHz depending on the converter model. Featuring a wide dynamic range, the Rohde & Schwarz converters offer high operating convenience and allow fast measurements. Two-port measurements can be performed using a four-port network analyzer and two converters; no external generator is required. When using a two-port network analyzer, an external generator is needed to supply the LO signals.

Features & Benefits

Electronic power control

The R&S^®ZVA allows the output power of the R&S^®ZVA-Z110E converter to be reduced electronically by 25 dB. The output power of the R&S^®ZVA-Z90 and R&S^®ZVA-Z110 can be reduced by 70 dB via the RF input power reduction. This allows power sweeps for compression measurements on amplifiers as well as power calibration.
Wide frequency range
- 50 GHz to 75 GHz (R&S^®ZVA-Z75)
- 60 GHz to 90 GHz (R&S^®ZVA-Z90)
- 75 GHz to 110 GHz (R&S^®ZVA-Z110/R&S^®ZVA-Z110E)
using an R&S^®ZVA24, R&S^®ZVA40, R&S^®ZVA50, R&S^®ZVA67 or R&S^®ZVT20 network analyzer
Wide dynamic range
- R&S^®ZVA-Z75: > 90 dB, typ. 110 dB
- R&S^®ZVA-Z90: > 100 dB, typ. 115 dB
- R&S^®ZVA-Z110: > 100 dB, typ. 110 dB
- R&S^®ZVA-Z110E: > 95 dB, typ. 110 dB
Variable output power

The Rohde & Schwarz converters provide an output power of typically:
- typ. +4 dBm (R&S^®ZVA-Z75)
- typ. +10 dBm (R&S^®ZVA-Z90)
- typ. +10 dBm (R&S^®ZVA-Z110)
A control screw on top of the converters allows the power to be reduced by 40 dB with the R&S^®ZVA-Z75/R&S^®ZVA-Z110. This is a useful feature that can help to avoid overloading the device under test − when performing measurements on low-noise amplifiers, for example. And the output power can be electronically reduced by 25 dB with the R&S^®ZVA-Z90E/R&S^®ZVA-Z110E, thus allowing power sweeps for compression measurements on amplifiers as wel as power calibration. The R&S^®ZVA-Z110 allows in addition an output power reduction of 70 dB by RF input power variation.
Automatic parameter setting

The R&S^®ZVA and R&S^®ZVT firmware incorporates the ability to operate the Rohde & Schwarz converters using the R&S^®ZVA-K8 converter control option. The network analyzer will automatically set the frequency limits to the correct frequency band and set the requisite parameters, based on the selected converter type. For calibration, the analyzer automatically offers the calibration kit appropriate for the selected frequency band. Moreover, the network analyzer protects the converters by limiting its output power to the converters’ coaxial inputs.
Convenient handling

For ease of use, the converters’ waveguide connectors are arranged on a bar extending from the converter. The screwed flange joints are easily accessible to facilitate calibration and connection of the DUT. The converters can be set up on three or four height-adjustable feet. Using three feet makes aligning the test port flange significantly easier. The converters contain no fans − an advantage in particle-sensitive environments in particular.
The converters are supplied with test port adapters that allow them to be used with other manufacturers’ calibration kits and effectively protect the converters’ waveguide connectors against wear.
Multiport and true differential measurements

Multiport devices such as couplers can be analyzed by using three or four converters. The setup can be based on an R&S^®ZVA24, R&S^®ZVA40, R&S^®ZVA50 or R&S^®ZVA67 plus an external R&S^®SMF100A generator and one converter per test port. As an alternative, it is possible to use an R&S^®ZVT20. The R&S^®ZVT20 (six-port configuration) with its three internal signal sources allows up to four converters to be connected without requiring an external signal generator.

The R&S^®ZVA-Z90/R&S^®ZVA-Z110 and the R&S^®ZVA-Z110E are ideal for generating true differential signals (true differential mode).
Pulsed measurements

The converters are also suitable for pulsed mode operation − to characterize pulsed amplifiers, for example. This applies to both measurements versus frequency (average pulse and point-in-pulse) and pulse profile measurements.

Specifications

R&S^®ZVA-Z75
Waveguide designation	Electronic Industries Alliance (EIA)	WR15
Connector type	anti-cocking flange	precision waveguide flange compatible with UG387/U-M
Frequency range		50 GHz to 75 GHz
Output power	with +7 dBm input power from the R&S^®ZVA/R&S^®ZVT	> 0 dBm, 4 dBm (typ.)
Output power attenuation	manually adjustable attenuator	0 dB to 40 dB adjustable by reduction of RF input power 0 dB to 70 dB
Dynamic range		> 90 dB, 110 dB (typ.)
R&S^®ZVA-Z90
Waveguide designation	Electronic Industries Alliance (EIA)	WR12
Connector type	anti-cocking flange	precision waveguide flange compatible with UG387/U-M
Frequency range		60 GHz to 90 GHz
Output power	with +7 dBm input power from the R&S^®ZVA/R&S^®ZVT	+10 dBm (typ.)
Output power attenuation	adjustable by RF input power reduction	0 dB to 70 dB
Dynamic range		> 100 dB, 115 dB (typ.)
R&S^®ZVA-Z110
Waveguide designation	Electronic Industries Alliance (EIA)	WR10
Connector type	anti-cocking flange	precision waveguide flange compatible with UG387/U-M
Frequency range		75 GHz to 110 GHz
Output power	with +7 dBm input power from the R&S^®ZVA/R&S^®ZVT	+10 dBm (typ.)
Output power attenuation	manually adjustable by variable attenuator adjustable by RF input power reduction	0 dB to 40 dB 0 dB to 70 dB
Dynamic range		> 100 dB, 110 dB (typ.)
R&S^®ZVA-Z110E
Waveguide designation	Electronic Industries Alliance (EIA)	WR10
Connector type	anti-cocking flange	precision waveguide flange compatible with UG387/U-M
Frequency range		75 GHz to 110 GHz
Output power	with +7 dBm input power from the R&S^®ZVA/R&S^®ZVT	> -3 dBm, 0 dBm (typ.) Var .40: > 0dBm, 2 dBm (typ.) Var .50: >-6dBm, -3dBm (typ.)
Output power attenuation	electronic power control	0 dB to 25 dB
Dynamic range		> 95 dB, 110 dB (typ.)

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