Antenna Product Overview
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mvq Microwave Vision Group J

© MVG 2017 Product specifications and descriptions in this document are subject to change without notice. Actual products may differ in appearance from images shown.

Introduction At MVG, we design our antennas with outstanding performance in mind. It begins with a careful design process, alternating simulation and measurements. It extends to the use of the most advanced machining techniques and quality materials to achieve tight mechanical tolerances. That’s why all our antenna characteristics are outstanding. And that’s why we can guarantee the best electrical performance/operational bandwidth trade-off. Antennas Designed for Outstanding Performance The MVG antenna design team is an experienced multi-disciplinary group that considers all aspects of the...

Antennas for measurement applications REFERENCE ANTENNAS

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Antennas for measurement applications MEASUREMENT PROBES AND FEEDS • VHF Wideband Dual Polarized Probe Dual polarized probe for spherical near-field measurements in VHF frequencies

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Measurement probes and feeds Introduction MVG probes and feeds are dedicated microwave sensors to characterize a device under test. Antenna specifications are tailored to the specific measurement range and technique used, either based on Near-field or Far-field methods. Near-field methods have the advantage of requiring compact systems; the measurement distance is only a few wavelengths. Transformation is then used to determine the far-field, which can be implemented by means of an analog approach, as in CATR systems, or by means of a numerical approach. The latter requires the field to be...

Wide bandwidth Reducing the number of probes required to perform a wideband test has many advantages. Probe interchanging during a wideband test will modify the measurement conditions over the frequency band under test. Conversely, a single wideband probe preserves the measurement accuracy and allows an uninterrupted sweep, therefore shortening the measurement time. Dual linear polarization integrated orthomode junction allows simultaneous The acquisition of the orthogonal field components, therefore speeding up the measurement process. Furthermore, MVG probes do not require complex...

# Auto-balanced ortho-mode junction MVG has developed an innovative ortho-mode junction in a circular waveguide, providing excellent isolation between the polarizations and single mode excitation over 1:1.5 bandwidth, without the need of a feeding network based on 0°/180° hybrid couplers. This technology is derived from conventional ortho-mode junctions in circular waveguides, consisting of orthogonal feeding points that are offset along the axis of the coupler, and is aimed at solving the common drawbacks of traditional techology. In particular, conventional couplers have an asymmetry...

Which measurement probe or feed for which configuration? PLANAR AND CYLINDRICAL NEAR-FIELD Frequency Range DUAL POLARIZED MINIMUM SCATTERING PROBE DUAL POLARIZED OPEN-ENDED WAVEGUIDE WITH INTERCHANGEABLE APERTURES OPEN BOUNDARY QUAD-RIDGE HORNS LOW FREQUENCY DUAL POLARIZED PROBES OPEN-ENDED WAVEGUIDES • inimum waveguide cross-section M f or low backscattering • Tailored for Planar Near Field • onstant radiation pattern shape over C frequency • nterchangeable apertures for optimal I DUT illumination within sub-bands • uitable for PNF/CNF in the low-end S of the frequency band (1.5 octaves) •...

Frequency Range HIGH PRECISION OFFSET PARABOLIC REFLECTOR CLOSED BOUNDARY QUAD-RIDGE HORNS DIAGONAL HORNS • igh gain H • Stable phase center over frequency • xcellent on-axis cross-polar E discrimination • Stable phase center over frequency • xcellent cross-polar discrimination E and port-to-port isolation • High gain • Equalized beamwidths • Extremely low sidelobes x DUAL POLARIZED PROBES Main Characteristics LOG-PERIODIC ANTENNAS • High polarization purity • Equalized beamwidths • ntry-level solution E for FF measurements COMPACT ANTENNA TEST RANGE Frequency Range CATR FEEDS FOR...

Frequency Range DIAGONAL HORNS • xtremely low sidelobes E • ery low coupling between adjacent V horns x CLOSED BOUNDARY QUAD-RIDGE HORNS Custom probes Main Characteristics • xcellent cross-polar discrimination E and port-to-port isolation • Low coupling between adjacent horns Product identification Polarization type Lower frequency DLP Dual linear DCP Dual circular Aperture type Ultra broadband S Auto-balanced A Balanced feeding with external couplers B C Corrugated F Flared S Stepped-flared Serial number

Quality Products and Services, the Key to Customer Satisfaction ➊ Quality Management System MVG is an ISO 9001: 2008 certied manufacturer of antennas and measurement systems. This certication ensures that: • ur products meet customer and applicable regulatory O requirements • ur processes aim at continuous improvement of customer O satisfaction and conformity of our products to requirements. manufactured by MVG is individually tested and compared with strict performance boundaries. The measured S-parameters data is supplied with each antenna. Depending on the specific antenna, additional...

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