Table of Contents
  • Table of Contents
  • General Information
  • General Description
  • Specifications
  • Performance Data
  • Installation
  • Connections
  • Power Amplifier Selection
  • General Caution Notes
  • Typical Curves
  • Gain Vs Frequency and Calculated Field Strength
  • ATH18G27-18 Ghz
  • ATH18G27-22.25 Ghz
  • ATH18G27-26.5 Ghz
  • Outline Drawing
  • Polarization of Horn Antennas

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Operating and
Service Manual
ATH18G27
Model
10008376
Part Number
Serial Number
160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us

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Summary of Contents for AR ATH18G27

  • Page 1 Operating and Service Manual ATH18G27 Model 10008376 Part Number Serial Number 160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us...
  • Page 3 REGULATION (EC) 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Substances of Very High Concern Chemicals (SVHC) Supporting documentation is held by AR RF/Microwave Instrumentation’s Quality department in Pennsylvania, United States. Place of issue:...
  • Page 5 The caution symbol denotes a potential hazard. Attention must be given to the statement to prevent Your AR equipment may have more than one power supply cable. Use damage, destruction, or harm. only approved power cable(s). If you have not been provided with a Dangerous voltages are present.
  • Page 6 EQUIPMENT CONTAINING LASERS risk of serious injury due to unsafe AR Field Probes (FL/PL Series) and Field Analyzers (FA product handling should be a fundamental Series) are Class 1 laser products containing embedded consideration every user.
  • Page 7 Zur Vermeidung von Personen- oder Sachschäden gilt BEVOR SIE DAS GERÄT ANSCHLIESSEN es, die Hinweise zu beachten. Ihre AR-Ausrüstung hat möglicherweise mehr als ein Stromversorgungskabel. Gefährliche elektrische Spannungen sind vorhanden. Verwenden Sie nur zugelassene Stromkabel. Falls Sie kein Stromkabel oder Höchste Vorsicht ist geboten.
  • Page 8 Die meisten Geräte müssen während des Versands, der Montage und des Gebrauchs LASER-INFORMATION transportiert werden. Jeder Nutzer sollte sich AR - Feldsonden (FL/PL-Serie) und Feldanalysatoren (FA-Serie) über das Risiko von schweren Verletzungen sind Laserprodukte der Klasse 1 mit eingebetteten Klasse-4- durch unsachgemäße...
  • Page 9 électrode de mise à la Votre équipement AR peut disposer de plus d’un câble d’alimentation terre de protection. électrique. Utilisez uniquement un ou des câbles d’alimentation approuves.
  • Page 10 éliminer le risque injustifié de blessures causées par le levage est fournie par les méthodes de travail de NIOSH (publication Les sondes de champ AR (série FL/PL) et les analyseurs de n° 94-110) disponibles sur : champ (série FA) sont des produits laser de classe 1 contenant des lasers intégrés de classe 4.
  • Page 11 Er zijn gevaarlijke elektrische spanningen aanwezig. Wees uiterst voorzichtig. VOOR HET OPZETTEN VAN DE STROOM Uw AR-apparatuur kan meer dan een netvoedingskabel bezitten. Gebruik alleen goedgekeurde netvoedingskabel(s). Koopt een Wijst op een terminal aan die bedoeld is voor aansluiting netvoedingskabel die is goedgekeurd voor gebruik in uw land als u...
  • Page 12 APPARAAT DAT LASERS BEVAT distributie, de assemblage en het gebruik moeten worden behandeld, moet het risico AR-terreinsondes (FL/PL-serie) en terreinanalysatoren (FA- op ernstig letsel als gevolg van een serie) zijn laserproducten van klasse 1 met ingesloten onveilige behandeling van het product een klasse 4-lasers.
  • Page 13: Table Of Contents

    Gain vs Frequency and Calculated Field Strength ..........5 ATH18G27–18 GHz ....................7 ATH18G27–22.25 GHz ..................8 ATH18G27–26.5 GHz ................... 9 OUTLINE DRAWING ..................11 POLARIZATION OF HORN ANTENNAS ............ 13 Tables Model ATH18G27 Typical Beam Width (E-Plane and H-Plane) ......1...
  • Page 15: General Information

    Typical Gain versus Frequency and Calculated Field Strength (1m and 3m) versus Frequency data for the Model ATH18G27 are included in Section 2 of this manual. Typical Beam Width (E-Plane and H-Plane) data for the Model ATH18G27 is presented in Table 1-1.
  • Page 16: Connections

    When used in a shielded room, reflections and room losses will reduce the available microwave (MW) field. AR RF/Microwave Instrumentation recommends a design safety factor of 100% when selecting a MW power amplifier. Optimum performance will be achieved when the Model ATH18G27 High-Gain Horn Antenna is used with a broadband MW power amplifier, such as the Model 25T18G26, Model 40T18G26, and other “T”...
  • Page 17 Antenna 18GHz–26.5GHz The Model ATH18G27 is a wide band, high gain, high power microwave horn antenna. With a minimum gain of 18.8dB over isotropic, the Model ATH18G27 supplies the high intensity fields necessary for RFI/EMI field testing within and beyond the confines of a shielded room. The Model ATH18G27 is extremely compact and light weight for ready mobility, yet is built tough enough for the extra demands of outdoor use and easily mounts on a rigid waveguide by the waveguide flange.
  • Page 18 ATH18G27 GAIN & 3dB Beam Width vs Freq 21.5 20.5 19.5 18.5 FREQUENCY (GHz) H Plane Beamwidth E Plane Beamwidth Gain Field strengths have been measured in free-space conditions. Individual shielded rooms, amplifiers, and test-system conditions will influence performance. Field strength also varies with frequency and position of antenna and EUT in non-anechoic testing environments.
  • Page 19: Typical Curves

    This section contains typical curves showing Gain versus Frequency and Calculated Field Strength (1m and 3m) versus Frequency for the Model ATH18G27 Microwave Horn Antenna. A T H 1 8 G 2 7 G A I N & 3 d B B E A M W I D T H V S F R E Q 2 1 .5...
  • Page 20 ATH18G27 Rev B...
  • Page 21: Ath18G27-18 Ghz

    ATH18G27 ATH18G27–18 GHZ Rev B...
  • Page 22: Ath18G27-22.25 Ghz

    ATH18G27 ATH18G27–22.25 GHZ Rev B...
  • Page 23: Ath18G27-26.5 Ghz

    ATH18G27 ATH18G27–26.5 GHZ Rev B...
  • Page 24 ATH18G27 Rev B...
  • Page 25: Outline Drawing

    3. OUTLINE DRAWING An outline drawing (Drawing Number 10008375) of the Model ATH18G27 Microwave Horn Antenna is shown below. Drawing 10008375, Rev - Rev B...
  • Page 26 ATH18G27 Rev B...
  • Page 27: Polarization Of Horn Antennas

    4. POLARIZATION OF HORN ANTENNAS Rev B...
  • Page 28 ATH18G27 Rev B...
  • Page 29 These modules are not field-repairable and should never be opened outside of AR’s Microelectronics Lab. The modules in these product lines have a security label on two sides of the modules between the housing and lid/cover. If the security label is removed and or cut, the warranty of the module will be voided.

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10008376

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