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A.H. Systems SAS-521-7 Bilogical Antenna

©

A.H. Systems inc.

– May 2014

REV D

1

SAS-521-7

Bilogical Antenna

Operation Manual

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Содержание SAS-521-7

Страница 1: ...A H Systems SAS 521 7 Bilogical Antenna A H Systems inc May 2014 REV D 1 SAS 521 7 Bilogical Antenna Operation Manual ...

Страница 2: ...troduction 3 Intended Purposes 4 Optional Equipment 5 OPERATING INSTRUCTIONS Assembly Instructions 6 Mounting Instructions 6 Operating Instructions 8 SPECIFICATIONS Specifications 9 Typical Data 10 Calculations 12 Convertion Factors 13 MAINTENANCE Maintenance Procedures 14 Annual Calibration 14 Warranty 15 ...

Страница 3: ...r handling capabilities Constructed of lightweight aluminum the SAS 521 7 Bilogical Antenna has been manufactured to operate over a very wide bandwidth With it s high input power capabilities the SAS 521 7 is ideal for applications requiring the generation of field strengths The reduced size of the antenna is preferred to minimize chamber wall coupling and increasing the half power beamwidth to a ...

Страница 4: ...ific applications and has been designed to be used in the process of generating controlling and measuring high levels of electromagnetic Radio Frequency RF energy It is the responsibility of the user to assure that the device is operated in a location which will control the radiated energy such that it will not cause injury and will not violate regulatory levels of electromagnetic interference ...

Страница 5: ...m to N m RF cable made with RG 214 U and optional ferrite loading that can be made to your specified length Other cable types available upon request Adapters Need an Adapter We stock those as well MOUNTING ACCESSORIES AEH 510 Azimuth and elevation head to assist the test engineer in orientating biconical antenna at the device under test ATU 510 Each tripod leg is independently adjustable in angle ...

Страница 6: ...tive screws installed in the triangular fittings Attach the element assemblies with the 3 sided pieces towards the short log periodic end to the Bilogical boom in front of the black balun housing with the pre installed captive screws MOUNTING INSTRUCTIONS The model SAS 521 X antennas have a mid mount adapter supplied with the antenna to allow mounting at the CG of the antenna Mounting the antenna ...

Страница 7: ...h that the elements are parallel to the ground for horizontal polarization testing or perpendicular to the ground for vertical testing The horizontal beamwidth of the Bilogical is approximately 45 degrees and it should be pointed or aimed in the direction that the received signal is coming from ...

Страница 8: ...3 and 10 meter testing the measurement is made from the center of the antenna radiating elements and is annotated by a measurement point sticker per ANSI C63 5 IMMUNITY TESTING MEASUREMENT POINT Measurement is made from the tip of the antenna and typically preformed at a 1 meter distance 3 meters per IEC 61000 4 3 ...

Страница 9: ...the ground and vertical polarization when the elements are perpendicular to the ground To minimize impedance mismatch errors it is recommended that high quality in line attenuators be used to reduce reflections Connect the attenuator at the antenna end of the transmitting cable or when receiving connect the attenuator at the measuring instrument or preamplifier input Dress the cables straight back...

Страница 10: ... Factor 6 to 36 dB m Antenna Gain Ave 6 4 dBi Maximum Continuous Power 1000 Watts Average Beamwidth 45 Average Beamwidth H Field 100 Impedance nominal 50 Average VSWR 1 4 1 typ Maximum Radiated Field 100 V m Connector N Type female Mounting 1 4 20 female PHYSICAL SPECIFICATIONS Weight 4 5 lbs 2 04 kg Size L x W x H 39 x 38 5 x 22 2 99cm x 98cm x 57cm ...

Страница 11: ...A H Systems SAS 521 7 Bilogical Antenna A H Systems inc May 2014 REV D 11 TYPICAL DATA ...

Страница 12: ...A H Systems SAS 521 7 Bilogical Antenna A H Systems inc May 2014 REV D 12 ...

Страница 13: ...emissions measurements add antenna factor plus cable loss to receiver reading in dB V to convert to field strength in dB V meter Field Strength dBuV m SA dBuV AF dB m cable loss dB SA Spectrum Analyzer or Receiver voltage reading AF Antenna Correction Factor CL Cable Loss in dB IMMUNITY TESTING For Immunity measurements the generated electric field strength can be calculated by FS Approximate Fiel...

Страница 14: ...25 dBA to dB A dB A dBA 120 A m to T T 1 25 A m dB A to dBA dBA dB A 120 E FIELD ANTENNAS LOG LINEAR POWER Correction Factor dB V m dB V AF dBm to Watts W 10 dBm 30 10 Field Strength V m 30 watts Gain numeric meters Watts to dBm dBm 10log W 30 Required Power Watts V m meters 2 30 Gain numeric dBW to Watts W 10 dBW 10 LOOP ANTENNAS Watts to dBW dBW 10log W Correction Factors dB A m dB V AF dBW to d...

Страница 15: ...compatibility standard Radiated emissions testing for electromagnetic compatibility EMC requires the measurement of electric field E field strength which is compared with a limit level The output voltage of an antenna is converted to E field strength via its antenna factor the measurement of which must include the uncertainty components related to that particular antenna taking into consideration ...

Страница 16: ...thin the warranty period commencing with the delivery of the product by A H Systems The remedy set forth herein shall be the only remedy available to the buyer and in no event shall A H Systems be liable for direct indirect incidental or consequential damages This warranty shall not apply to any part of the product which without fault of A H Systems has been subject to alteration failure caused by...

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