A.H. Systems SAS-521-2 Operation Manual Download | Manualshive

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A.H. Systems SAS-521-2 Bilogical Antenna

SAS-521-2

Bilogical Antenna

Operation Manual



A.H. Systems inc. – December 2008

REV C

1

Advanced Test Equipment Rentals

www.atecorp.com 800-404-ATEC (2832)

®

Established 1981

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Summary of Contents for SAS-521-2

Page 1: ...H Systems SAS 521 2 Bilogical Antenna SAS 521 2 Bilogical Antenna Operation Manual A H Systems inc December 2008 REV C 1 Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Page 2: ...tional 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 A H Systems inc December 2008 REV C 2 ...

Page 3: ... of lightweight aluminum the SAS 521 2 Bilogical Antenna has been manufactured to operate over a very wide bandwidth With it s high input power capabilities the SAS 521 2 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 more acceptable angle that will cov...

Page 4: ...ned 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 A H Systems inc December 2008 REV C 4 ...

Page 5: ...th 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 and length to facilitate antenna height setting The tripod legs have a rubber tip on one end for indoor o...

Page 6: ...apter supplied with the antenna to allow mounting at the CG of the antenna Mounting the antenna to the extension rod enables the antenna to be used in either horizontal or vertical polarization 1 Mount the BTE 510 tripod extension rod to the ATU 510 tripod with the 20 mounting screw 2 Mount the assembled antenna to the other end of the BTE 510 extension rod with the supplied 20 captive mounting sc...

Page 7: ... 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 A H Systems inc December 2008 REV C 7 ...

Page 8: ...nt 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 A H Systems inc December 2008 REV C 8 ...

Page 9: ...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 from the antenna connector at least ...

Page 10: ... 30 dB m Antenna Gain Ave 6 4 dBi Maximum Continuous Power 1000 Watts Impedance nominal 50Ω Average VSWR 1 6 1 typ Maximum Radiated Field 100 V m Connector N Type female Mounting 1 4 20 female PHYSICAL SPECIFICATIONS Weight 4 4 lbs 2 kg Size L x W x H 37 3 x 38 5 x 22 2 94 7cm x 98cm x 57cm A H Systems inc December 2008 REV C 10 ...

Page 11: ...A H Systems SAS 521 2 Bilogical Antenna TYPICAL DATA A H Systems inc December 2008 REV C 11 ...

Page 12: ...dd antenna factor plus cable loss to receiver reading in dBµV to convert to field strength in dBµV meter FS Field Strength in dBµV m 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 Field Strength in V m P Power in watts g Numeric Gai...

Page 13: ...T 1 25 A m dBµA to dBA dBA dBµA 120 E FIELD ANTENNAS LOG LINEAR POWER Correction Factor dBµV m dBµV 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 dBµA m dBµV AF dBW to dBm dBm dBW 30 Assumed E field for shi...

Page 14: ...ions 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 the environment in which the antenna ...

Page 15: ...s 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 a part not supplied by A H Systems accident fire or other casualty negligence mis...

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