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A.H. Systems SAS-542 Biconical Antenna

©

A.H. Systems inc.

–REV C

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SAS-542

Biconical Antenna
Operation Manual

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Summary of Contents for SAS-542

Page 1: ...A H Systems SAS 542 Biconical Antenna A H Systems inc REV C 1 SAS 542 Biconical Antenna Operation Manual ...

Page 2: ...CTION Introduction 3 Optional Equipment 4 Intended Purposes 5 OPERATING INSTRUCTIONS Assembly Instructions 6 Mounting Instructions 6 SPECIFICATIONS Specifications 8 Typical Data 9 Calculations 10 Convertion Factors 11 MAINTENANCE Maintenance Procedures 12 Annual Calibration 12 Warranty 13 ...

Page 3: ...rates efficiently over the frequency range of 20 MHz to 330 MHz Compact in size this Biconical Antenna is an ideal for use in a shielded room or anechoic chamber The antenna balun is designed using as unbalanced to balanced transformer for improved linearity response and is the standard workhorse of any EMC compliance test house ...

Page 4: ...tion Head Azimuth and elevation head to assist the test engineer in orientating biconical antenna at the device under test ATU 510 Wooden Antenna Tripod 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 or hard surface use and a metal spike on the other end for outdoor soft surface such as di...

Page 5: ...pplications 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 ...

Page 6: ... and elevation head AEH 510 mounts to the tripod ATU 510 top and allows the antennas to be rotated 360 degrees and tilted between horizontal and vertical polarization 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 or hard surface use and a metal spike on the other end for outdoor soft surf...

Page 7: ...nimize 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 1 meter before being dressed vertically down to the gro...

Page 8: ...IONS Frequency Range 20 MHz 330 MHz Antenna Factor 8 5 to 21 dB m Antenna Gain 22 to 2 8 dBi Impedance nominal 50 Average VSWR 2 0 1 typ Maximum Continuous Power 1 Watt Connector N Type female Mounting 1 4 20 female PHYSICAL SPECIFICATIONS Weight 4 3 lbs 1 95 kg Size W x H 52 75 x 29 134cm x 73 7cm ...

Page 9: ...A H Systems SAS 542 Biconical Antenna A H Systems inc REV C 9 TYPICAL DATA ...

Page 10: ...ions 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 Field Str...

Page 11: ...A 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 dBm dB...

Page 12: ...ibility 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 the en...

Page 13: ...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 a pa...

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