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Summary of Contents for A.H. Systems active monopole series
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Page 1: Operation Manual
A.H. Systems Model Active Monopole Antennas Active Monopole Antenna Series Operation Manual A.H. Systems inc. – October 2005 REV A... -
Page 2: Table Of Contents
A.H. Systems Model Active Monopole Antennas TABLE OF CONTENTS WARRANTY INTRODUCTION SPECIFICATIONS OPERATING INSTRUCTIONS ANTENNA FORMULAS PREAMPLIFIER ALIGNMENT CALIBRATION MAINTENANCE A.H. Systems inc. – October 2005 REV A... -
Page 3: Warranty
(3) years. All other products delivered under contract will be warranted for a period of two (2) years. A.H. Systems' obligation under this warranty shall be limited to repairing or replacing, F.O.B. -
Page 4: Introduction
A.H. Systems Model Active Monopole Antennas INTRODUCTION Model Part Model Number Number Description SAS-550-1B 9KHz – 60 MHz 2380 Active Monopole Antenna, Battery Powered SAS-550-2B 100Hz – 60 MHz 2381 Active Monopole Antenna, Battery Powered A.H. Systems inc. – October 2005 REV A... -
Page 5: Intended Purposes
Maximum relative humidity 80 % for temperatures up to 31°C. Decreasing linearly to 50% at 40°C Pollution degree 2: Normally non-conductive with occasional condensation. While the equipment will not cause hazardous condition over this environmental range, performance may vary. A.H. Systems inc. – October 2005 REV A... -
Page 6: Specifications
A.H. Systems Model Active Monopole Antennas SPECIFICATIONS GENERAL DESCRIPTION The A.H. Systems Active Monopole Antennas are an active, general-purpose, receive-only antenna that covers 100 Hz – 60 MHz frequency range. It is ideal for instantaneous bandwidth scanning (without tuning) of electric fields in its frequency range and can drive any receiver with 50Ω... -
Page 7: Operating Instructions
It’s flat 0dB Antenna Factor makes it a convent choice when calculating the field intensity. The signal field strength is the receiver voltage in dBuV plus the antenna factor (refer to the antenna factor calibration) plus any cable loss. A.H. Systems inc. – October 2005 REV A... - Page 8 ARP 958. This is an indispensable tool used for gain adjustment and calibration of the active monopoles. The ECF-10 is used as a signal substitution source when calibrating the active monopole. Refer to the alignment and calibration procedures below. A.H. Systems inc. – October 2005 REV A...
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Page 9: Antenna Formulas
Receiver reading (dBuV) = 44 dBuV Cable loss (dB) = 0.7 Field Intensity = AF + receiver reading + cable loss Field Intensity = 0.1 + 44.0 + 0.7 Field Intensity = 44.8 dBuV/Meter A.H. Systems inc. – October 2005 REV A... -
Page 10: Preamplifier Alignment
Records providing evidence that the required final inspection and tests are carried out shall be maintained and shall be available for review by Customer and third party inspectors. Such records include signed off ITPs, Job cards, Nonconformance reports, Testing reports and Inspection reports if any. A.H. Systems inc. – October 2005 REV A... - Page 11 “tee” connection can be used with the signal source connected to the first leg, the 50 ohm load connected to the second leg, and the center conductor of the third leg connected to the 10 pF capacitor. A.H. Systems inc. – October 2005 REV A...
- Page 12 NOTE – The signal generator does not need to be calibrated, but it shall be stable. The 50Ω termination shall have low VSWR. The spectrum analyzer shall be calibrated and have low VSWR A.H. Systems inc. – October 2005 REV A...
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Page 13: Maintenance
A.H. Systems Model Active Monopole Antennas MAINTENANCE To ensure reliable and repeatable long-term performance, annual re-calibration of your pre-amplifier by A.H. Systems experienced technicians is recommended. Our staff can recalibrate almost any type or brand of antenna. For more information about our calibration services or to place an order for antenna calibration visit our website at http://www.AHSystems.com or call 1(818) 998-0223.
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