Compact radiated emission Antenna interchangeable Dipole elements 30 MHz to 1 GHz - York EMC Services Ltd

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Low Cost Portable Radiated Emissions Measurements

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Active Receive Antenna 01

The Active Receive Antenna (ARA 01) is a compact emissions antenna with performance comparable to a conventional wideband passive antenna such as the Bilog™.

The small size makes the ARA 01 particularly suitable for use in anechoic chambers; however it can also be used on an Open Area Test Site (OATS) or at on-site locations.

The ARA 01 features two sets of interchangeable Dipole Antenna Elements (DAE). The standard set (DAE01) is optimized for 200 MHz to 1 GHz, with usable sensitivity down to 30 MHz. For improved sensitivity between 30 to 300 MHz, the optional DAE02 set is available.

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Features

Stable performance •  Repeatable measurements
Bilog™ equivalent performance •  See output measurement graphs
30 MHz to 1 GHz range •  Most commonly used EMC measurement range
Compact and Portable •  Measurements in confined spaces
  •  Measurements where equipment must be hand carried
  •  Field testing
Battery powered •  Mains power not required for measurements
Low cost •  Affordable measurement systems

Applications

  • Radiated emissions measurements in a confined area
  • Low cost alternative to passive wideband antenna
  • Portable measurement systems

Specifications

Frequency range •  30 MHz (200 MHz optimum) to 1 GHz using DAE01 antenna elements
  •  30 MHz to 300 MHz (optimum) using DAE02 antenna elements
Output connector •  50 Ω BNC jack
Dynamic range •  90 dB
1dB compression •  15.4 dBm / 35.5 mW / 1.33 V (in a 50 Ω system)
Antenna factor •  See Output Measurements tab
Temperature stability •  <1 dB, at an ambient temperature of  5 °C to 45 °C
Time stability •  Typically <1 dB over a 12 month period
Dimensions •  34 mm × 34 mm × 150 mm (168 mm including connector) excluding dipole elements
Weight •  0.39 kg (including battery)
Power supply •  Single 9 V battery (PP3 or equivalent)
Operating time •  6.5 hours typical with alkaline cells
Indicators •  Power on, Battery low

 

Kit:

 

Part Number

Description

Parts included

ARA01KIT01 Standard ARA 01 active receive antenna kit  •  ARA 01 Active receive antenna
  with pair of 200 MHz to 1 GHz antennas •  2 x DAE01 antenna elements
    •  CAL08 antenna factors, 30 MHz to 1 GHz
       •  Alkaline battery
     •  Hard case

Accessories:

Antennas

 
DAE01 200 MHz to 1 GHz (optimum) set of 100 mm long top-loaded monopole antenna elements
DAE02 30 MHz to 300 MHz (optimum) set of 270 mm long antenna elements

Tripod Adaptor

TRA01 Tripod adaptor with ARA 01 mounting bracket

 

Manufacturer’s calibrations

CAL08 30 MHz to 1 GHz antenna factor derived from a known standard

Typical Output Measurement Results

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