Far-Field

Far-Field testing can be accomplished in either outdoor or indoor configurations. The most common far-field test ranges are outdoor facilities. In an outdoor far-field range, the test antenna is installed on the test positioner located on a tower, roof or platform outside the instrumentation control room. The receiver front end (local oscillato ...more

This high frequency chamber can be utilized to make far-field antenna pattern measurements. These chambers are designed either in a rectangular or tapered configuration depending on the frequency range of interest. ...more

This high frequency chamber is designed in conjunction with planar, spherical or cylindrical near-field measurement systems to provide far-field extrapolation of test data taken in the near-field. This approach requires less space than what is typically required for standard far-field environments. ...more

This High Frequency chamber is designed in conjunction with compact ranges to provide far-field measurements of larger test articles in a much smaller area than what is typically required for standard far-field environments. ...more

The NSI model 800F-20 Far-field Antenna Measurement System is a cost-effective, easy-to-use system for taking principle-plane and cross polarization plane, far-field antenna measurements with 3D Pattern Display. This system is compact and lightweight. It is ideal for universities or small commercial companies that want to test small, lightweig ...more

The NSI model 800F-10 Far-field Antenna Measurement System is a cost-effective, easy-to-use system for taking principle-plane, far-field antenna measurements. This system is compact and lightweight. It is ideal for universities or small commercial companies that want to test small, lightweight, and low gain antennas. ...more

The 5-axis system can support a load of 400 lb (181 Kg) on the Roll stage. An optional support post mounted on the the upper slide can be used to convert the Roll stage into an Elevation motion for the antenna. The 5-axis system interfaces to a standard NSI2000 motion controller or can also be controlled directly by the customer using TTL puls ...more

Designed to make both far-field and near-field measurements on automobiles and trucks, the Mobile Communications Test System is a central component of the multipurpose Antenna Range Complex. The measurement system uses a distributed axis positioning system. The probe antenna is mounted on a lightweight yet very strong dielectric boom that moves in ...more

The Endevco Model 2255B is a miniature, lightweight piezoelectric accelerometer with integral electronics, designed specifically for far-field high-g shock measurement on structures and test articles. The unit features an electronic second order low-pass filter between the sensor and the amplifier input stage to prevent saturation due to accele ...more

The Endevco Model 2255B is a miniature, lightweight piezoelectric accelerometer with integral electronics, designed specifically for far-field high-g shock measurement on structures and test articles. The unit features an electronic second order low-pass filter between the sensor and the amplifier input stage to prevent saturation due to accel ...more

The the LD 8900HDR Far-Field Profiler uses goniometric methodology to measure true 3-dimensional profiles of optical components with up to 93 dB dynamic range. All measurements are taken with the emitting fiber, planar waveguide, laser diode or LED inserted directly into the center of the instrument's radial measurement area. For optical fiber, ...more

Photon's LD 8900R Wide Dynamic Range Goniometric Radiometer characterizes the angular radiation intensity of light. The LD 8900R provides direct real-time far-field measurements with >36 dB dynamic range, angular sampling resolution of 0.055° and a field-of-view of ±72° (144°). The LD 8900R is ideal for characterizing the light flux from man ...more

Photon's LD 8900 Goniometric Radiometer for characterizing the angular radiation intensity of light provides direct real-time far-field measurements with 24 dB dynamic range, angular sampling of 0.055° and a field-of-view of &plusmin;72° (144°). The LD 8900 is ideal for characterizing the light flux from many light-emitting sources, includ ...more

At JEM we understand the challenges facing antenna, microwave and communication system engineers, and we realize that accurate measurement of antenna electrical performance is critical. That's why we offer testing services from a far-field chamber (100 MHz to 40 GHz) to a near-field chamber (400 MHz to 6 GHz) (see Features & Benefits table below fo ...more