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A stepped notch antenna at Ku-band is developed to provide a thermal heat sink for active arrays. The antenna with forced air cooling provides up to 0.4 °C/W of thermal resistance. The antenna integration with a printed circuit board allows for high volume surface mount assembly of active devices.
Transmit and receive Ku-band phased array designs are described for testing an airborne sense and avoid radar. The arrays are small with a size of 24 cm × 9 cm and operate from 13 to 17 GHz with electronic scanning from plus or minus 45 degrees in azimuth and plus or minus 30 degrees in elevation. A novel design architecture allows the use of multiple multilayered printed circuit boards and simple...
The measured results from an X-band electronically scanned array using an overlapped subarray architecture are presented. The 2D architecture uses a 12×12 element subarray with 3 to 1 overlapping. The active electronic scanned array is a receive only implementation consisting of switch, low noise amplifier, phase shifter and attenuator. Measured far-field patterns and excitation at the aperture using...
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