FIRST RF Corporation

Antenna & RF Systems Technologies

1 Proprietary/Competition Sensitive Data

X-Band Patch Array

FIRST RF Corporation

Antenna & RF Systems Technologies

2 Proprietary/Competition Sensitive Data

Desired Requirements:• Frequency Range 9.5 to 10 GHz• Azimuth beamwith: 10-12 deg• Elevation Beam width: 45-50deg• Max peak gain loss: 1.5dB• Sidelobes < 20dB down• Peak power: 20W• Ave Power: 10W• VSWR <1.5:1 • Max size: 13.78” x 8.66” x 2.36” • Max weight: 3 lbs• Dual Polarization with separate V and H feeds

Designed on:• Substrate: Duroid 5880, er = 2.2, t = 31mil• Quarter wavelength ≈ 220 mil

FIRST RF Corporation

Antenna & RF Systems Technologies

3 Proprietary/Competition Sensitive Data

Junction 1

Junction 2

Junction 3

Junction 1: Zright 76.15 ohm=48 mil

Zleft 140 ohm = 10mil

Junction 2: Zright 82 ohm = 40 mil

Zleft 127 ohm = 14mil

Junction 3: Zright 92 ohm = 32.67 mil

Zleft 109 ohm = 21 mil

FIRST RF Corporation

Antenna & RF Systems Technologies

4 Proprietary/Competition Sensitive Data

W=.01

W=.028W=.06

W=.048

W=.014W=.04

W=.031

W=.048

W=.036

W=.021 W=.032

W=.043

W=.055

W=.040

W=.07