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A Microstrip Patch Antenna Using Novel Photonic Band-gap Structures The microstrip patch is one of the most preferred antenna structures for low cost and compact design of wireless communication systems and RF sensors. However, as applications move to higher frequencies, conventional patch antenna designs encounter severe limitations such as...
COMPONENTS 2.3 - 2.6 GHz Directional Coupler The model DC25-73 directional coupler operates in the 2.3 to 2.6 GHz band for wireless messaging applications. The unit delivers low insertion loss at 0.2 dB along with good isolation and coupling repeatability. The coupler is available in a small SOT-6 lead...
MATERIALS Eyelet Packages These TO-25X type packages are designed for power controllers and power rectifiers with 75 percent less resistance than standard glass-to-metal packages. The units feature a ceramic eyelet brazed to low resistance copper alloy pins and copper alloy on the ground plane. All components are attached with...
ANTENNAS PCS-/DCS-/ISM-band Dual-patch Antennas These antennas provide for reception and transmission in the 1850 to 1990 MHz, 1710 to 1880 and 2400 to 2500 MHz frequency bands with a low profile design for minimum visual impact, making it a good choice for discreet antenna installations. The units provide gain...
AMPLIFIERS GPS LNA Diplexer This LNA/diplexer assembly designed for use in Global Positioning System (GPS) applications features a 1.8 dB (typ) noise figure for both the L1 and L2 channels. Typical gain is 55 dB and third-order intercept point (IP3) is +30 dBm. Additional features include an input limiter...
DEVICES 100 W GaAs MESFET The type NES1823P-100 GaAs MESFET consists of two pairs of GaAs MESFET chips that can be combined externally in either a push-pull or balanced configuration. The unit is designed for 2.1 to 2.2 GHz base stations, but can be used in 2.3 to 2.4...
INTEGRATED CIRCUITS 50 W Power Hybrid The model HIT 1819001-35 50 W power hybrid is designed for applications that require linear power amplification in the PCS frequency range. The unit is designed to operate with 50 W source and load impedances and includes bias circuitry with temperature compensation....
SOURCES Low Silhouette Rubidium Frequency Standard The model FE-5680A rubidium frequency standard offers a low silhouette of less than 1". The unit serves as a replacement for precision quartz where stringent height requirements and high stability are needed, such as in communications and timing applications. Additional features include stability...
TEST EQUIPMENT RF Power/Volt Meters The 5230 series power/volt meters measure RF voltage from 10 Hz to 2.5 GHz and measure power from 10 kHz to 100 GHz. When operating as a power meter, the unit can make more than 200 measurements per second and measures power levels from...
SUBSYSTEMS Ku-band Upconverter The model U-94-127181 upconverter provides three uplink frequency bands with continuous tuning in 125 kHz (min) frequency step sizes, including 12.75 to 13.25 GHz, 13.75 to 14.5 GHz and 17.3 to 18.1 GHz. The upconverter has low phase noise with both frequency and level controlled by...
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