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Industry News

Compact Internal Multiband Microstrip Antennas for Portable GPS, Cellular and Satellite Phones

Multiband internal integrated microstrip antennas that can be designed with only one feed point or multiple feed points and provide good performance both beside the human body and in free space
Compact Internal Multiband Microstrip Antennas for Portable GPS, PCS, Cellular and Satellite Phones Mohamed Sanad and Noha Hassan AMANT Reno, Nevada Compact multiband internal integrated microstrip antennas have been developed for different combinations of hand-held portable global positioning systems (GPS), PCS, cellular satellite phones, Personal Computer Memory Card International...
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COMPONENTS

COMPONENTS 0.5 - 3 GHz Miniature Digital Attenuators The models AA105-86 and AA106-86 single positive control GaAs IC FET digital attenuators are four and five bit, respectively. The AA105-86 offers high attenuation accuracy at 1 dB steps to 15 dB; the AA106-86 features high attenuation accuracy at 0.5 dB...
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SUBSYSTEMS

SUBSYSTEMS 1000 W Power Supply The TX1000 series single-output, 1000 W power supply with active input power factor correction circuitry accommodates a 90 to 264 VAC input for global applications. Standard output configurations include 3.3, 5, 12, 15, 18, 20, 24, 28, 36 and 48 V models to support...
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TEST EQUIPMENT

TEST EQUIPMENT Voltage Tester Kikusui Electronics Corp.'s model TOS5052 withstanding voltage tester is designed for use with electronic equipment or components and features a rise-time control that automatically increases test voltage to specified levels as required by UL-type and IEC safety standards. It offers a high capacity power supply...
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AMPLIFIERS

AMPLIFIERS PCS 13 W CDMA High Power Amplifier The model HPA1920-13 highly linear 13 W CDMA high power amplifier has a solid-state design that covers the PCS transmit band of 1930 to 1990 MHz. Gain is 30 dB with other options available. The unit is suitable for single-channel tower-top...
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ANTENNAS

ANTENNAS 250 V/m Field Antenna The model AT4002A microwave horn antenna is capable of generating fields of up to 250 V/m with a gain of 11 dB (max) over isotropic. It accepts 250 W of input power from 0.8 to 5 GHz and supplies the high intensity fields necessary...
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DEVICES

DEVICES Tuner Diodes The model SOD323 packaged varactor diodes require 50 percent less board space than their larger SOT23 packaged alternatives and have a reverse breakdown voltage of 25 V. The diodes offer users a nominal capacitance range between 8.2 and 68 pF for a VR of 2 V...
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HARDWARE

HARDWARE Two-part EMI Shield The BOLDT SHIELD II™ is a standard off-the-shelf, two-part electromagnetic interference shield packaged in standard EIA410 tape-and-reel formats for automated circuit board-level installation. Its unique design (with removable lid) provides easy access to inspect or repair important electronic components without having to detach the surface-mount...
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INTEGRATED CIRCUITS

INTEGRATED CIRCUITS 3 V Receiver The model AWR8004 wireless receiver is designed for 3 V operation and features conversion gain of 17 dB (typ) and noise figure of 3.5 dB (max). The unit offers low power consumption and a very small footprint and is highly integrated, allowing wireless system...
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MATERIALS

MATERIALS Reinforced Gap Filler The THERMA-A-GAP™ F574 thermally conductive elastomer is designed for efficiently transferring heat from components into various heat spreading devices. The material's thermal impedance ranges from 0.6° to 2.6°C-in2/W for thickness from 0.02 to 0.10 inch. The material consists of a soft silicone elastomer loaded with...
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