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Macro File and Design Window Compression Load Measurements

Measurement and evaluation algorithims that allow full load pull tests to be performed while driving transistors automatically into desired gain compression and measuring a selection of parameters as a function of input power
Christos Tsironis, Apostolos Samelis and Klaus Buehring
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Macro File and Design Window Compression Load Pull Measurements This article describes measurement and evaluation algorithms that allow full load pull tests to be performed while driving transistors automatically into desired gain compression and measuring a selection of parameters, such as output power, gain, efficiency, intermodulation, adjacent-channel power (ACP),...
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Components

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COMPONENTS Memory BIST IC Option LogicVision's built-in self-test (BIST) technology is now offered as an option in embedded memory devices and helps to ensure automated testability. In addition, the technology is quickly becoming a prerequisite in IC design to optimize design time and silicon real estate, and to preserve...
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Material

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MATERIAL Urethane Foam The PORON" series 4701-30 urethane foam is soft (typical compression forces of 2 to 9 lb per square inch, depending on density, at 25 percent deflection) yet has exceptionally high resistance to compression set. This combination of features allows the new foam material to protect delicate...
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Systems

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SYSTEMS 13 - 38 GHz Digital Radio The COMPACT 38 series digital radio is the first in a family of 13 to 38 GHz radios and is suitable for short-haul wireless and PCS/PCN applications in the mm-wave range. The radio is available in both nonprotected and protected system configurations...
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Hardware

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HARDWARE EMI Gaskets These BalShield® series EMI gaskets provide good shielding capability due to a unique canted-coil design, which creates numerous, independently loaded contact points that reduce the likelihood of creating a slot antenna effect at breaks in the enclosure or package. The spring gasket is a patented design...
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Antenna

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ANTENNA C-band, Remote, Switchable Feed The model ESR-44C/2 C-band, receive-only antenna feed operates over the frequency range from 3.7 to 4.2 GHz and is able to switch remotely between dual-linear and dual-circular polarizations. To use the remote switching function, the receiver should be capable of supplying 24 V to...
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Amplifiers

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AMPLIFIERS Rack-mounted Octave Bandwidth Power Amplifier The model ACAM-7954 rack-mounted octave bandwidth power amplifier operates from 1000 to 2000 MHz and features a convenient 19-inch rack enclosure, 10 W (min) output power and 110 V AC operation. Guaranteed gain is 27 dB, flatness is ±1 dB, 1 dB gain...
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Lightwave

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LIGHTWAVE Rugged, Cost-effective Fiber-optic Link The model AC 102 IF/fiber-optic link offers a low loss means to transmit the RF signal between the antenna and the base station, allowing wireless broadband systems equipment suppliers to deploy the minimum amount of equipment at the remote antenna site. Because of this...
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Devices

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DEVICES Ultraminiature, High Gain, High Frequency Transistors The models NE698M01 and NE699M01 silicon bipolar epitaxial transistors are suitable for low noise amplifiers for PCS and cellular handsets. Gain is 15.5 and 14 dB, and IC (max) is 10 and 30 mA, respectively. Noise figure is 1.1 dB at 2...
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Sources

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SOURCES 9 - 15 GHz Synthesizer The model MS5000-150 synthesizer operates over the frequency range from 9 to 15 GHz and features a switching speed of < 30 ns. Harmonics are > -60 dBc and spurious response is -40 dBc. Phase noise at 14 GHz is -120 dBc at...
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