Industry News

New Products: Devices

DEVICES Tunnel Diode Detector Assemblies The DTN2040 series microwave detector assemblies are designed with tunnel diodes that provide temperature stability without any bias requirement. Tangential sensitivity is typically –52 dBm with a voltage sensitivity of 1000 mV/mW over a 2 to 4 GHz frequency bandwidth. The detectors can be...
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New Products: Integrated Cirucits

INTEGRATED CIRCUITS DECT RF Chipset This RF chipset designed for use in Digital European Cordless Telephone (DECT) applications uses SiGe technology and a closed-loop modulation concept to prevent undesired frequency deviations, resulting in less expenditure of shielding, better performance and faster production time. The RF chipset is offered as...
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New Products: Sources

SOURCES High Frequency VCO The model VCO691-5800T high frequency VCO features a frequency range from 5700 to 5900 MHz, supply voltage of +3 V and phase noise of –99 dBc/Hz (typ) at 100 kHz offset. Typical output power is –7 dBm. Second and third harmonics are –15 dBc (typ)...
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New Products: Test Equipment

TEST EQUIPMENT Radar Return Simulator Assembly The model 1663 radar return simulator assembly operates in Ku-band and is designed to provide a programmable phase and amplitude relationship between two channels for simulating radar return signals. The module interfaces with a waveguide manifold, which in turn interfaces with the waveguide...
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New Products: Processing Equipment

PROCESSING EQUIPMENT PCB Prototyping System The ProtoMat 91s/HS PCB prototyping system produces PCBs with trace edges and holes that are within 0.02 mils (5 mm) of design position. Tool change is quicker and easier with the incorporation of a lever tool release and a collect mechanism. These features allow...
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New Products: Subsystems

SUBSYSTEM S-band RF Head Marine Radar Product This 30 kW S-band RF head consists of a magnetron, circulator, limiter and low noise front end. The unit incorporates an E-plane waveguide for a lighter-weight product for optimum performance and long life. The design can be provided with a sensitivity time...
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Cellular Mobile Radio Communication Channels in View of Smart Antenna Systems

The different parameters that define the radio communication channel, as well as variables that are important in view of multi-antenna systems
Cellular Mobile Radio Communication Channels in View of Smart Antenna Systems Smart antenna systems use signal processing methods in conjunction with multiple antennas to achieve significant improvements in capacity and range for wireless mobile communications. Temporal and spatial filtering techniques are devised to effectively mitigate co-channel interference and remove...
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Around the Circuit

Around the Circuit INDUSTRY NEWS Telecommunication equipment supplier Eagle Wireless International Inc. , Houston, TX, has completed its acquisition of the assets of electronic wellhead controller manufacturer W&H Development Inc. , also of Houston. Eagle Wireless reports that W&H Development’s products will help expand the functionality and markets for...
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New Literature

New Literature Product Application Brochure This eight-page brochure includes specifications on radar amplifiers, CW TWT amplifiers, electromagnetic compatibility amplifier systems, laboratory amplifiers and transmitters. Applied Systems Engineering Inc., Fort Worth, TX (817) 249-4180. Ceramic-to-metal Component Brochure This six-page brochure outlines ceramic-to-metal components designed to withstand demanding environments, including extreme...
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COMPONENTS

COMPONENTS Step Attenuators The models 50V10 and 50V70 rotary step attenuators provide attenuation ranges of 0 to 10 dB and 0 to 70 dB over the cellular/personal communications service (PCS) frequencies of 800 to 2000 MHz. Each unit is supplied with index stops, knobs and provisions to panel mount...
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