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Oscillators Offer 99.91% Accuracy

September 8, 2008 6:46 am | Product Releases | Comments

Linear Technology’s LTC6930 family of precision silicon micropower oscillators offer 99.910% accuracy with fixed frequencies from 32.768 kHz to 8.192 MHz in five versions, each with a master frequency and digitally-controlled frequency dividers that give eight frequencies per device. The devices draw 105 µA at 32 kHz from a single supply ranging from 1....

Module Combines Digitizer and DDC

September 8, 2008 6:46 am | Wireless Design & Development | Product Releases | Comments

Pentek’s Model 7152 PMC module combines four 16-bit 200-MHz A/D digitizers with a 32-channel digital down converter (DDC) with pre-installed IP cores for Xilinx FPGAs. The device includes proprietary signal processing techniques, channel summation, and power meters with threshold detectors that automatically send an interrupt to the processor if the power level falls below or exceeds a programmable threshold....

Dual Amplifier Delivers 44 dBm Output

September 8, 2008 6:46 am | Product Releases | Comments

Mimix Broadband’s XG1001-SA dual high-dynamic range amplifier yields an IP3 output of 44 dBm, noise figure of 2.10 dB, and gain of 13 dB at 2 GHz in a frequency range from 0.05 to 4 GHz. The RoHS-compliant SOIC-8-packaged device is well suited for applications including cellular and PCS as well as CATV, MMDS, and WLAN....

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Processor Targets HSPA Femtocells

September 8, 2008 6:46 am | Product Releases | Comments

Built for HSPA femtocells, picoChip’s PC302 system-on-chip baseband processor supports up to four users for residential and SME femtocell access points with data rates of 14.4 Mb/s HSDPA and 5.7 Mb/s HSUPA. The TR25.820 and lu-h interface-compliant device integrates a 3-GPP NodeB modem, RNC stack, Radio Resource Management, cryptographic engine, high-speed accelerators, synchronization, 2G and 3G network listen functionality and peripherals...

Automotive Device Family Provides System-on-Chip Functionality

September 8, 2008 6:46 am | Product Releases | Comments

Lattice Semiconductor Corporaton has announced automotive versions of its non-volatile, 90 nm Flash-based LatticeXP2™ FPGAs, which are qualified to meet the certification requirements of the AEC-Q100 standard. The FPGA family includes three members, with capacities from 5K to 17K 4-input Look Up Tables (LUTs)....

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Regulator Module Yields 80 A Output

September 8, 2008 6:46 am | Product Releases | Comments

Murata Power Solution’s VR110B080CA-1C single inline packaged (SIP) voltage regulator module (VRM) exhibits a maximum output current of 80 A with a 7-bit DAC-programmable output voltage range from 0.8375 to 1.6000 VDC. The Intel® VRM 11.0-compliant device offers an input voltage of 12 VDC with 88% efficiency....

Social Networking Gains Popularity with All Ages

September 8, 2008 6:46 am | Articles | Comments

Nancy Maas Editor-in-Chief Social Networking, Mobile Social Networking, MySpace, Facebook, Friendster, Couch Surfing (I love that one) — what exactly are these things and why are they now such a significant part of people’s lives, particularly teenagers? I had to get a “crash course” recently from my sixteen year old niece to find out.

RFIC Measures Peak to Average Power Ratio

September 8, 2008 6:46 am | Product Releases | Comments

Hittite Microwave’s HMC614LP4E RMS Power Detector is designed for RF power measurement, and control applications for frequencies up to 3.9 GHz. The detector provides a “true RMS” representation of any RF/IF input signal. The output is a temperature-compensated, monotonic representation of real signal power, measured with a differential input sensing range of 71 dB....

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Buck Converter Includes Performance Monitoring

September 8, 2008 6:46 am | Product Releases | Comments

Provided in a 4-mm² MLPQ 12-pin package, the AS7620, a hysteretic, high efficiency, 32 V step-down DC/DC buck converter from austriamicrosystems provides both “early-power-fail” warning and “power-good” signals for alerts in performance-sensitive systems. Optimized for industrial 24 V applications, the converter is available with a fixed 3....

Signal ICs Integrate Isolator and Driver

September 8, 2008 6:45 am | Product Releases | Comments

Silicon Laboratories’ Si823x ISOdriver family of mixed-signal ICs integrate a two-channel isolator and 4-A dual driver into a single chip with under-voltage lock-out circuitry. The analog-intensive CMOS-designed devices yield peak output currents of 0.5 or 4 A, output-to-input differential voltage isolation of 2....

MOSFETS Allow 125 V Input

September 8, 2008 6:45 am | Product Releases | Comments

Maxim Integrated Products’ MAX15018 and MAX15019 half-bridge MOSFET drivers allow input voltages up to 125 V with a high-side (HS) pin. The HIP2100IB- and HIP2101IB-compatible devices provide a peak source and sink current of 3 A, typical propagation delay of 35 ns and maximum matched propagation delay of 2 ns between drivers....

Conversion ICs Target Notebook Adapters

September 8, 2008 6:45 am | Product Releases | Comments

Power Integrations’ TOPSwitch-HX family of AC/DC power conversion ICs are appropriate for adapters for notebook computers, LCD monitors and flat-panel TVs from 20 to 100 W. The eSIP-L-packaged devices combine a 700 V switching power MOSFET with controller and supervisory functions into a single monolithic IC while utilizing a TOP261 chip....

Front Ends Boast High Power Density

September 8, 2008 6:45 am | Product Releases | Comments

Delivering up to 2,000 W in a 5.5" × 10.7" × 1.6" package, the UFE series of programmable AC/DC front-end power supplies from Emerson Network Power yield a power density as high as 22 W/in³. Up to three supplies can deploy on a single 1U high 19” rack for up to 6 kW of available power and up to 4 kW of redundant power....

Harnessing the Benefits of Adaptive RF Tuning

September 8, 2008 6:45 am | Product Releases | Comments

A high-level open-loop RF tuning solution called the Radio Antenna Frequency Tuner (RAFT) can be used to optimize antenna impedance. By Dr. Paul McIntosh, Paratek, Inc. While today’s portable wireless devices embody dizzying arrays of features and capabilities, they still are beholden to the basics of RF transmission theory....

How FPGA Trends Impact Wireless Infrastructure Design Organizations

September 8, 2008 6:45 am | Product Releases | Comments

While many skills are necessary to develop FPGA designs, a team-based design methodology approach proves to be both effective and efficient. By Akshaya Trivedi, Altera Corporation With the introduction of 40 nm field programmable gate arrays (FPGAs), the design domains of wireless infrastructure electronics that can be addressed with programmable logic devices (PLDs) are growing (see Figure 1)....

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