Circuits

Multifunctional USB Controller features 50 I/O pins.

Designed as generic HID device, IO-Warrior56 facilitates access to input or output functions via USB bus and can also serve as I-²C/SPI master. Protocol is entirely within chip, and only a few lines of code are needed to access I/O pins. In addition to Full Speed USB 2.0-compliant interface (12 Mbps), controller offer 50 general-purpose I/O pins with 1,000 Hz typ rate; I2C master function @ 50,...

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LED Lamp Reference Design includes single-stage PFC.

LED Lamp Reference Design includes single-stage PFC.

Based on LinkSwitch-PL LNK457DG LED driver IC, RDK-251 supports 5 W offline LED driver and fits inside A19 LED replacement lamp with E26/27 base. Reference design provides single constant-current output of 350 mA at nominal LED string voltage of 15 V. Output current can be reduced using standard AC mains TRIAC dimmer down to 1% at 3 mA without instability or flickering of LED array. Power factor...

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RF Power Detector IC delivers rms and envelope outputs.

Model ADL5511 TruPwr rms and envelope detector operates within 1 MHz to 4 GHz frequency range. Envelope output is presented as voltage that is proportional to envelope of input signal, while rms output is linear-in V/V output voltage independent of peak-to-average ratio of input signal. Unit offers -

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Voice Capture SoC targets portable consumer electronics.

BelaSigna R261 includes DSP with dual-microphone noise reduction algorithm to optimize speech intelligibility in noisy environments. Regulator, phase-locked loop, level translator, and memory are also included in 5.3 mm-² WLCSP package. In conferencing applications, unit identifies and extracts speech within range up to 6 m from surrounding noise. Device, which plugs into digital microphone...

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Video Gateway Set-Top Box SoC supports streaming IP video.

Designed in 40nm CMOS silicon technology, Model BCM7422 combines 1.3 GHz multi-threaded MIPS-® processor with H.264/MPEG Scalable Video Coding, and Multiview Video Coding standards for enabling 1080p60/50 content distribution and full-resolution HD 3DTV. Device is supported by 1G pixel/sec OpenGL-® ES 2.0 3D GPU for advanced 3D graphics acceleration, as well as integrated whole-home...

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Richardson Electronics and Scintera Expand Breakthrough Linearization Technology to UHF Broadcast TV Power Amplifiers

The Two Companies Display New Solution at APMC 2010, in Yokohama, Japan Tokyo, Japan - : Richardson Electronics, Ltd. announces that it has once again teamed with Scintera-®, Inc., to bring the newly enhanced SC1887-03 Adaptive RF Power Amplifier Linearizer (RFPAL) to the UHF broadcast TV transmitter market. This fully adaptive, RF-in, RF-out amplifier pre-distortion solution operates directly...

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RFID Memory IC simplifies equipment maintenance.

RFID Memory IC simplifies equipment maintenance.

To accelerate servicing and facilitate record keeping, LRiS64K combines radio tagging circuitry with 64 Kb non-volatile EEPROM capable of storing manufacturer details as well as repair/upgrade data. Information held directly on this 13.56 MHz device is accessible via standard RFID reader, and service history can be updated for subsequent inspection/service. Along with 64-bit Unique Identifier,...

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Hitex Supports Infineon's Medical Platform MD8710

Hitex Development Tools was a significant project partner in the realization of the new, innovative platform for medical devices recently launched by Infineon. With the successful completion of this project, Hitex impressively underlines its expertise as a development and production service provider. The Medical Platform MD8710 from Infineon is ideally suited for applications such as electronic...

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Buck-Boost DC/DC Converter provides up to 96% efficiency.

Buck-Boost DC/DC Converter provides up to 96% efficiency.

Suited for low-noise applications, Model LTC3113 delivers 3 A of output current from nominal 3.3 V power source, Li-Ion/polymer battery or up to 1 A from dual cell alkaline/NiCad/NiMH batteries. IC features 1.8-5.5 V input and output ranges and provides regulated output from input voltage above, below, or equal to output. Offered in 4 x 5 mm DFN or TSSOP-20E package, synchronous device has...

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Buck-Boost DC/DC Converter has single-inductor design.

Buck-Boost DC/DC Converter has single-inductor design.

With rated efficiency up to 98%, synchronous LTC3789 operates using single inductor with 4-switch synchronous rectification and can deliver output power up to 150 W. IC operates with selectable fixed frequency from 200-600 kHz and can be synchronized to external clock over same range with its integrated PLL. With 4-38 V input and 0.8-38 V output ranges, product employs current-mode control...

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