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Constant-current LED Driver

October 17, 2007 6:36 am | Product Releases | Comments

Allegro MicroSystems, Inc. introduces a three-channel constant-current LED driver with an on-chip oscillator for simple programmable brightness control. It is typically used to drive a cluster of red/green/blue (RGB) LEDs for one pixel in a large display or a lighting fixture. It precisely controls LED brightness via 10-bit pulse-width modulation (PWM) per channel, complemented by 7-bit analog current control per channel to adjust color bal...

Coaxial Four-way Power Combiner

October 17, 2007 6:36 am | Product Releases | Comments

Mini-Circuits announces the model ZB4PD-232-50W+ coaxial four-way power combiner for applications from 600 to 2300 MHz. The 0-deg. combiner, which can also be used as a power splitter, handles power levels at each of the four ports to 50 W. Insertion loss above the nominal 6-dB combining losses is typically 1....

COTS Single Line Feed-thru EMI Filters

October 17, 2007 6:36 am | Product Releases | Comments

Spectrum Control, Inc. offers COTS single line feed-thru EMI filters that are commercially equivalent to M15733-PRF/72, M15733-PRF/73 and M15733-PRF/74. These filters are offered in both AC and DC models with customizing options available, and they are suitable for the military and aerospace industries....

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Waveguide Low-Pass Filters

October 17, 2007 6:36 am | Product Releases | Comments

Link Microtek introduces its AMQ-LP1 series of waveguide low-pass filters that provide a rejection of better than 100 dB, falling to 70 dB at band edges. The filter series comprises five standard parts, using waveguide sizes of WR340, WR137, WR112, WR90 and WR75 to deliver cut-off frequencies of 2....

EMC Filters for Medical Applications

October 17, 2007 6:36 am | Product Releases | Comments

EPCOS’ SIFI-F (B84111FM) compact two-line filters are available in a medical version for applications where low leakage current is a critical factor. They have a low maximum leakage current of 2 mA, and they offer desirable suppression of symmetrical and asymmetrical interference. The SIFI-F, along with the larger SIFI-G and SIFI-H, is designed for the climate category of 㪱°C up to +100°C....

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Cooling Filters

October 17, 2007 6:36 am | Product Releases | Comments

W. L. Gore & Associates, Inc. announces an addition to its line of telecommunications products for improving system reliability. The GORE® Cooling Filters use ambient air to cool electronic components in outdoor enclosures and Gore’s membrane technology to protect sensitive electronics from extreme environments where they may encounter corrosive particles, sand or salty environments....

Acoustic Wave Filter

October 17, 2007 6:36 am | Product Releases | Comments

Skyworks Solutions, Inc. announces that is has commenced volume shipments of its first high-performance bulk acoustic wave (BAW) filter, the SKY33100-360LF, which is initially being deployed for wireless local area network (WLAN) 802.11 b,g access points. Skyworks is also developing BAW filters and duplexers for use in transmit front-end modules for personal communications system (PCS) and universal mobile telecommunications system (UMTS) c...

Rise Time Filter Kits for HDMI Testing

October 17, 2007 6:36 am | Product Releases | Comments

Picosecond Pulse Labs announces its model 5915 rise time filters for HDMI cable and sink DUT compliance testing. They use a broadband, matched circuit design that minimizes reflections and unwanted test artifacts, making them suitable for standards compliance testing. These filters have been selected as recommended test equipment in the HDMI Compliance Test Specification (CTS), version 1....

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Low Dropout Regulator with Low Quiescent Current

October 17, 2007 6:36 am | Product Releases | Comments

Microchip Technology Inc. announces its MCP1703 low dropout regulator (LDO), a 250 mA LDO with low quiescent current, high input voltage, over-voltage protection and thermal shutdown on a single chip. It is available in a 3-pin SOT-223 and other packages, and it is suitable for applications requiring long battery run-times and high tolerance for input-voltage variations such as smoke detectors, fire alarms and thermostats....

Multi-LIN Transceiver System

October 17, 2007 6:36 am | Product Releases | Comments

Melexis introduces its MLX80001 four-channel LIN (local interconnect network) transceiver IC that can reduce system costs of the LIN physical layer by 20 percent compared to multiple single transceiver ICs found in, for example, a body control module. The LIN bus has applications in automotive and industrial industries....

Operating System with PC Security Features

October 17, 2007 6:36 am | Product Releases | Comments

Green Hills Software, Inc. announces that its Integrity PC secure operating system uses the security features in desktop PCs that are powered by the Intel vPro processor technology. Since the operating system depends on the underlying hardware in order to realize its security policies, the Intel vPro processor technology enhances and simplifies the hardware root of trust required to establish a secure state for the platform....

Jitter Attenuators for SONET/SDH Networks

October 17, 2007 6:36 am | Product Releases | Comments

Valpey Fisher Corporation introduces its VFJA400 and VFJA401 integrated clock/PLL timing modules for synchronization in SONET and SDH network elements. They offer the ability to select one of four preset input frequencies from 8 KHz to 200 MHz and 200 MHz to 800 MHz, respectively. Both timing modules provide a low jitter (0....

Low Power RF Transceiver

October 17, 2007 6:36 am | Wireless Design & Development | Product Releases | Comments

Maxim Integrated Products introduces its MAX2830 single-chip, direct-conversion, low power 802.11g/b RF transceiver with integrated power amplifier, Rx/Tx/antenna diversity switches and crystal oscillator circuitry. Its small size makes it well suited for Wi-Fi, PDA, VoIP and cellular handset applications....

User-Programmable XOs and VCXOs

October 17, 2007 6:36 am | Product Releases | Comments

Silicon Laboratories Inc. announces its Si570/1 family of user-programmable crystal oscillators (XO) and voltage-controlled crystal oscillators (VCXO) that supporting any-rate frequency synthesis. Using proprietary DSPLL technology and an industry-standard I2C interface, a single device can generate any output frequency from 10 MHz to 1....

Multimedia System for Mobile Handsets

October 17, 2007 6:36 am | Product Releases | Comments

NXP Semiconductors announces its Nexperia PNX4903 GSM/GPRS-optimized multimedia system for the ultra low-cost segment of the mobile handset market. Delivering complete system-level operation in a single monolithic IC, the device provides high levels of integration and performance. Optimal RF performance allows flexibility in network planning, particularly in emerging markets where network coverage tends to be sparse in rural areas....

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