Synchronous-Boost Regulator Provides Automatic Fault Detection  

The LTC3529 current-mode synchronous-boost dc-dc converter from Linear Technology Corp. features automatic overload fault detection. Its USB OTG-specific (On-the-Go) protection circuit includes a fault flag that can be programmed to latch off or restart after a timeout duration when the bus is overloaded....

Antenna Chip Targets Built-In FM Applications 

The miniature 2405 FM chip antenna from Yageo Corp. targets mobile applications by replacing the external connection mechanisms of traditional FM antennas with built-in capabilities. It offers reception bandwidth between 88 and 108 MHz and exceptional low-frequency reception performance, according to the company....

Multimedia Processor’s Stacked DDR Reduces Cost, Time-To-Market 

The MagusCore SSD1935 multimedia processor from Solomon Systech includes stacked double-data-rate (DDR) memory on chip, reducing the cost of a portable multimedia device by 30%, according to the company. It also reduces the size and number of printed-circuit board (PCB) layers down to four....

UMTS Chipset Targets Access Points And Residential Gateways 

The MAX2557 receiver and MAX2597 transmitter WCDMA Band II and Band V femto basestation transceiver chipset from Maxim Integrated Products offer a unique digital interface for the North American UMTS market, suiting residential gateways and access points, according to the company....

VCO Offers Ultra-Low Phase Noise For Basestations And Portable Radios 

Designed for the UHF band, the CRO0410A-LF voltage-controlled oscillator from Z-Communications operates from 390 to 430 MHz with a tuning voltage of 0.5 to 4.5 V dc. Typical phase noise is –117 dBc/Hz at 10 kHz offset with a typical tuning sensitivity of 17 MHz/V....

Thanks For The Low-Power DDR2 RAM And Flash Memories 

The growth in smart phones and netbook PCs has opened up opportunities in the memory space that few companies are addressing. But memory giant Micron and its partner Nanya Technology are going after this segment in a big way. Their new low-power DDR2 (LPDDR2) specifically targets mobile Internet devices (MIDs) seeking longer battery life and improved overall performance. ...

A Soft Access Point And Bluetooth Connectivity Provide An Attractive Wi-Fi Solution 

Designers looking to incorporate Wi-Fi and Bluetooth into their next handset can tap new technologies from Atheros Communications. The company has combined its latest-generation AR6002 ROCm single-chip wireless local-area network with Qualcomm’s BTS4025 Bluetooth SoC, which supports EDR 2.1 with class 1.5 power. ...

Downconverting Mixers Bring Exceptional Linearity To Basestation Receivers 

Designed for new cellular and wireless basestations, the MAX19995, MAX19995A, MAX19997A, and MAX19999 mixers from Maxim Integrated Products combine unusually good linearity, noise performance, and component integration that will make designers rethink their newest products...

Tiny TCXOs Target GPS Applications 

The NT2016SB series of SMT TCXOs from NDK measures just 2.0 by 1.6 by 0.8 mm, making it one of the smallest and lightest GPS-grade TCXOs available, according to the company. They are available in custom frequencies and standard popular frequencies (16.36767, 16.368, 16.369, 19.2, and 38.4 MHz)....

Multiband Devices Handle Handset Front-End Needs 

RF Micro Devices Inc. has introduced two products targeting the mobile handset industry: the RF6460 front-end platform and the RF716x dual-band GSM/GPRS transmit modules...

Eight-User HSPA Femtocell IC Announced 

The PC8219 from picoCell is a complete baseband solution for eight-user HSPA femtocells designed to run on the company’s PC202-10 processor chip...

IC TV Receiver Uses Software-Defined Radio Solution 

Trying to make a one-size-fits-all IC TV tuner for the world TV market is a real challenge, meeting multiple standards requiring multiple parts...

Buck-Boost Converter Extends Battery Runtime 

A new 7-V, 500-mA synchronous buck-boost dc-dc converter from Linear Technology offers designers extended battery run time in handheld applications. Using a single inductor, the LTC3534 delivers its output current to a regulated output above, below, or equal to the input. ...

LDMOS Power Transistors Bring Max Power And Efficiency To Basestations 

The green movement and the continuing quest to lower operating expenses puts an increased focus on the RF power amplifiers in basestations. Improved efficiency while maintaining linearity is the goal. Freescale’s MRF8S9260H, MRF8S9170N, MRF8S9200N, and MRF8S9300 LDMOS power transistors are designed with that in mind. ...

Power-Management IC Covers All The Bases In Mobile Design 

Programmable power-management IC provides everything you need to power the circuits in a smart phone or other mobile consumer devices...

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