Receiver IC suits radio frequency applications.

Press Release Summary:

With operating frequency from 300-350 MHz, 3.3 V QwikRadio® MICRF213 offers designers low current consumption of 3.9 mA at 315 MHz. It features up to -110 dBm sensitivity and functions as super-heterodyne receiver for OOK and ASK modulation up to 7.2 kbps at 315 MHz. Down-conversion mixer provides image rejection to optimize communication distance. Four filter bandwidths may be selected externally by user in binary steps from 1.18-9.44 kHz at 315 MHz operating frequency.

Original Press Release:

Micrel Rolls Out New Receiver for RF Family Featuring Best Distance Performance on the Market

SAN JOSE, Calif., June 4 /-- Micrel Inc., (NASDAQ:MCRL), an industry leader in analog, high bandwidth communications and Ethernet IC solutions, today launched the MICRF213, the newest member of the Company's QwikRadio(R) RF receiver IC family. The new family of ICs features enhanced sensitivity and selectivity, and continues to lead the industry in distance performance. The MICRF213 is a general purpose, 3.3V QwikRadio(R) receiver operating in the 315MHz range. All of Micrel's QwikRadio(R) RF receivers are designed to meet the rigorous cost and design cycle needs of quickly developing RF applications including telemetry, wireless sensing, environmental monitoring, consumer entertainment remotes, remote actuation and lighting control, remote keyless entry (RKE) and tire pressure monitoring systems (TPMS). The MICRF213 is currently available in volume, with pricing starting at $1.89 for 1,000-piece quantities.

"With excellent selectivity, noise rejection, and a low external part count, this newest member of the QwikRadio(R) family is particularly suited for the explosive remote actuation market," noted John Lee, Micrel's director of Mixed-Signal and RF Products. "The MICRF213 augments the line of Micrel's market leading solutions in the sub-GHz CMOS RF arena by offering a solution ideal for many growing RF applications."

The device's operating frequency band is from 300MHz to 350MHz. It offers designers a low current consumption of 3.9mA @ 315MHz. The MICRF213 features up to -110dBm sensitivity and functions as a super-heterodyne receiver for OOK and ASK modulation up to 7.2kbps @ 315 MHz operating frequency. The down- conversion mixer also provides image rejection to improve communication distance. All post-detection data filtering is built-in on the MICRF213. There are four filter bandwidths may be selected externally by the user in binary steps, from 1.18kHz to 9.44kHz @ 315 MHz operating frequency. The designer need only configure the device with a set of easily determined values, based upon data rate, code modulation format, and desired duty-cycle operation.

About Micrel, Inc.
Micrel Inc., is a leading global manufacturer of IC solutions for the worldwide analog, Ethernet and high bandwidth markets. The Company's products include advanced mixed-signal, analog and power semiconductors; high performance communication, clock management, Ethernet switch and physical layer transceiver ICs. Company customers include leading manufacturers of enterprise, consumer, industrial, mobile, telecommunications, automotive, and computer products. Corporation headquarters and state-of-the-art wafer fabrication facilities are located in San Jose, CA with regional sales and support offices and advanced technology design centers situated throughout the Americas, Europe and Asia. In addition, the Company maintains an extensive network of distributors and reps worldwide. Web:

Note: QwikRadio is a registered trademark of Micrel, Inc. Certain QwikRadio ICs were developed under a development agreement with AIT of Orlando, FL.

CONTACT: Julieanne DiBene, Marketing Communications of Micrel, Inc.,

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