Microsemi's New RF Modules Speed Time-to-Market for Implantable Medical Device Designers

ALISO VIEJO, Calif., Jan. 8, 2013 /PRNewswire/ -- Microsemi Corporation (Nasdaq: MSCC),a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced the availability of a complete medical network (med-net) radio link for implantable medical devices such as pacemakers, cardiac defibrillators and neurostimulators. The new radio link is comprised of the company's ZL70321 implantable radio module and its ZL70120 base station radio module for external device controllers. Both modules are based on Microsemi's ultra low power (ULP) ZL70102 medical implantable communications service (MICS) band radio transceiver chip, which supports a very high data rate RF link for medical implantable communication applications.

(Logo: http://photos.prnewswire.com/prnh/20110909/MM66070LOGO)

Radio frequency technology is increasingly being used in a wide variety of medical implantable applications including cardiac care, physiological monitoring (e.g. insulin), pain management and obesity treatments. 

"RF engineering is a highly specialized discipline, and leveraging Microsemi's deep expertise in this area allows our customers to reduce design times and minimize project risk," said Martin McHugh, Microsemi's product line manager. "With Microsemi's two-module radio link, companies can now focus research dollars and development efforts on new therapies that enable a better quality of life."

About Microsemi's Med-Net Radio Link Solution 
The ZL70321 implantable module implements all RF-related functions needed to deploy the implant node in a MICS RF telemetry system. The integrated antenna tuning circuit allows the module to be used with a wide range of implant antennas (nominal antenna impedance is 100+j150 Ω). The module provides the following major blocks:

• ZL70102-based MICS RF transceiver with integrated matching network, SAW filters for suppression of unwanted blockers and antenna tuning;
• 2.45 GHz wake-up receiver matching network;
• Integrated 24 MHz reference frequency crystal; and
• Decoupling capacitors.

The ZL70120 base station radio module also includes all RF-related functions required to deploy the external device functions in a MICS-band RF telemetry system. It is designed to meet regulatory requirements including FCC, ETSI and IEC. Additional features include:

• Integrated matching network, bandpass filters for suppression of unwanted blockers and an extra receiver LNA for maximized receiver sensitivity;
• 2.45-GHz wake-up transmitter and antenna matching network;
• RSSI filter and logarithmic amplifier simplifying clear channel assessment (CCA) required by the MICS standard;
• 24-MHz XO reference frequency for the 400-MHz and 2.45-GHz subsystems; and
• Fully shielded package.

Microsemi's ZL70102 transceiver chip, which is used on both the implantable and base station modules, allows patient health and device performance data to be quickly transmitted with little impact to the useful battery life of the implanted device. The device operates in the 402–405 MHz MICS band. Multiple ULP wake-up options are supported including a 2.45 GHz ISM band wake-up receiver. The ZL70102 consumes less than 6mA when transmitting or receiving data, only consumes 290nA when in listen before transmit mode and has a sleep mode that consumes just 10nA.

Availability 
Microsemi's new med-net radio solution is available now. The company also offers an application development kit (ADK) to qualified customers. To learn more about Microsemi's new radio solution, contact Martin McHugh at +44 (0) 1291435342.

About Microsemi 
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for communications, defense & security, aerospace and industrial markets. Products include high-performance, radiation-hardened and highly reliable analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and voice processing devices; RF solutions; discrete components; security technologies and scalable anti-tamper products; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 3,000 employees globally. Learn more at www.microsemi.com. 

Microsemi and the Microsemi logo are registered trademarks or service marks of Microsemi Corporation and/or its affiliates. Third-party trademarks and service marks mentioned herein are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to its medical network radio link for implantable medical devices and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

SOURCE Microsemi Corporation

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