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Radio module targeted at implantable medical devices



Microsemi has launched the smallest radio module it has yet produced. Called the ZL70323 and measuring 5.5 x 4.5 x 1.5mm, the device is said to be optimised for use in implantable medical devices such as pacemakers, cardiac defibrillators and neurostimulators.

Martin McHugh, Microsemi's product line manager for the new module, said: "RF engineering is a highly specialised discipline and leveraging our deep expertise in this area also allows our customers to reduce design times, reduce time-to-market and minimise project risk."

The ZL70323 is said to implement all RF related functions needed to deploy the implant node in a Medical Implantable Communications Service (MICS) RF telemetry system. An integrated antenna tuning circuit allows the module to be used with a range of implantable antennas.

Integrated in the module are: the ZL70103-based MICS band RF transceiver with integrated matching network, SAW filter for suppression of unwanted blockers, and antenna tuning; a 2.45GHz wake-up receiver matching network; a 24MHz reference frequency crystal; and decoupling capacitors and series termination resistors.

Author
Graham Pitcher

Source:  www.newelectronics.co.uk

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