Microsemi announced the availability of the smallest radio module it has ever produced.
The ZL70323 is optimised for implantable medical devices such as pacemakers, cardiac defibrillators and neurostimulators – measuring just 5,5 x 4,5 x 1,5 mm – and supersedes the ZL70321 and complements the ZL70120 radio module used for external device controllers.
The ZL70323 implements all RF-related functions needed to deploy the implant node in a Medical Implantable Communications Service (MICS) RF telemetry system. The integrated antenna tuning circuit allows the module to be used with a wide range of implantable antennas.
The module integrates an RF transceiver with integrated matching network, surface acoustic wave (SAW) filter for suppression of unwanted blockers, and antenna tuning; 2,45 GHz wake-up receiver matching network; 24 MHz reference frequency crystal; and decoupling capacitors and series termination resistors.
The device operates in the 402 – 405 MHz MICS band. Multiple low power wake-up options are supported, including using an ULP 2,45 GHz industrial, scientific and medical (ISM) band wake-up receive option. The ZL70103 consumes less than 6 mA when transmitting or receiving and consumes only 290 nA when in a periodic sleep/sniff mode (1 second sniff interval).
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