![]() The height of the inductor antennas used in this device is limited to 1.2 mm (flexible PCB substrate is thick) because of the strict geometry required for the application . The fabricated implant device is shown in Fig. This oscillating magnetic field is detected using loop antenna in the external data reader hardware. ![]() When M1 is off, indcutor L2 discharges through C2 generating an oscillating magnetic field. When Dout is HIGH, the off-chip transistor M1 (Fairchild Semiconductor NMOS: FDMA86151L) is turned ON and the inductor L2 starts storing energy. ![]() The wirelss power reception modules and digital control of fetching pressure data from capacitance-to-digital converter (CDC) and sending the packaged data as pulses to M1 are integrated in the ASIC.
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