نتایج جستجو برای: capacitive microphone
تعداد نتایج: 15960 فیلتر نتایج به سال:
Abstract This paper presents a switched-bias MEMS microphone preamplifier for an ultra-low-power voice interface. A switched-MOSFET periodically changes the MOSFET between strong inversion and accumulation to inherently reduce 1/f noise. In addition, a proposed coupling capacitor allows the microphone to benefit from a high bias voltage while the preamp can use a low VDD. The preamp achieves 7 ...
there are fewer problems encountered with optical voltage transducers in comparison with their inductive and capacitive counterparts. although capacitive and inductive transformers are used vastly for the purpose of measurement and protection in the networks, they cause problems such as core saturation and improper transient responses which decrease the accuracy of measurement and eficiency of ...
According to contact type, RF MEMS switches are generally classified into two categories: Capacitive switches and Metal-to-Metal ones. The capacitive switches are capable to tolerate a higher frequency range and more power than M-to-M switches. This paper presents a cantilever shunt capacitive RF MEMS switch with characteristics such as low trigger voltage, high capacitive ratio, short switchin...
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