A low emission, low power non-linear frequency modulation based transmitter for implanted devices.
EMBC（2013）
摘要
The paper proposes a low emission, non linear frequency modulator for transmitting neural signals. With the advent of embedded medical devices, designers need to start developing low Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) devices. We propose a non-phase locked loop based frequency modulator. The modulator utilizes a ramp to encode the bit stream from the neural amplifier. In addition it utilizes a non linear signal to modulate the encoded signal leading to lowering of peak of power spectrum, a measure of electro-magnetic interference. The proposed algorithm has been implemented on 0.18µ AMS technology and results presented.
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关键词
rfi devices,emi devices,nonphase locked loop based frequency modulator,implanted devices,radio transmitters,radiofrequency interference,low power nonlinear frequency modulation based transmitter,frequency modulation,ams technology,prosthetics,biomedical equipment,neural signals,electromagnetic interference,low electromagnetic interference devices,radiofrequency interference devices,nonlinear signal,power spectrum,neural amplifier,embedded medical devices,generators,nonlinear dynamics,capacitors,frequency shift keying,algorithms,computer simulation
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