Abstract
Chronic diseases and rising aging populations are the major reasons towards the usage of low power, low noise, life time performance Biomedical Implantable Devices. Efficient architectural designs will be responsible for the requirements set out above. This paper focuses on the ADPLL DPFD architecture for implantable biomedical devices. For high performance DPFD, the dead zone, lock in time is a seldom limitation to ADPLLs. In the present paper, a new approach to design a dead zone free with fast and high locking time and low phase noise DPFD is considered to be a challenge. This can be accomplished by carefully controlling the reference and feedback clock frequencies of the phase detector with the proposed NIKSTRO/SURAV latch based sense amplifier. The proposed architecture was developed and simulated using 45nm technology and it is observed that it provides a 20ns dead zone with 4.8mW of power consumption at the rate of 1.8GHz, while the lock in time for the proposed method is 340ns with moderate phase noise. It is also noted that the designed one showed better results when compared to the existing ones.
Highlights
Archeological research reveals that the Greek civilization used instruments to study the human body in order to understand human anatomy and to treat healthy and pathological conditions
The new science and technology of biomedical engineering have contributed to the manufacture of cuttingedge biomedical implantable over the last five decades, helping to improve clinician’s know-how to improve the human anatomy [1]
According to to Digital Conversion (TDC)’s report, it drastically reduced the number of All Digital PLLs (ADPLLs) converters required, but the remaining technical limitations were severely affected [3,4,5,6,7]
Summary
Archeological research reveals that the Greek civilization used instruments to study the human body in order to understand human anatomy and to treat healthy and pathological conditions. This idea has placed roots for the growth of a biomedical tree. A more precise diagnosis, which can be achieved by highly technical biomedical devices / BIMD's, is necessary for medical professionals to prescribe an effective cure. These BIMDs range from sensors, GES and cardiac pacemakers, ICD, to DBS, nerve (PNS, SCS), and bone stimulators. How ADPLLs subtle the PLLs & Digital PLLs (DPLLs)? block diagram of PLL, categories of DPLLs, reader has suggested to read [3,4,5,6,7,8]
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