Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Sizheng Chen"'
Publikováno v:
IEEE Access, Vol 7, Pp 7897-7904 (2019)
This paper proposes a low-power fractional-N all-digital PLL (ADPLL) for the narrow-band Internet-of-Things applications. Multi-step lock controlling and oscillator tuning word coarse prediction algorithms help to accelerate the locking process to le
Externí odkaz:
https://doaj.org/article/edc0a468ffd84dccb5c746494dbee7a4
Publikováno v:
IEEE Access. 7:7897-7904
This paper proposes a low-power fractional-N all-digital PLL (ADPLL) for the narrow-band Internet-of-Things applications. Multi-step lock controlling and oscillator tuning word coarse prediction algorithms help to accelerate the locking process to le
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 65:181-185
This brief presents a wake-up mechanism for orthogonal frequency division multiplexing (OFDM) modulation-based systems by coding a low data-rate wake-up signal in transmitter without extra circuitry overhead. It is achieved by controlling data patter
A Low Power Impedance Transparent Receiver with Linearity Enhancement Technique for IoT Applications
Publikováno v:
Wireless Communications and Mobile Computing, Vol 2018 (2018)
A low power receiver with impedance transparent RF front end is presented. By using the 4-path passive mixer and the active feedback of LNA, the baseband impedance profile is further transferred to receiver input. While a LO-defined input matching is
Publikováno v:
IEICE Electronics Express. 17:20200281-20200281
Publikováno v:
2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT).
This paper presents a 10-bit 16MS/s ultra-low-power Successive Approximation Register (SAR) ADC with capacitor array combining the split-capacitor array and monotonic switching procedure. To achieve the ultra-low power requirement, bootstrapped switc
Publikováno v:
2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT).
This paper presents a third-order Active-RC filter for NB-IoT applications. The filter achieves relatively low power with power-efficient feedforward-compensated OTA. Digital-controlled resistors and capacitor arrays are flexible for gain and bandwid
Publikováno v:
Wireless Communications and Mobile Computing, Vol 2018 (2018)
This paper implements a complementary Class-C digitally controlled oscillator (DCO) with differential transistor pairs. The transistors are dynamically biased by feedback loops separately benefiting the robust oscillation start-up with low power cons
Publikováno v:
RFID-TA
This paper presents a low power high sensitivity RF power detector (PD) for multi-mode active tags. To achieve low power consumption and large detection range, two-branch common-source-type MOSFET transistors biased in subthreshold region are used. T
Publikováno v:
ASICON
This paper presents a low power current-mirror based potentiostat for implantable glucose sensor tags. With a potential-control loop and an error-reduction loop, the potentiostat can accurately capture the weak current from glucose sensors. The desig