1
Yunzhi Dong, Zhao Li, Richard E Schreier, Hajime Shibata, Trevor Clifford Caldwell: LC lattice delay line for high-speed ADC applications. Analog Devices Global, Patent Capital Group, April 12, 2016: US09312840 (8 worldwide citation)

This disclosure describes techniques and methodologies of using passive continuous time (CT) delay line for high-speed CT analog-to-digital converter (ADC) applications. In a continuous-time residual producing stage common to these CT ADCs, a proper delay between the analog input and DAC output is c ...


2
Seyed Amir Ali Danesh, Jonathan Ephraim David Hurwitz: Voltage measurement. Analog Devices Global, Schwegman Lundberg & Woessner P A, October 6, 2015: US09151818 (7 worldwide citation)

A voltage measurement apparatus is provided that includes: a potential attenuator configured to be electrically connected between first and second conductors, which are electrically coupled to a source, wherein the potential attenuator includes a first impedance and a reference impedance arrangement ...


3
David J McLaurin, Christopher W Angell, Michael F Keaveney: Apparatus and methods for synchronizing phase-locked loops. ANALOG DEVICES GLOBAL, Knobbe Martens Olson & Bear, June 2, 2015: US09048847 (6 worldwide citation)

Apparatus and methods for synchronizing phase-locked loops (PLLs) are provided. In certain implementations, a fractional-N synthesizer includes a PLL and a control circuit that controls a division value of the PLL. The control circuit includes an interpolator, a reset phase adjustment calculator, an ...


4
Renjian Xie, Qingyi Huang, Yingyang Ou: Wide output voltage range switching power converter. Analog Devices Global, Schwegman Lundberg & Woessner P A, May 26, 2015: US09041372 (5 worldwide citation)

A switching power converter includes a voltage source that provides an input voltage Vin to an unregulated DC/DC converter stage and at least one buck-boost converter stage to produce a desired output voltage Vout. The unregulated DC/DC converter stage is adapted to provide an isolated voltage to th ...


5
Niall Kevin Kearney, Keith O Donoghue, Hongxing Li: Analog to digital convertor and a method of calibrating same. Analog Devices Global, Knobbe Martens Olson & Bear, October 13, 2015: US09160356 (5 worldwide citation)

An analog to digital convertor (ADC) comprises an integrator having an input selectively connected to an intermediate frequency (IF) signal input and an output connected to a summer. The summer has an output connected to an input of a quantizer, the quantizer output being operatively connected to a ...


6
Dennis A Dempsey: Multi-stage string DAC. ANALOG DEVICES GLOBAL, Kenyon & Kenyon, September 1, 2015: US09124296 (4 worldwide citation)

Embodiments of the present invention may provide string DAC architecture with multiple stages for efficient resolution extension. A first stage may include an impedance string (e.g., resistor string). A second stage may include a switch network with each switch having more than two states (impedance ...


7
Seyed Amir Ali Danesh, Jonathan Ephraim David Hurwitz: Current measurement. Analog Devices Global, Schwegman Lundberg & Woessner P A, August 9, 2016: US09411003 (4 worldwide citation)

The present invention relates to current measurement apparatus. The current measurement apparatus comprises first and second measurement devices with each of the first and second measurement devices being operative to measure current in a respective one of a live conductor and a neutral conductor su ...


8
Stephen James Martin Wood, Jonathan Ephraim David Hurwitz, Seyed Amir Ali Danesh: Current measurement. ANALOG DEVICES GLOBAL, Schwegman Lundberg & Woessner P A, April 26, 2016: US09322850 (4 worldwide citation)

The present invention relates to current measurement apparatus 100. The current measurement apparatus 100 comprises a measurement arrangement 110, 114 which is configured to be disposed in relation to a load 108 which draws a current signal, the measurement arrangement being operative when so dispos ...


9
Dixian Zhao, Patrick Reynaert, Michael F Keaveney: Apparatus and methods for a cascode amplifier topology for millimeter-wave power application. ANALOG DEVICES GLOBAL, Knobbe Martens Olson & Bear, August 9, 2016: US09413309 (4 worldwide citation)

Provided herein are apparatus and methods for a cascode amplifier topology for millimeter-wave power application. The cascode amplifier can use a neutralized common source stage cascoded with a bootstrapped common gate stage to provide an amplifier topology having enhanced performance, gain, stabili ...


10
Dennis A Dempsey: Digital to analog converter. ANALOG DEVICES GLOBAL, Patent Capital Group, August 2, 2016: US09407278 (4 worldwide citation)

In an example, there is disclosed a digital to analog converter (DAC) architecture that in a first aspect provides first and second parallel paths through the DAC so as to allow a separation of a coarse and fine aspect of the DAC transfer function is described. In another aspect a DAC architecture i ...