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Joann P Close

age ~64

from Los Altos, CA

Also known as:
  • Joann Patricia Close
  • Joann P C Good
  • Joann P Good
Phone and address:
1417 Fallen Leaf Ln, Los Altos, CA 94024
4159647535

Joann Close Phones & Addresses

  • 1417 Fallen Leaf Ln, Los Altos, CA 94024 • 4159647535
  • 29 Bates Rd, Arlington, MA 02474 • 8147745408
  • 1800 Randall Rd, San Mateo, CA 94402 • 6505717942

Work

  • Company:
    Analog devices
    Jul 1982
  • Position:
    Design manager

Education

  • Degree:
    Bachelors, Bachelor of Science In Electrical Engineering
  • School / High School:
    Massachusetts Institute of Technology
    1978 to 1982
  • Specialities:
    Electrical Engineering

Skills

Analog • Analog Circuit Design • Asic • Circuit Design • Cmos • Semiconductors • Mixed Signal • Integrated Circuits • Electronics

Industries

Semiconductors

Us Patents

  • Bipolar Rail-To-Rail Input Stage With Selectable Transition Threshold

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  • US Patent:
    6518842, Feb 11, 2003
  • Filed:
    Jun 7, 2002
  • Appl. No.:
    10/165496
  • Inventors:
    Nathan Carter - Arroyo Grande CA
    JoAnn P. Close - Los Altos CA
  • Assignee:
    Analog Devices, Inc. - Norwood MA
  • International Classification:
    H03F 345
  • US Classification:
    330257, 330252, 330261
  • Abstract:
    A bipolar rail-to-rail input stage includes complementary differential input pairs, and a switching circuit which makes one or the other of the input pairs active depending on the relationship between a transition threshold voltage V and the common mode input voltage V. A transition threshold voltage selection circuit provides a selectable one of at least two different V voltages to the switching circuit in response to a select signal. In one embodiment, the select signal has logic âhighâ, logic âlowâ, and âfloatingâ states. The transition threshold voltage selection circuit provides a first V voltage when the select signal is in a first state, a second V voltage when the select signal is in a second state, and disables the input stage when the select signal is in a third state.
  • Differentially Compensated Input Pair

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  • US Patent:
    8085093, Dec 27, 2011
  • Filed:
    Dec 2, 2009
  • Appl. No.:
    12/629294
  • Inventors:
    Nathan Carter - Santa Clara CA, US
    JoAnn Close - Los Altos CA, US
    Vikram Garg - San Jose CA, US
  • Assignee:
    Analog Devices, Inc. - Norwood MA
  • International Classification:
    H03F 3/45
  • US Classification:
    330259
  • Abstract:
    The invention is directed to an amplifier including an absolute value circuit. The absolute value circuit may be driven by differential potentials and may include a first pair of transistors modulating a tail current of the amplifier when a differential input voltage goes high, and a second pair of transistors modulating the tail current of the amplifier when a differential input voltage goes low.
  • High Output Current Operational Amplifier Output Stage

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  • US Patent:
    62626337, Jul 17, 2001
  • Filed:
    Apr 27, 2000
  • Appl. No.:
    9/560305
  • Inventors:
    JoAnn P. Close - Los Altos CA
  • Assignee:
    Analog Devices, Inc. - Norwood MA
  • International Classification:
    H03F 326
  • US Classification:
    330267
  • Abstract:
    A rail-to-rail op amp output stage is configured to provide one or more additional base drive paths for each of its output transistors, reducing the stage's distortion and increasing its maximum output current without substantially increasing quiescent current. The additional base drive paths reduce the demand on the transistors driving the output transistors, lowering the distortion they might otherwise contribute to the output current. In a preferred embodiment, the collectors of the stage's clamp transistors are connected to the bases of their opposing output transistors, so that each clamp transistor provides an additional base drive path to a respective output transistor, thereby increasing maximum output current without substantially increasing quiescent current, and substantially reducing crossover distortion.
  • Very Low Input Current Jfet Amplifier

    view source
  • US Patent:
    46396837, Jan 27, 1987
  • Filed:
    Feb 7, 1986
  • Appl. No.:
    6/827236
  • Inventors:
    Lewis W. Counts - Lexington MA
    JoAnn P. Close - Arlington MA
  • Assignee:
    Analog Devices, Incorporated - Norwood MA
  • International Classification:
    H03F 345
  • US Classification:
    330253
  • Abstract:
    A monolithic IC chip having a differential amplifier comprising a pair of JFETs with their top and back gates electrically isolated to provide a low-leakage-current input to the top gates. The amplifier includes independent bias circuitry for setting the potentials of the JFET back gates to a level close to that of the top gates. This circuitry includes resistive means coupled to the source electrodes of the input JFETs, and operable to establish a low-noise bias point for the back gates. The bias circuitry includes a reference current source comprising a pair of JFETs identical to the input JFETs and arranged to provide a gate-to-source voltage to match that of the input JFETs.

Resumes

Joann Close Photo 1

Design Manager

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Location:
1417 Fallen Leaf Ln, Los Altos, CA 94024
Industry:
Semiconductors
Work:
Analog Devices
Design Manager
Education:
Massachusetts Institute of Technology 1978 - 1982
Bachelors, Bachelor of Science In Electrical Engineering, Electrical Engineering
Skills:
Analog
Analog Circuit Design
Asic
Circuit Design
Cmos
Semiconductors
Mixed Signal
Integrated Circuits
Electronics
Name / Title
Company / Classification
Phones & Addresses
Joann P. Close
Managing
Recordare LLC
Internet Music Publishing
1417 Fallen Leaf Ln, Los Altos, CA 94024

Googleplus

Joann Close Photo 2

Joann Close

Youtube

Come Close - Jo Ann Gray - Joetry

Joetry :: Spoken word with an R&B twist blastmymusic.com soundstation....

  • Category:
    Music
  • Uploaded:
    29 Mar, 2010
  • Duration:
    3m 13s

Black Friday ~ Michael's JoAnn Haul ~ Cricut ...

Yes, I was a naughty girl and went a haulin' again and got some wonder...

  • Category:
    Howto & Style
  • Uploaded:
    01 Dec, 2010
  • Duration:
    11m 53s

Prophetic Worship [I Need You] (feat. Joann R...

An Anointed Worship Experience A sample of this beautiful compilation ...

  • Category:
    Music
  • Uploaded:
    30 Sep, 2010
  • Duration:
    8m 1s

More, more, more JoAnn Rosario.wmv

JoAnn Rosario: More, More, More

  • Category:
    Entertainment
  • Uploaded:
    23 Aug, 2010
  • Duration:
    6m 36s

Scrappy Haul from Joann, Aaron Brother's, and...

I had some exchanges to make, and here is what I picked up! TFL!

  • Category:
    Howto & Style
  • Uploaded:
    22 Mar, 2011
  • Duration:
    13m 25s

Pyramid Game show bonus Round #39 -- JoAnn W.

You get to see 2 playings of the winners circle/bonus round. JoAnn W. ...

  • Category:
    Entertainment
  • Uploaded:
    17 Sep, 2009
  • Duration:
    5m 26s

Toothless close up

So here it is! My toothless quadsuit about 80% completed, finished it ...

  • Category:
    Howto & Style
  • Uploaded:
    22 Feb, 2011
  • Duration:
    1m 2s

Serve You Only

For CLE Class! :) CAREER! We used the song "Serve You Only" by Joann R...

  • Category:
    Entertainment
  • Uploaded:
    31 Jan, 2008
  • Duration:
    3m 1s

Facebook

Joann Close Photo 3

Joann Close

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Friends:
Shelly Reid, Rita Gore, Troy Royalty, Marc Salzman, Joy Very, Jenny King
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JoAnn Close

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