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Paul M Astrachan

from Austin, TX
Age ~68
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Also known as:
Paul Morris Astrachan
Phone and address:
804 Crystal Mountain Dr, Austin, TX 78733
(512) 263-3410
Related to:
Eric S Astrachan, 69Sarah Astrachan, 77Myrtle A AstrachanLazarus AstrachanConnie Lynn Astrachan, 61Jennifer L Astrachan, 31Kristin N Astrachan, 29Takiyah Mashana Taylor, 51Ora D Taylor, 72Grigid M Astrachan, 65Nathan G Punke, 51Mabel Punke
Connected to:
Etta C Astrachan, 82Michael A Astrack, 41Ross M Astrachan, 120Liz Astraga, 39Kathy N Astrahantseff, 59Karen M Astram, 67Jennifer A Astramowicz, 57Justin Astran, 44Rene B Astran, 67Elizabeth N Astras, 46

Paul Astrachan Phones & Addresses

  • 804 Crystal Mountain Dr, Austin, TX 78733 (512) 263-3410
  • Edgar, WI
  • Cleveland, OH
  • 804 Crystal Mountain Dr, Austin, TX 78733 (512) 677-1055

Work

Company: Vixs systems inc. May 2001 Position: Director of engineering

Education

Degree: BSEE School / High School: Bradley University 1980 to 1983 Specialities: Engineering

Skills

Asic • Soc • Embedded Systems • Semiconductors • Ic • Mixed Signal • Analog

Industries

Design

Resumes

Resumes

Paul Astrachan Photo 1

Senior Digital Design Engineer

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Location:
Austin, TX
Industry:
Design
Work:
ViXS Systems Inc. since May 2001
Director of engineering
SigmaTel 1998 - 2001
Director
Motorola Semiconductor 1990 - 1997
Systems design
Honeywell 1983 - 1989
Engineer
Education:
Bradley University 1980 - 1983
BSEE, Engineering
Skills:
Asic
Soc
Embedded Systems
Semiconductors
Ic
Mixed Signal
Analog

Publications

Us Patents

Fast Signal Detection Process

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US Patent:
7072632, Jul 4, 2006
Filed:
Oct 10, 2003
Appl. No.:
10/683955
Inventors:
Paul Morris Astrachan - Austin TX, US
Assignee:
VIXS, Inc. - Toronto
International Classification:
H04B 17/00
US Classification:
4552262, 4552321, 455 6711
Abstract:
A valid signal may be detected by initializing gain settings of the receiver section. The processing then continues by measuring received signal strength of a signal received by the receiver section to produce a 1received signal strength indication (RSSI). The processing continues by adjusting the gain setting of the receiver section such that the 1received signal strength indication is a predetermined offset less than a signal strength threshold. The process then continues by measuring the received signal strength of the gain adjusted representation of the signal to produce a 2received signal strength indication. The processing continues by appending a 2offset to the 2received signal strength value to produce an adjusted received signal strength indication value when the 2received signal strength value drifts from the signal strength threshold less the predetermined offset. The processing continues by measuring the received signal strength of received signals and appending the offset until a possible valid signal is detected. When the possible valid signal is detected, the gain of the receiver is adjusted based on its dynamic range.

System For Providing Data To Multiple Devices And Method Thereof

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US Patent:
7106715, Sep 12, 2006
Filed:
Nov 16, 2001
Appl. No.:
09/990896
Inventors:
James Robert Kelton - Austin TX, US
Michael David Cave - Pflugerville TX, US
Michael R. May - Austin TX, US
Paul Morris Astrachan - Austin TX, US
Anselmo Pilla - Newmarket, CA
James Doyle - Toronto, CA
Shawn Saleem - Toronto, CA
Mathew A. Rybicki - Austin TX, US
Assignee:
ViXS Systems, Inc. - Toronto
International Classification:
H04Q 7/24
H04Q 7/20
H04L 12/26
US Classification:
370338, 370252, 455522
Abstract:
A system is provided for transmitting data to a plurality of devices. A data source receives data from a video broadcasting source, such as a digital television provides, through a data cable. The data source identifies devices to receive particular sets of data, such as particular programs, from the data cable. The data source identifies particular settings for transmitting to particular devices. The data source adjusts a transmission power to a first device to efficiently provide data reliably to the first device. The data source can assign more or less power for transmitting data to the first device. The data source provides data to the source device using a first data channel. The data source provides data to a second device using a second data channel. The data source receives acknowledgements and control information from the first device and the second device using the second data channel.

Method And Apparatus For Adjusting Symbol Timing And/Or Symbol Positioning Of A Receive Burst Of Data Within A Radio Receiver

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US Patent:
7116731, Oct 3, 2006
Filed:
Jun 3, 2002
Appl. No.:
10/161526
Inventors:
Paul M Astrachan - Austin TX, US
Assignee:
VIXS, Inc. - Toronto
International Classification:
H04L 27/14
US Classification:
375326, 375344
Abstract:
A method and apparatus for adjusting symbol timing and/or symbol interval range of a receive burst of data within a radio receiver include processing that begins by receiving a radio frequency signal that includes bursts of data. The process then continues by determining a frequency offset for the burst of data based on a difference between the transmitter processing rate and a receiver processing rate. The processing then continues by determining a symbol timing offset and/or a symbol interval range offset based on the frequency offset. The process then proceeds by adjusting the initial symbol positioning and/or the symbol interval range offset of a burst of data based on the symbol timing offset.

Method And Apparatus For Accurately Detecting Presence Of A Valid Signal

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US Patent:
7170955, Jan 30, 2007
Filed:
Mar 21, 2002
Appl. No.:
10/103325
Inventors:
Paul Astrachan - Austin TX, US
Assignee:
VIXS Systems, Inc. - Toronto
International Classification:
H03D 1/00
US Classification:
375343, 375340
Abstract:
A method and apparatus for accurately detecting the presence of a valid signal includes processing that begins by determining the energy level of an input signal in real time to produce a real time energy level. The processing then continues by delaying the input by a period of the valid signal to produce a delayed input. The processing then continues by correlating the input with the delayed input to produce a correlated input. The processing continues by determining the energy of the correlated input to produce a correlated energy level. The processing then continues by comparing the correlated energy level with the real time energy level to produce a probability that the input is a valid signal. The processing then continues by generating a valid signal probability indication based on the probability that the input is a valid signal.

Correlation Module For Use In A Radio Receiver

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US Patent:
7280588, Oct 9, 2007
Filed:
Dec 19, 2003
Appl. No.:
10/742499
Inventors:
James C. Lynch - Austin TX, US
Paul Morris Astrachan - Austin TX, US
Assignee:
ViXS Systems Inc. - Toronto, Ontario
International Classification:
H04B 1/69
H03D 1/00
US Classification:
375150, 375343
Abstract:
A correlation module includes a plurality of first functional modules, a plurality of second functional modules, a plurality of function adjust modules, a summation module, a correlation value register, and a correlation evaluation module. The plurality of first functional modules is operably coupled to perform a first function upon a first corresponding pipelined data element to produce a first corresponding value. The plurality of second functional modules is operably coupled to perform a second function upon a second corresponding pipelined data element to produce a second corresponding value. The plurality of function adjust modules is operably coupled to selected ones of the plurality of first functional modules and to selected ones of the plurality of second functional modules. The summation module is operably coupled to sum the plurality of first corresponding values, the plurality of second corresponding values, and a previous correlation value to produce a current correlation value. The correlation evaluation module is operably coupled to compare the current correlation value with a correlation threshold to determine whether current pipelined data correlates with the expected pattern of the training sequence.

System And Method For Adaptive Dc Offset Compensation In Wireless Transmissions

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US Patent:
7400869, Jul 15, 2008
Filed:
Mar 22, 2005
Appl. No.:
11/086869
Inventors:
Paul M. Astrachan - Austin TX, US
Assignee:
ViXS Systems Inc. - Toronto, Ontario
International Classification:
H04B 1/06
H04B 1/26
US Classification:
4552401, 455296
Abstract:
A first direct current (DC) component of a first amplified representation of a received signal at an output of an amplifier set to a first gain setting is determined during a first expected idle period of a received signal. A second DC component of a second amplified representation of the received signal at the output of the amplifier set to the first gain setting is determined during a second expected idle period of the received signal. A first average DC component is determined based at least in part on the first and second DC components and a DC offset used by the amplifier when set to the first gain setting is adjusted based on a comparison of the first average DC component to one or more threshold values.

Method And Apparatus For Accurately Detecting Validity Of A Received Signal

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US Patent:
7466775, Dec 16, 2008
Filed:
Oct 10, 2003
Appl. No.:
10/683062
Inventors:
Paul Morris Astrachan - Austin TX, US
Assignee:
ViXS Systems, Inc - Toronto, Ontario
International Classification:
H03D 1/00
US Classification:
375343
Abstract:
A method for detecting validity of a received signal begins by performing an auto-correlation on the received signal to produce an auto-correlation resultant. The process continues by performing a cross-correlation on the receive signal with a reference signal to produce a cross-correlation resultant. The process then continues by mathematically relating the auto-correlation resultant with the cross-correlation resultant to produce a mathematical correlation relationship. The process then proceeds by interpreting the mathematical correlation relationship to indicate whether the receive signal is valid or not.

Error Checking Using A Field Of A Frame

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US Patent:
7725807, May 25, 2010
Filed:
Jan 23, 2006
Appl. No.:
11/337333
Inventors:
Bradley Arthur Wallace - Austin TX, US
Paul Morris Astrachan - Austin TX, US
Assignee:
VIXS Systems, Inc. - Toronto, Ontario
International Classification:
H03M 13/00
US Classification:
714776, 714777, 714795, 714 21, 369 3021
Abstract:
A method for field error checking begins by decoding a predetermined pattern of a field of a frame to produce a decoded pattern. The method continues by determining, for the decoded pattern, a path metric distance of a predetermined state of a plurality of states of the decoding. The method continues by comparing the path metric distance with an excepted path metric distance for the predetermined state. The method continues by indicating a field error when the path metric distance compares unfavorably with the excepted path metric distance.
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Paul M Astrachan from Austin, TX, age ~68 Get Report