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Dive into the research topics where Tobin Hagan is active.

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Featured researches published by Tobin Hagan.


european solid-state circuits conference | 2003

An ADSL integrated active hybrid circuit

J. Hellums; Richard K. Hester; Marco Corsi; Tobin Hagan; R. Halbach

A fully integrated active hybrid, fabricated in 16V oxide-isolated complementary BiCMOS, performs 2-wire to 4-wire conversion. Hybrid rejection >25dB is achieved across the entire ADSL band is < 7minus;136dBm/Hz referred to the loop terminals. Hybrid area is 4.24mm/sup 2/ and consumes <63mW.


international solid-state circuits conference | 2003

A 610mW zero-overhead class G full-rate ADSL central-office line driver

Kenneth George Maclean; Marco Corsi; Richard K. Hester; James D. Quarfoot; Peter J. Melsa; Robert Halbach; Carmen Kozak; Tobin Hagan

A full-rate ADSL central-office line driver consumes 610mW through active termination and a zero-overhead class G technique. The supply switching scheme features very low overhead voltage, logic control, and controlled supply-rail ramp rate, and requires analog signal-peak prediction to be performed on the digital data stream.


Archive | 2003

Bias system and method

Kenneth George Maclean; Suribhotla Venkata Rajasekhar; David J. Baldwin; Marco Corsi; Tobin Hagan


Archive | 2001

Drive method for a cross-connected class AB output stage with shared base current in pre-driver

Neil Gibson; Marco Corsi; Tobin Hagan


Archive | 2011

DEAD TIME MODULATION TECHNIQUE FOR THE IMPROVEMENT OF POWER CONVERSION EFFICIENCY

Tobin Hagan


Archive | 2003

Low noise transceiver

Kenneth George Maclean; Tobin Hagan; David J. Baldwin


Archive | 2013

DIODE FOR USE IN A SWITCHED MODE POWER SUPPLY

Tobin Hagan; Marco Corsi; David Louis Freeman


Archive | 2011

METHOD AND APPARATUS TO MEASURE LIGHT INTENSITY

Tobin Hagan; David Louis Freeman; Marco Corsi


Archive | 2005

System and method for regulating bridge voltage in a discontinuous-time hot-wire anemometer

Tobin Hagan; David J. Baldwin; William E. Grose


Archive | 2004

METHOD OF REGULATING RESISTANCE IN A DISCONTINUOUS TIME HOT-WIRE ANEMOMETER

Tobin Hagan; David J. Baldwin; William E. Grose

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