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Featured researches published by Tae-Hyeon Han.


ieee radio and wireless conference | 2001

A dual band SiGe MMIC LNA and mixer with ground shield for WCDMA and CDMA applications

Young-Gi Kim; Shin-Young Yoon; Hyuk Kim; Seung-Hee Yoo; Young-Gul Kim; Kyung-Sik Baek; Chang-Woo Kim; Deok-Ho Cho; Tae-Hyeon Han; Byoung-Ryul Ryum

A single chip 2.7 V dual band SiGe RF front end for 2140 MHz WCDMA and 882 MHz CDMA operation has been implemented by a standard SiGe bipolar process with an f/sub max/ of 50 GHz utilizing a ground shield layer structure upon low resistive silicon substrate. The LNAs are gain controllable single stage amplifiers with high linear characteristics. The mixer circuits are double balanced Gilbert (1997) type micro-mixers with differential IF buffer amplifiers.


Archive | 1997

Si/SiGe MOSFET and method for fabricating the same

Byung-Ryul Ryum; Soo-Min Lee; Deok-Ho Cho; Tae-Hyeon Han


Archive | 1997

Super self-aligned bipolar transistor

Byung-Ryul Ryum; Deok-Ho Cho; Tae-Hyeon Han; Soo-Min Lee; Kwang-Eui Pyun


Archive | 2001

Method of manufacturing bipolar device and structure thereof

Tae-Hyeon Han; Byung Ryul Ryum; Soo-Min Lee; Deok-Ho Cho


Archive | 2000

Method of manufacturing a bipolar device

Tae-Hyeon Han; Byung Ryul Ryum; Soo-Min Lee; Deok-Ho Cho


Archive | 2002

A process for producing a semiconductor device

Byung-Ryul Ryum; Tae-Hyeon Han; Soo-Min Lee; Deok-Ho Cho; Seong-Hearn Lee; Jin-Young Kang


Archive | 1996

Verfahren zur Herstellung eines Bipolartransistors mit Heteroübergang A process for producing a heterojunction bipolar junction

Deok-Ho Cho; Tae-Hyeon Han; Soo-Min Lee; Kwang-Eui Pyun; Byung-Ryul Ryum


Archive | 1994

A process for producing a bipolar transistor

Byung-Ryul Ryum; Tae-Hyeon Han; Deok-Ho Cho; Soo-Min Lee; Seong-Hearn Lee; Jin-Young Kang


Archive | 1994

Bipolar transistor fabrication with trench isolation

Byung-Ryul Ryum; Tae-Hyeon Han; Deok-Ho Cho; Soo-Min Lee; Seong-Hearn Lee; Jin-Young Kang


Archive | 1994

Verfahren zur Herstellung einer Halbleiterschaltung A process for producing a semiconductor circuit

Byung-Ryul Ryum; Tae-Hyeon Han; Soo-Min Lee; Deok-Ho Cho; Jin-Young Kang

Collaboration


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Deok-Ho Cho

Electronics and Telecommunications Research Institute

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Soo-Min Lee

Electronics and Telecommunications Research Institute

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Byung-Ryul Ryum

Electronics and Telecommunications Research Institute

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Jin-Young Kang

Electronics and Telecommunications Research Institute

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Seong-Hearn Lee

Electronics and Telecommunications Research Institute

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Byung Ryul Ryum

Electronics and Telecommunications Research Institute

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Kwang-Eui Pyun

Electronics and Telecommunications Research Institute

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Hyuk Kim

Kyung Hee University

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