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Search : "[ author: Chang-woo Kim ]" (10)

A CMOS Band-Pass Delta Sigma Modulator and Power Amplifier for Class-S Amplifier Applications

Yong-hwan Lee Min-woo Kim Chang-woo Kim
Vol. 40, No. 1, pp. 9-15, Jan. 2015

Design and Implementation of an L-Band Single-Sideband Mixer with CMOS Switches and C-Band CMOS QVCO

Jung-woo Lee Nam-yoon Kim Chang-woo Kim
Vol. 39, No. 12, pp. 691-698, Dec. 2014

A Cancellation Technique of TX Leakage Signal for Emhanced Readability in UHF-band RFID Readers

Eui-ho Noh Jong-hyuk Lee Nam-yoon Kim Chang-woo Kim
Vol. 36, No. 5, pp. 543-550, May 2011

Design of Dumbbell-type CPW Transmission Lines in Optoelectric Circuit PCBs for Improving Return Loss

Jong-hyuk Lee Hwekyung Kim Young-Min Im Seung-Ho Jang Chang-woo Kim

Vol. 35, No. 4, pp. 408-416, Apr. 2010

A Study on a Linearity Improvement in X-band SiGe HBT Double-Balanced Frequency Up-converters Using an Emitter Degeneration

Kyu-Sung Chae Chang-Woo Kim
Vol. 33, No. 1, pp. 85-90, Jan. 2008

Design & Fabrication of a Broadband SiGe HBT Variable Gain Amplifier using a Feedforward Configuration

Kyu-Sung Chae Chang-Woo Kim
Vol. 32, No. 5, pp. 497-502, May 2007

A SiGe HBT Variable Gain Driver Amplifier for 5-GHz Applications

Kyu-Sung Chae Chang-Woo Kim
Vol. 31, No. 3, pp. 356-359, Mar. 2006

Fabrication of RFID Reader RF Transceiver for 900 MHz Bandwidth

Bo-Joon Kim Chang-Woo Kim Nam Yoon Kim Young-Gi Kim
Vol. 31, No. 1, pp. 58-64, Jan. 2006

Design & Fabrication of an InGaP/GaAs HBT MMIC Power Amplifier for IMT-2000 Handsets

Kyu-Sung Chae Sung-Il Kim Kyong-Ho Lee Chang-Woo Kim
Vol. 28, No. 11, pp. 902-911, Nov. 2003

Design and Fablication of a HBT Power Amplifier for Quasi Millimeter-wave Broadband Wireless Local Loop Applications

Chang-Woo Kim Kyu-Sung Chae
Vol. 27, No. 3, pp. 234-240, Mar. 2002