53. Shinil Chang and Hyunchol Shin, 
      "2.4-GHz CMOS Bluetooth RF Receiver With Improved IM2 Distortion Tolerance"
      IEEE Tran. on Microwave Theory and Techniques, vol. 68, no. 11, pp. 4589-4598, Nov. 2020

52. Jungah Kim, Yongho Lee, Shinil Chang and Hyunchol Shin, 
      Electronics, vol. 9, no. 3, article no. 494, pp. 1-11, Mar. 2020

51. Soyeon Kim, Seongjo Yoon, Yongho Lee and Hyunchol Shin, A Miniaturized Butler Matrix Based
      Electronics, vol. 8, no. 11, article no. 1232, pp. 1-11, Nov. 2019

50. Hyunchol Shin and Hyukjun Oh, 
      J. of Electromagnetic Engineering and Science, vol. 19, no. 4, pp. 227-233, Oct. 2019

49. Soyeon Kim and Hyunchol Shin, 
      J. of Electromagnetic Engineering and Sciencevol.19, no.2, pp.101-106, Apr. 2019

48. Yongho Lee, Shinil Chang, Jaegyeong Choi, Mihye Moon, Seungsoo Kim and Hyunchol Shin, 
     J. of Semiconductor Technology and Sciencevol.18, no.6, pp.748-754, Dec. 2018

47. Yongho Lee, Seungsoo Kim, and Hyunchol Shin,
     J. of Semiconductor Technology and Sciencevol.18, no.6, pp.730-736, Dec. 2018

46. Yongho Lee, Seungsoo Kim, and Hyunchol Shin, 
       J. of Semiconductor Technology and Sciencevol.18, no.6, pp.723-729, Dec. 2018

45. Seunghyeon Kim, Jihoon Sohn, and Hyunchol Shin, 
      IEEE Tran. on Circuits and Systems-II: Express Briefs, vol. 64, no. 11, pp. 1297-1301, Nov. 2017

44. Jihoon Sohn and Hyunchol Shin, Initial Frequency Preset Technique for Fast Locking Fractional-N
     PLL Synthesizers,” J. of Semiconductor Technology and Sciencevol.17, no.4, pp.534-542, Aug. 2017

43. G. Noh, H. Wang, C. Shin, S. Kim, Y. Jeon, H. Shin, J. Kim, and I. Kim, 
         IEEE Communications Magazinevol.55, no.3, pp.188-195, Mar. 2017

42. Jihoon Sohn and Hyunchol Shin, A CMOS Charge Pump Circuit with Short Turn-on Time for Low-spur
     PLL Synthesizers,” J. of Semiconductor Technology and Sciencevol.16, no.6, pp.873-879, Dec. 2016

41. Hyunchol Shin, Jongsik Kim, and Namsoo Kim, Source Degenerated Derivative Superposition Method for            
     Linearizing RF FET Differential Amplifiers,” IEEE Tran.  on Microwave  Theory and Techniques, 
     vol.63, no.3, pp.1026-1035, Mar. 2015

40. Jin-Sup Kim, Se-Hwan Choi, and Hyunchol Shin, A CMOS Transceiver for Implantable Cardioverter                    
       Telemetry Service,” Microwave and Optical Technology Letters, vol. 56, no. 11, pp. 2580-2582, Nov. 2014

39. Hyeongyeol Park, and Hyunchol Shin, A 3.8 MHz CMOS Wien-bridge oscillator with differential                          
      capacitive automatic amplitude control," IEICE Electronics Express, vol. 11, no. 17, pp. 1-5, Sep. 2014

38. Jin-Sup Kim, Kyu-Bok Lee, and Hyunchol Shin, A Wide-Stopband Bandpass Filter using <λ/16 
      Capacitive-Coupled Short-Circuited Resonators In Wide-Gap Coplanar Waveguide Structure,”
     Microwave and Optical Technology Letters, vol. 55, no. 8, pp. 1752-1755, Aug. 2013

37. Hyun Kim and Hyunchol Shin, A 2.4-GHz current-reuse OOK wake-up receiver for MICS applications,” 
     IEICE Electronics Express, vol. 10, no. 14,  pp. 1-4, Jul. 2013

36. Jongsik Kim and Hyunchol Shin, A current-reuse MICS band CMOS RF transmitter for implantable                      
      cardioverter telemetry system,” IEICE Electronics Express, vol. 10, no. 12,  pp. 1-4, Jun. 2013

35. Hyunchol Shin, A 1-V TSPC Dual Modulus Prescaler with Speed Scalability Using Forward Body Biasing              
       in 0.18 μm CMOS,” IEICE Transactions on Electronics, vol. E95-C, no. 5, pp. 1121-1124, Jun. 2012
       Sensor Node Applications,” IEICE Transactions on Electronics, vol. E95-C, no. 5, pp. 968-971, May 2012

33. Jaewook Shin and Hyunchol Shin, A 1.9-3.8 GHz ΣΔ Fractional-N PLL Frequency Synthesizer with Fast                
      Auto-Calibration of Loop Bandwidth and VCO Frequency,” IEEE Journal of Solid-State Circuits, vol. 47, no. 3, 
     pp. 665-675, Mar. 2012

32. Jin-Sup Kim, Kyu-Bok Lee, Jae-Young Lee, Ho-Jun Lee, and Hyunchol Shin, A 2.4-GHz Bandpass Filter for          
      Flexible RF Applications,” Microwave and Optical Technology Letters, vol. 54, no. 2,  pp. 384-387,Feb. 2012

31. Jaewook Shin and Hyunchol Shin, “Design Considerations for Auto-Calibrations of Wide-Band ΣΔ Fractional-N      
       PLL Synthesizers,” Journal of Electrical and Computer Engineering, vol. 2011, Article ID 139183, pp.1-9, Sep. 2011

30. Jin-sup Kim, Kyu-bok Lee, Jae-young, and Hyunchol Shin, A Broadband Suspended Substrate Stripline Filter     
     Microwave and Optical Technology Letters, vol. 53, no. 7, pp. 1626-1629, Jul. 2011

29. Seunghyeon Kim, Hyun Kim, Jongsik Kim, and Hyunchol Shin, “A 2.4-GHz 22-Mbps CMOS OOK Transmitter           
      for Wireless Body Area Network,” IEICE Electronics Express, vol. 8, no. 11,  pp. 825-829, Jun. 2011

28. Jongsik Kim and Hyunchol Shin, A CMOS RF Tunable Filter for TV White Space Transmitter Applications,”
     IEICE Electronics Express, vol. 8, no. 10,  pp. 742-747, May 2011

27.Jongsik Kim, Seung Jun Lee, Seungsoo Kim, Jong Ok Ha, Yun Seong Eo, and Hyunchol Shin,
      "A 54-862-MHz CMOS Transceiver for TV-Band White-Space Device Application,”
      IEEE Transactions on Microwave Theory and Techniques,  vol. 59, no. 4,  pp. 966-977, Apr. 2011

26. Jaewook Shin and Hyunchol Shin, A Fast and High-Precision VCO Frequency Calibration Technique for               
      Wideband Delta-Sigma Fractional-N Frequency Synthesizers," IEEE Tran. Circuits and Systems-I: Regular
     Papers, vol. 57,  no. 7,  pp. 1573-1582, Jul. 2010

25. Jaewook Shin and Hyunchol Shin, A CMOS High-Speed Pulse Swallow Frequency Divider for ΔΣ Fractional-N     
      PLL’s,” IEICE Electronics Express, vol. 7, no. 12, pp. 856-860, Jun. 2010

24. Hyunchol Shin and Youngcho Kim, A CMOS Active-RC Low Pass Filter with Simultaneously Tunable                    
      High-and Low-Cutoff Frequencies for IEEE 802.22 Applications,” IEEE Tran. Circuits and Systems-II:
     Express Briefs, vol. 57, no. 2, pp. 85-89, Feb. 2010

23. Seungsoo Kim and Hyunchol Shin, "An E-TSPC Divide-by-2 Circuit With Forward Body Biasing in 0.25um              
      CMOS," IEEE Microwave and Wireless Components Letters, vol. 19, no. 10, pp. 656-658, Oct. 2009

22. Sangwon Han, Jongsik Kim, Kwang-Ho Won, and Hyunchol Shin, "A Low Noise CMOS Low Dropout Regulator         
      with an Area-Efficient Bandgap Reference," IEICE Transactions on Electronics, vol. E92-C, no. 5, pp. 740-742, 
     May 2009

21. Seungsoo Kim and Hyunchol Shin, "A 0.6-2.7GHz Semidynamic Frequency Divide-by-3 Utilizing Wideband            
      RC Polyphase Filter in 0.18um CMOS," IEEE Microwave and Wireless Components Letters, vol. 18, no. 10,   
     pp. 701-703, Oct. 2008

20. Shinil Chang and Hyunchol Shin, A Compact Circuit Model of Five-Port Transformer Balun for CMOS                  
       RF Integrated Circuits,” IEICE Transactions on Electronics, vol. E91-C, no. 10, pp. 1709-1712, Oct. 2008

19. Shinil Chang, Jubong Park, Kwang-Ho Won, and Hyunchol Shin, Design of a 2.4-GHz Fully Differential 
     Journal of Semiconductor Technology and Science, vol. 8, no. 2, pp. 143-149, Jun. 2008

18. Jongsik Kim, Jaewook Shin, Seungsoo Kim, and Hyunchol Shin, A Wideband CMOS LC VCO with Linearized    
       Coarse Tuning Characteristics,” IEEE Transactions on Circuits and Systems-II, vol. 55, no. 5, pp. 399-403, 
     May 2008

17. Hyunchol Shin, Fast Estimation of Spectral Spreading in GSM Offset PLL Transmitters Based on Folding              
       Effects Analysis in Quadrature Phase Modulator,” IEEE Transactions on Microwave Theory and  Techniques, 
     vol. 56, no. 2, pp. 320-327, Feb. 2008

16. Jaewook Shin, Jongsik Kim, Seungsoo Kim, and Hyunchol Shin, "A Delta-Sigma Fractional-N Frequency              
      Synthesizer for Quad-Band Multi-Standard Mobile Broadcasting Tuners in 0.18um CMOS,”
     Journal of Semiconductor Technology and Science, vol. 7, no. 4, pp. 267-273, Dec. 2007

15. Hyunchol Shin  and Hyun Kim, Extraction  Technique  of  Differential  Second  Harmonic  Output  in  CMOS        
       LC VCO,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 5, pp. 379-381, May 2007

14. Hyunchol Shin and Bokyeon Won, A 4.5 to 9.2-GHz Wideband Semi-Dynamic Frequency Divide-by-1.5              
       in GaInP/GaAs HBT,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 1, pp. 73-75, Jan. 2007

13. Hyunchol Shin and Jongsik Kim, “A 17-GHz Push-Push VCO Based on Output Extraction from a Capacitive            
      Common-Node in GaInP/GaAs HBT Technology," IEEE Transactions on Microwave Theory and Techniques, 
     vol. 54, no. 11, pp. 3857-3863, Nov. 2006

12. J. Lee, H. Shin, C.H. Park, N.Y. Kim, “A Low Power Ku-band Downconverter in InGaP/GaAs HBT Technology,”
     IEEE Microwave and Wireless Components Letters, vol. 15, no.4, pp. 193-195, Apr. 2005

11. H. Shin, H. Ju, M.F. Chang, K. Nellis, P. Zampardi, "An Output VSWR Protection Circuit Using 
     IEICE Tran. Electronics, vol. E87-C, no.9, Sep. 2004

10. Hyunchol Shin, Zhiwei  Xu, M. Frank Chang, A 1.8-V 6/9-GHz Reconfigurable Dual-Band Quadrature LC VCO
    in SiGe BiCMOS Technology,” IEEE Journal of Solid-State Circuits, vol.38, no.6, pp. 1028-1032, Jun. 2003
     emitter dimensions and extrinsic parasitics in HBT,” Solid-State Electronics, vol. 47/4, pp. 747-749, Feb. 2003

8. Hyunchol Shin, Zhiwei Xu, K. Miyashiro, M. Frank Chang, Estimation of Signal-to-Noise Ratio in                      
     RF-Interconnect,” Electronics Letters, Vol. 38, No. 25, pp. 1666-1667, Dec. 2002

7. Hyunchol Shin, M. Frank Chang, 1.1-Gb/s RF-Interconnect based on 10-GHz RF-Modulation in 0.18um CMOS,”
    Electronics Letters, Vol. 38, No. 2, pp. 71-72, Jan. 2002

6. M. Frank Chang, V. Roychowdhury, Liyang Zhang, Hyunchol Shin, Yongxi Qian, "RF/Wireless Interconnect for      
    Inter- and Intra-chip Communications,” Proceedings of the IEEE, vol. 89, no. 4, pp. 456-466, Apr. 2001

5.Hyunchol Shin, Woo-Seung Choo, Kyung-Suc Nah, Dong-Jin Keum, Jin-Sub Choi, Seung-Beom Baik,
    Tae-Won Ahn, Il-Young Sohn, Duck-Young Jung, Byeong-Ha Park, Intermediate-Frequency/Baseband Analog       
    Processing Chipset For a CDMA/AMPS Mobile Handset,” Journal of the Korean Physical Society (SCI), 
    vol. 39, no. 1, pp. 160-164, Jul. 2001

4. Hyunchol Shin, Helmut Leier, Young-Se Kwon, Emitter Size Effects on DC Current Gain and RF Performance in     
    InP/InGaAs HBT's,” Journal of the Korean Physical Society (SCI), vol. 35,pp. S1051-S1054, Oct. 1999.39. 

3. Hyunchol Shin, Christoph Gaessler, and Helmut Leier, “Reduction of Base-Collector Capacitance 
    in InP/InGaAs HBT's using Double Polyimide Planarization,” 
    IEEE Electron Device Letters, vol. 19, no. 8, pp. 297-299, 1998

2. Hyunchol Shin and Young-Se Kwon, Formation of macroscopic steps during selective area metalorganic            
    chemical vapor deposition on GaAs (001) vicinal substrates,” Journal of Crystal Growth,177, pp. 33-40, 1997

1. Hyunchol Shin, Jeong-Hwan Son, and Young-Se Kwon, Monolithic Integration of AlGaAs/GaAs HBT and              
    GaAs Junction-gate Floated Electron Channel Field Effect Transistor,” IEEE Microwave and Guided
   Wave Letters, vol.6, no.9, pp. 317-319, Sep. 1996