Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2009.07a
- /
- Pages.1565_1566
- /
- 2009
Design of Low Frequency Noise Figure Improvement of RF Front End for Wireless Heartbeat Measurement System
무선 심박측정 시스템에 적용 가능한 저주파 잡음 특성 개선의 RF 전치부 설계 연구
- Choi, Jin-Kyu (School of Electrical and Electronics of Engineering Chung-ang University) ;
-
Paek, Hyun
(School of Electrical and Electronics of Engineering Chung-ang University)
;
- Kwon, So-Hyun (School of Electrical and Electronics of Engineering Chung-ang University) ;
-
Choi, Hyuk-Jae
(School of Electrical and Electronics of Engineering Chung-ang University)
;
- Kim, Jong-Ho (School of Electrical and Electronics of Engineering Chung-ang University) ;
- Shin, Jun-Yeong (School of Electrical and Electronics of Engineering Chung-ang University) ;
-
Kim, Hyeong-Seok
(School of Electrical and Electronics of Engineering Chung-ang University)
- 최진규 (중앙대학교 전자전기공학부) ;
-
백현
(중앙대학교 전자전기공학부)
;
- 권소현 (중앙대학교 전자전기공학부) ;
-
최혁재
(중앙대학교 전자전기공학부)
;
- 김종호 (중앙대학교 전자전기공학부) ;
- 신준영 (중앙대학교 전자전기공학부) ;
-
김형석
(중앙대학교 전자전기공학부)
- Published : 2009.07.14
Abstract
This paper presents the design and analysis of RF Front End for Wireless Heartbeat measurement System. In this work LNA, an inductor connected at the gate of the cascode transistor and capacitive cross-coupling are strategically combined to reduce the noise and the nonlinearity influences of the cascode transistors in a differential LNA. The Mixer is implemented by using the Gilbert-type configuration, cross pmos injection technique and the resonating technique for the tail capacitance. The resulting LNA achieves 1.26dB NF, better than 1.88dB NF Typical. Also Mixer resulting achieves 9.8dB at 100KHz.
Keywords