지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 321 - 328 (8page)
이용수
초록· 키워드
오류제보하기
In this paper, variable gain amplifier(VGA) with a gain slope controller has been proposed and verified by circuit simulations and measurements. The proposed VGA has a gain control, gain slope switch and variable gain range. The input source coupled pair with diode connected load is used for VGA gain stage. The gain slope controller with switch can control VGA gain slope. The proposed VGA is fabricated in 0.18 ㎛ CMOS process for multi-standard wireless receiver. The proposed two stage VGA consumes min. 2.0 mW to max. 2.6 mW in gain control range and gives input IP3 of -3.77 dBm and NF of 28.7 dB at 1.8 V power supply under -25 dBm, 1 MHz input. The proposed VGA has 37 dB(-16 dB ∼ 21 dB) variable gain range, and 8 dB gain range control per 0.3 V control voltage, and can provide variable gain, positive and negative gain slope control, and gain range control. This VGA characteristics provide design flexibility in multi-standard wireless receiver.
목차
등록된 정보가 없습니다.
참고문헌 (11)
참고문헌 신청
C.C. Chang / 2001 / CMOS current-mode exponential-control variable-gain amplifier / Electronics Letters 37 (14) : 868 ~
J.H. Kim / 2006 / A CMOS variable gain amplifier with wide dynamic range and accurate dB-linear characteristic / in Proc. ICACT 2006 : 831 ~
J.K. Kwon / 2003 / Wideband high dynamic range CMOS variable gain amplifier for low voltage and low power wireless applications / Electronics Letters 39 (10) : 759 ~
L. Leung / 1996 / 10-MHz 60-dB Dynamic-Range 6-dB Variable Gain Amplifier / 박사 / Electrical and Electronic Engineering of Hong Kong University
M.M. Green / 2000 / A 1.5-V CMOS VGA based on pseudo differential structures / in Proc. IEEE ISCAS 2000 : 461 ~
J.H. Kim / 2006 / A CMOS variable gain amplifier with wide dynamic range and accurate dB-linear characteristic / in Proc. ICACT 2006 : 831 ~
J.K. Kwon / 2003 / Wideband high dynamic range CMOS variable gain amplifier for low voltage and low power wireless applications / Electronics Letters 39 (10) : 759 ~
L. Leung / 1996 / 10-MHz 60-dB Dynamic-Range 6-dB Variable Gain Amplifier / 박사 / Electrical and Electronic Engineering of Hong Kong University
M.M. Green / 2000 / A 1.5-V CMOS VGA based on pseudo differential structures / in Proc. IEEE ISCAS 2000 : 461 ~
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