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Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads
นักวิจัย : Chan, Pak Kwong , Chen, Y. C.
คำค้น : DRNTU::Engineering::Electrical and electronic engineering
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2546
อ้างอิง : Chan, P. K., & Chen, Y. C. (2003). Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads. IEEE Transactions on Circuits and Systems-II: Analog and Digital Signal Processing, 50(12), 933-941. , 1057-7130 , http://hdl.handle.net/10220/4680 , http://dx.doi.org/10.1109/TCSII.2003.820258
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : IEEE transactions on circuits and systems-II : analog and digital signal processing
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

An improved frequency compensation technique is presented in this paper. It is based on a cascade of a voltage amplifier and a transconductor to form a composite gain-enhanced feedforward stage in a two-stage amplifier so as to broaden the gain bandwidth via low-frequency pole–zero cancellation at heavy capacitive loads, but yet without increasing substantial power consumption. The technique has been confirmed by the experimental results. An operational amplifier has been designed to drive a capacitive load of 300 pF. The amplifier exhibits a dc gain of 87 dB, a gain bandwidth of 10.4 MHz at 63.7° phase margin, an average slew rate of 3.5V/µs, a compensation capacitor of only 6 pF while consuming 2.45 mW at a 3-V supply in a standard 0.6- µm CMOS technology.

บรรณานุกรม :
Chan, Pak Kwong , Chen, Y. C. . (2546). Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Chan, Pak Kwong , Chen, Y. C. . 2546. "Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Chan, Pak Kwong , Chen, Y. C. . "Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2546. Print.
Chan, Pak Kwong , Chen, Y. C. . Gain-enhanced feedforward path compensation technique for pole–zero cancellation at heavy capacitive loads. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2546.