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A bipolar linear transconductor using translinear cells and its application

Title
A bipolar linear transconductor using translinear cells and its application
Author
김희준
Keywords
linear transconductor; transconductance amplifier; grounded inductor; IF bandpass filter
Issue Date
2006-11
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Citation
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v. E89A, No. 11, Page. 3341-3343
Abstract
A novel linear transconductor using translinear cells is proposed. It consists of a voltage follower, a resistor, and a current follower. SPICE simulations using an 8 GHz bipolar transistor-array parameter show that the linear transconductor with a transconductance of 1 mS exhibits a linearity error of less than +/- 0.75% over an input voltage range of +/- 1 V for a supply voltage of +/- 2.0 V. The temperature coefficient of the transconductance is less than 124ppm/degrees C. The -3-dB frequency of the transconductance is more than 4.5 GHz. Applying the linear transconductor as a building block, the design of a bandpass filter with center frequency of 85 MHz and Q-factor of 80 is presented.
URI
https://search.ieice.org/bin/summary.php?id=e89-a_11_3341http://repository.hanyang.ac.kr/handle/20.500.11754/108854
ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.11.3341
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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