CMOS电流跟随器电路

Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI:10.1109/TENCON.1999.818597

J. Parnklang, Witsarut Nanthanawanitch, W. Titiroongruang

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引用次数: 7

摘要

我们设计了电流跟随电路(CF)，用CMOS晶体管来代替双极晶体管电路。使用Spice程序进行的实验结果表明，该电路的输入和输出阻抗分别为5 k/spl Omega/和76 M/spl Omega/。此外，CF/sup +/和CF/sup -/电路的带宽可以在0 Hz ~ 4.1 MHz和0 Hz ~ 3.4 MHz的宽范围内使用，CF/sup +/和CF/sup -/的谐波失真小于4.06%和4.27%。我们还使用商用MOS晶体管4007来实现该电路，该晶体管由CMOS晶体管的双互补组成。实现电路的电特性与Spice程序的分析结果一致。

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CMOS current follower circuits

We design current follower circuits (CF) using the CMOS transistor to substitute for the bipolar transistor circuit. The experimental result which uses Spice program found that the input and output impedance of the circuit are 5 k/spl Omega/ and 76 M/spl Omega/ respectively. Moreover, the bandwidth of the circuit can be used in a wide range from 0 Hz to 4.1 MHz for CF/sup +/ and 0 Hz to 3.4 MHz and the harmonic distortion is less than 4.06% for CF/sup +/ and 4.27% for CF/sup -/. We also implement the circuit by using a commercial MOS transistor 4007, which consists of a dual complement of the CMOS transistor. The implemented circuits show that the electrical characteristics are the same as the analysis results from the Spice program.

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来源期刊

Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)

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