Electronically Tunable Fractional Order All Pass Filter

被引：7
|
作者：
Verma, Rakesh [1 ]
Pandey, Neeta [1 ]
Pandey, Rajeshwari [1 ]
机构：
[1] Delhi Technol Univ Delhi, Dept Elect & Commun Engn, Delhi, India
来源：
INTERNATIONAL CONFERENCE ON MATERIALS, ALLOYS AND EXPERIMENTAL MECHANICS (ICMAEM-2017) | 2017年 / 225卷
关键词：
All pass filter; fractional order element; fractional order filter; OTA; GROUNDED-CAPACITOR; 1ST-ORDER ALLPASS; SECTIONS; RESISTORLESS; REALIZATION; CONVEYOR; NUMBER;
D O I：
10.1088/1757-899X/225/1/012229
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, an electronically tunable fractional order all pass filter (FOAPF) based on operational transconductance amplifier (OTA) is presented. It uses two OTAs and single fractional order capacitor (FC) of non-integer order a to provide FOAPF of alpha order. Two different values of alpha, in particular 0.5 and 0.9, for FC are taken for investigation. The functionality of the proposal is verified through SPICE simulations using TSMC 0.18 mu m Complementary Metal Oxide Semiconductor (CMOS) process parameters. Simulated and theoretical frequency and time domain responses are found to be in close agreement.
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页数：9
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