A micropower fourth-order elliptical switched-capacitor low-pass filter

1987 ◽  
Vol 22 (2) ◽  
pp. 164-173 ◽  
Author(s):  
K.A.I. Halonen ◽  
W.M.C. Sansen ◽  
M. Steyaert
Keyword(s):  
Fourth Order ◽  
Switched Capacitor ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Low Pass

Design and Simulation of Switched Capacitor Filter for Speed Change Parameter Converter

2013 ◽  
Vol 562-565 ◽  
pp. 1132-1136
Author(s):  
Xiao Wei Liu ◽  
Jian Yang ◽  
Song Chen ◽  
Liang Liu ◽  
Rui Zhang ◽  
...  
Keyword(s):  
Stop Band ◽  
Cutoff Frequency ◽  
Rapid Change ◽  
Pass Band ◽  
Cmos Process ◽  
Switched Capacitor ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Low Pass ◽  
The Time Domain

In this paper, we design a high-order switched capacitor filter for rapid change parameter converter. This design uses a structure which consists of three biquads filter sub-units. The design is a 6th-order SC elliptic low-pass filter, and the sample frequency is 250 kHz. By the MATLAB Simulink simulation, the system can meet the design requirements in the time domain. In this paper, the 6th-order switched capacitor elliptic low-pass filter was implemented under 0.5 um CMOS process and simulated in Cadence. The final simulation results show that the pass-band cutoff frequency is 10 kHz, and the maximum pass-band ripple is about 0.106 dB. The stop-band cutoff frequency is 20 kHz, and the minimum stop-band attenuation is 74.78 dB.

A Low Power Low-Pass Fourth-Order Filter for WiMAX/LTE Receiver in CMOS 45nm Technology

2016 ◽  
Vol 26 (03) ◽  
pp. 1750048 ◽  
Author(s):  
Vida Orduee Niar ◽  
Gholamreza Zare Fatin
Keyword(s):  
Low Power ◽  
Fourth Order ◽  
Supply Voltage ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Power Filter ◽  
Order Filter ◽  
Source Follower ◽  
Low Pass ◽  
Circuit Technique

In this paper, a [Formula: see text]-[Formula: see text] low-pass and low power filter with tunable in-band attenuation for WiMAX/LTE receiver is presented. The fourth-order filter consists of two cascaded biquad stages. The source-follower (SF) stage is used as a key building block in these biquads. In this paper, we have presented a circuit technique to reduce the nonlinearity of the SF stage resulting from unmatched signal swings at the gate and source terminals of the input transistor. The proposed SF stage, is used for design of a linear biquad which is then utilized in a fourth-order Butterworth low-pass filter. The simulation results of the filter for bandwidth of 10 MHz show that the IIP3 of the filter is equal to 8.22[Formula: see text]dBm, in-band noise density is 100[Formula: see text]nV/[Formula: see text]Hz and power consumption is 5.9[Formula: see text]mW. The supply voltage of the filter is equal to 1[Formula: see text]V.

A 0.3 V, 56 dB DR, 100 Hz fourth order low-pass filter for ECG acquisition system

2019 ◽  
Vol 94 ◽  
pp. 104652 ◽  
Author(s):  
P. Sreenivasulu ◽  
G. Hanumantha Rao ◽  
S. Rekha ◽  
M.S. Bhat
Keyword(s):  
Fourth Order ◽  
Acquisition System ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Low Pass

Novel mechanical antialiasing fiber-optic hydrophone with a fourth-order acoustic low-pass filter

2008 ◽  
Vol 33 (11) ◽  
pp. 1267 ◽  
Author(s):  
Zefeng Wang ◽  
Yongming Hu ◽  
Zhou Meng ◽  
Hong Luo ◽  
Ming Ni
Keyword(s):  
Fourth Order ◽  
Fiber Optic ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Low Pass
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