scholarly journals Z Transformation by Pascal Matrix and its Applications in the Design of IIR Filters

2011 ◽  
Vol 9 (03) ◽  
Author(s):  
F. J. García-Ugalde ◽  
B. Psenicka ◽  
M.O. Jiménez-Salinas
Keyword(s):  
Transfer Function ◽  
Continuous Time ◽  
Direct Method ◽  
Time Transfer ◽  
Iir Filters ◽  
Pascal Matrix ◽  
Low Pass ◽  
Z Transformation ◽  
A Direct Method

In this work, we summarize a direct method to transform the low-pass continuous-time transfer function

A 2nd-Order Continuous Time Delta-Sigma Modulator for Photoplethysmography Analog Front-End

2020 ◽  
Author(s):  
Eka Fitrah Pribadi ◽  
Rajeev Kumar Pandey ◽  
Paul C.-P. Chao
Keyword(s):  
Transfer Function ◽  
Continuous Time ◽  
Supply Voltage ◽  
Signal To Noise Ratio ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Delta Sigma Modulator ◽  
Delta Sigma ◽  
Low Pass ◽  
Order Continuous

Abstract A brief presents a 2nd order continuous-time delta-sigma modulator (CT-DSM) using a low pass filter to reduce the slew rate requirement of the output swing of the first integrator. By adding the low pass filter, the desired transfer function of the CT-DSM is altered. Thus a feed-forward based compensation circuit is introduced to transform the altered transfer function to the original condition. The CT-DSM is designed with a bandwidth of 100 Hz to satisfy the requirement of photoplethysmogram (PPG) detection. The CT-DSM is simulated using CMOS 180 nm technology with the layout area 460 μm × 460 μm. The circuit uses a 1.8 V supply voltage and consumes 35.61 μW. The signal-to-noise ratio of the CT-DSM is 101.2 dB, while the SFDR is 99.1 dB.

Bias Distribution in Continuous-Time Transfer Function Estimates by Prediction Error Method

1993 ◽  
Vol 26 (2) ◽  
pp. 637-641
Author(s):  
V.N. Bapat ◽  
S. Mukhopadhyay ◽  
A. Patra ◽  
D.C. Saha
Keyword(s):  
Transfer Function ◽  
Continuous Time ◽  
Prediction Error ◽  
Time Transfer ◽  
Error Method
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