Kacar, "Electronically tunable MOSFET-only current-mode biquad
A design example of a fractional order Kerwin-Huelsman-Newcomb biquad
filter with two fractional capacitors of different order.
Simulacion y construccion de la antena doble biquad
Noori, "New CMOS realization of voltage differencing buffered amplifier and its biquad
filter applications," Radioengineering, vol.
IIR IP core parameters Name Description Valid range DIN_WIDTH Width of data input 8 DOUT_WIDTH Width of data output 8 COEFF_WIDTH Width of a coefficient 8 STAGES Number of biquad
stages 1 a Number of recursive coefficients 2 b Number of recursive noncoefficients 3 Figure 6: An architecture of the FFT IP core.
Srivastava, "Universal voltage-mode biquad
filter using voltage differencing transconductance amplifier," Indian Journal of Pure and Applied Physics, vol.
IIR filter is used to compensate nonlinear phase response that comes from the tropical outdoor channel and the antenna.
A new Transadmittance-mode biquad
filter has been proposed which employs only two VDTAs and two grounded capacitors.
Tangsrirat, "Novel current-mode and voltage-mode universal biquad
filters using single CFTA," Indian Journal of Engineering and Materials Sciences, vol.
* An advanced PID filter with feedforward and dual biquad
Additional features include limit switch input, high speed position capture, dual loop encoder input, six-step and sinusoidal commutation, PID filter with feedforward and dual biquad
filters, incremental and parallel encoder input, general purpose digital inputs and outputs and general purpose analog inputs.
Figure 4 illustrates a biquad
digital filter structure that computes the response of a second-order IIR transfer function.