Bessel Lowpass Filter
Model Name | LOWPASS(BESSEL_2) LOWPASS(BESSEL_4) LOWPASS(BESSEL_2_DIGITAL)
Symbol |
Generics |
Name | Type | Default | Unit | Min | Description
FC | REAL |  | Hz | >0.0 | cut-off frequency
GAIN | REAL | 1.0 |  |  | voltage gain
Ports |
Interface | Name | Type/Nature | Description
terminal | INP | ELECTRICAL | controlling terminal
terminal | OUTP | ELECTRICAL | output terminal
Description | The architecture BESSEL_2 realizes a second order analog Bessel lowpass. The architecture BESSEL_4 realizes a fourth order analog Bessel lowpass. The cut-off frequency is FC. The architecture BESSEL_2_DIGITAL realizes a second order digital Bessel lowpass. The cut-off frequency is FC. The sampling frequency is 4*FC.
References | Tietze, U,; Schenk, C.: Halbleiter-Schaltungstechnik. Heidelberg: Springer-Verlag, 2002. Schruefer, E.: Signalverarbeitung. Muenchen, Wien: Carl Hanser Verlag, 1990.
Dependencies |
Logical Library | Design Unit/Design Entity
IEEE_proposed | ELECTRICAL_SYSTEMS
IEEE | MATH_REAL
Source | See source code
Example | See test-bench