FilterAllpass
A first-order allpass filter.
Parameters
corner_frequency
Options
opamp_mode \( \in \{ \)
DEFAULT
\( , \)
CHOPPER_STABILIZED
\( \} \)
Inputs
input
Continuous
Outputs
output
Continuous
Low-frequency Variant
FilterAllpassLF
: a version of this module that uses additional hardware resources to extend its low-frequency range.
Transfer Function
$$
\frac{V_{out}(s)}{V_{in}(s)} = - \frac{s - 2\pi f_c}{s + 2\pi f_c}
$$
Analog Resource Usage
$$
\begin{array}{|c|c|}
\hline
\text{Opamps} & \text{1 of 8} \\
\hline
\text{Capacitors} & \text{3 of 32} \\
\hline
\end{array} \\~\\
\text{Low Frequency Variant:} \\
\begin{array}{|c|c|}
\hline
\text{Opamps} & \text{1 of 8} \\
\hline
\text{Capacitors} & \text{5 of 32} \\
\hline
\end{array}
$$