PeakDetectorReset
A PeakDetector with voltage-controlled reset.
Parameters
decay
peak_rate
Options
decay_shape \( \in \{ \)
LINEAR
\( , \)
EXPONENTIAL
\( \} \)
peak_to_detect \( \in \{ \)
POSITIVE_PEAK
\( , \)
NEGATIVE_PEAK
\( \} \)
comparator_output \( \in \{ \)
REFERENCE_VOLTAGE_OUTPUT
\( , \)
DIGITAL_OUTPUT
\( \} \)
input_phase \( \in \{ \)
PHASE1
\( , \)
PHASE2
\( \} \)
compare_to \( \in \{ \)
GROUND
\( , \)
SECOND_INPUT
\( , \)
VARIABLE_REFERENCE
\( \} \)
control_signal_polarity \( \in \{ \)
ACTIVE_HIGH
\( , \)
ACTIVE_LOW
\( \} \)
opamp_mode \( \in \{ \)
DEFAULT
\( , \)
CHOPPER_STABILIZED
\( \} \)
Inputs
input
Half-Cycle
control
Half-Cycle
Outputs
output
Continuous
reset_out
Continuous
Transfer Function
$$
\frac{\Delta V_{out}}{\Delta t} =
\begin{cases}
\text{Peak} & \text{if $\> V_{out} < V_{in}$} \\
-\text{Decay} & \text{if $\> V_{out} > V_{in}$}
\end{cases} \\
\text{reset if $V_{ctrl} > V_{ref}$}
$$
Analog Resource Usage
$$
\begin{array}{|c|c|}
\hline
\text{Opamps} & \text{2 of 8} \\
\hline
\text{Comparators} & \text{2 of 4} \\
\hline
\text{Capacitors} & \text{5 of 32} \\
\hline
\end{array}
$$