Glitch Detection and Method for Detecting a Glitch
First Claim
Patent Images
1. A method for detecting a glitch, the method comprising:
- increasing a bias voltage of a first capacitor;
sampling an input signal of a first plate of the first capacitor with a time period;
subtracting the sampled input signal from the input signal; and
comparing the subtracted signal with a reference signal.
1 Assignment
0 Petitions
Accused Products
Abstract
System and method for detecting a glitch is disclosed. An embodiment comprises increasing a bias voltage of a first capacitor, sampling an input signal of a first plate of the first capacitor with a time period, mixing the input signal with the sampled input signal, and comparing the mixed signal with a reference signal.
25 Citations
20 Claims
-
1. A method for detecting a glitch, the method comprising:
-
increasing a bias voltage of a first capacitor; sampling an input signal of a first plate of the first capacitor with a time period; subtracting the sampled input signal from the input signal; and comparing the subtracted signal with a reference signal. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A method for calibrating a microphone, the method comprising:
-
operating the microphone in a normal operation mode based on a first bias voltage; activating a calibration mode; and operating the calibration mode, wherein the calibration mode comprises increasing a bias voltage of a first capacitor; sampling an input signal of a first plate of the first capacitor with a time period; calculating an output signal from the sampled input signal and the input signal; and comparing the calculated output signal with a reference signal. - View Dependent Claims (7, 8, 9, 10, 11)
-
-
12. An circuit comprising:
-
an input terminal configured to receive an input signal; a first summer configured to calculate an output signal, the first summer configured to receive the input signal and a sampled input signal, the sampled input signal being based on the input signal; a comparator configured to compare the calculated output signal with a reference signal; and an output terminal configured to provide the compared signal. - View Dependent Claims (13, 14, 15, 16)
-
-
17. A circuit comprising:
-
a MEMS system; a glitch detection circuit; and a switch, the switch electrically connected to the MEMS system and to the glitch detection circuit. - View Dependent Claims (18, 19, 20)
-
Specification