Invention Grant
- Patent Title: Peak detection with digital conversion
- Patent Title (中): 峰值检测与数字转换
-
Application No.: US12424326Application Date: 2009-04-15
-
Publication No.: US08040079B2Publication Date: 2011-10-18
- Inventor: Bin Zhao
- Applicant: Bin Zhao
- Applicant Address: US TX Austin
- Assignee: Freescale Semiconductor, Inc.
- Current Assignee: Freescale Semiconductor, Inc.
- Current Assignee Address: US TX Austin
- Main IPC: H05B37/02
- IPC: H05B37/02

Abstract:
A peak detection/digitization circuit includes a plurality of level detect units, each having a comparator and a flip-flop with a clock input responsive to the output of the comparator. For a detection period, each level detect unit configures a data output signal of the flip-flop to a first data state responsive to a start of the detection period. Further, each level detect unit is configured to enable the comparator responsive to the data output signal having the first data state or a second data state, respectively. While the comparator is enabled during the detection period, the level detect unit configures the data output signal of the flip-flop responsive to a comparison of an input signal to a corresponding reference voltage level by the comparator. The data output signals of the flip-flops of the level detect units at the end of the detection period are used to determine a digital value representative of a peak voltage level of the input signal.
Public/Granted literature
- US20100264837A1 PEAK DETECTION WITH DIGITAL CONVERSION Public/Granted day:2010-10-21
Information query