JPS6410708A - Offset canceling circuit - Google Patents
Offset canceling circuitInfo
- Publication number
- JPS6410708A JPS6410708A JP62165651A JP16565187A JPS6410708A JP S6410708 A JPS6410708 A JP S6410708A JP 62165651 A JP62165651 A JP 62165651A JP 16565187 A JP16565187 A JP 16565187A JP S6410708 A JPS6410708 A JP S6410708A
- Authority
- JP
- Japan
- Prior art keywords
- compensation
- circuit
- integration operation
- offset
- inverted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Amplifiers (AREA)
Abstract
PURPOSE:To obtain an offset cancellation circuit, which makes an offset compensation error small, and in addition is suitable to be made into a MOS integrated circuit by providing a switched capacitor integrator, which operates an inverted integration operation or a non-inserted integration operation, and outputs a compensation signal. CONSTITUTION:The number of pulses, sent from the logical product of the output of a compensation circuit 4 and a clock phic within definite time (2<n>-1).tsec ('t' is one period of clock phic), is counted by the n-bit up-counter 8 of a control signal generation circuit 5A. Then, the switched capacitor integrator 14, which operates the inverted integration operation or the non-inverted integration operation according as the number of the pulses is larger or smaller than (2<n>-1)/2. Thus, because the positive compensation signal and the negative compensation signal are determined by the ratio of an integration capacitor CI and a sampling capacitor CS, it comes to generate the compensation signals, having the same absolute values of a positive direction and a negative direction, and the offset cancellation circuit, which has the small offset compensation error, and is suitable to be made into the MOS integrated circuit, is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165651A JPS6410708A (en) | 1987-07-01 | 1987-07-01 | Offset canceling circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62165651A JPS6410708A (en) | 1987-07-01 | 1987-07-01 | Offset canceling circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6410708A true JPS6410708A (en) | 1989-01-13 |
JPH0559603B2 JPH0559603B2 (en) | 1993-08-31 |
Family
ID=15816408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62165651A Granted JPS6410708A (en) | 1987-07-01 | 1987-07-01 | Offset canceling circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6410708A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020240693A1 (en) * | 2019-05-28 | 2020-12-03 |
-
1987
- 1987-07-01 JP JP62165651A patent/JPS6410708A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020240693A1 (en) * | 2019-05-28 | 2020-12-03 | ||
WO2020240693A1 (en) * | 2019-05-28 | 2020-12-03 | 日本電信電話株式会社 | Variable reference voltage source |
Also Published As
Publication number | Publication date |
---|---|
JPH0559603B2 (en) | 1993-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5441061A (en) | Analogue/digital converter | |
JPS6410708A (en) | Offset canceling circuit | |
JPS52119020A (en) | Signal processing unit | |
JPS55124317A (en) | Digital filter circuit | |
JPS5311A (en) | S/n ratio enhancing unit | |
JPS54161819A (en) | Digital picture tracking device | |
JPS525577A (en) | Time count correcter | |
DE3780640D1 (en) | OFFSET CORRECTION CIRCUIT FOR A SIGMA DELTA ENCODING DEVICE. | |
CH630501B (en) | TIME CORRECTION-ADJUSTMENT CIRCUIT FOR ELECTRONIC WATCH PART, ESPECIALLY ELECTRONIC BRACELET WATCH. | |
JPS57157621A (en) | Digital error generating circuit | |
JPS6419821A (en) | Reset synchronization delay circuit | |
JPS6436116A (en) | Timing pulse generating circuit | |
JPS56126311A (en) | Switched capacitor circuit | |
JPS5789329A (en) | Counting circuit | |
JPS54138975A (en) | Position pulse correcting circuit | |
JPS55124318A (en) | Overflow detection/correction circuit | |
JPS6419826A (en) | Digital pll circuit | |
JPS544556A (en) | Counter type encoder | |
JPS6449311A (en) | Clock generating circuit for switched capacitor filter | |
JPS5627659A (en) | Glicth detection system | |
JPS55676A (en) | Pulse delay circuit | |
JPS5383654A (en) | Count pulse generating circuit | |
JPS5474666A (en) | Level adjusting system for counter type coder | |
JPS55164370A (en) | Detecting unit for rise time of analogue signal | |
JPS53139968A (en) | A-d convertor |