CN1684370A - Single electronic analogue digital signal converter - Google Patents
Single electronic analogue digital signal converter Download PDFInfo
- Publication number
- CN1684370A CN1684370A CN 200410034870 CN200410034870A CN1684370A CN 1684370 A CN1684370 A CN 1684370A CN 200410034870 CN200410034870 CN 200410034870 CN 200410034870 A CN200410034870 A CN 200410034870A CN 1684370 A CN1684370 A CN 1684370A
- Authority
- CN
- China
- Prior art keywords
- analog
- signal
- digital signal
- input
- output
- 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
Images
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
A single electronic analog digital signal conversion device includes: a sampling keeper, a signal distributor, the input of which is connected with the output of the keeper, a single electronic analog digital signal converter, the input of which is connected with the output of the distributor and outputs digital signals directly. The above circuits make up of an analog digital signal converter, the sample keeper traces and samples the input analog signals, and keeps them to output signals into n-channels in terms of digital n of AD to be added to n-channel transformation circuit of the converter, which transforms the input signals at the same time to realize quick conversion of analog digital signals.
Description
Technical field
The present invention relates to be used for the signal processing technology field from the analog signal conversion to the digital signal, especially a kind of single electron analog and digital signal conversion equipment.
Background technology
The nature variable all occurs with analog form, but present information processing, information stores and message transmission are carried out with digital form mostly.So become the chromacoder (ADC) of digital signal in the modern signal processing system, to be absolutely necessary analog signal conversion.
Semiconductor integrated circuit develops towards high integration, direction high-speed and low-power consumption always.Single electron analog and digital signal conversion equipment has high integration, low-power consumption and high-speed advantage and is hopeful to replace traditional adc circuit most owing to it.At present, have the people that the single electron adc circuit is studied, but they all can only be worked at low temperatures.Can't satisfy the requirement of work under the room temperature condition.
The content of invention
The objective of the invention is to, a kind of single electron analog and digital signal conversion equipment is provided, its advantage is simple in structure, and is low in energy consumption, integrated level height, precision height and good stability.
Technical solution of the present invention is:
The present invention relates to a kind of single electron analog and digital signal conversion equipment, it is characterized in that it comprises:
One sampling holder;
One signal distributor, the input of this signal distributor links to each other with the output of sampling holder;
One single electron analog and digital signal transducer, the input of this single electron analog and digital signal transducer links to each other with the output of signal distributor, and directly exports digital signal;
Above circuit is formed the analog and digital signal conversion equipment, sampling holder carries out tracking sampling to the analog signal of input and keeps, output signal to signal distributor, signal distributor is divided into the n road by the figure place n of AD with input signal, the weighted factor of each road signal is 1,1/2,1/4 ... ..1/2
N-1, n road signal is added to respectively on the n road translation circuit of single electron analog and digital signal transducer, and single electron analog and digital signal transducer number carries out the while conversion to input signal, finally realizes quick modulus signal conversion.
Wherein sampling holder comprises: a MOS transistor; One sampling keeps electric capacity, and this sampling keeps the input of electric capacity to link to each other with the output of MOS transistor, and this sampling keeps the other end ground connection of electric capacity.
Wherein single electron analog and digital signal transducer is made of a n analog and digital signal change-over circuit module in parallel, each module is by a pair of bar single electronic transistor, one MOS transistor and a current source constitute, the input V of each analog and digital signal change-over circuit module
jConnect the output analog signal output after one tunnel weighted in the signal distributor, the auxiliary grid V of single-electronic transistor
SjConnect a fixing bias voltage, the grid V of MOS transistor
GjConnect a fixing bias voltage.
In order to solve the shortcoming of above single electron adc circuit, the adc circuit that a kind of single-electronic transistor that we propose and MOS transistor are mixed.They have the following advantages:
1) on technology, realizes easily;
2) can work at ambient temperature;
3) has good stable;
4) linearity is good;
5) precision height;
6) simple in structure.
Description of drawings
For further specifying technology contents of the present invention, below in conjunction with drawings and Examples to the detailed description of the invention as after, wherein:
Fig. 1 is an analog and digital signal conversion equipment schematic diagram of the present invention;
Fig. 2 is the schematic diagram of the embodiment of sampling holder among Fig. 1;
Fig. 3 is the schematic diagram of the embodiment of signal distributor among Fig. 1;
Fig. 4 is the schematic diagram of the embodiment of analog and digital signal change-over circuit among Fig. 1;
Fig. 5 is the embodiment schematic diagram of analog and digital signal conversion equipment of the present invention;
Embodiment
As shown in Figure 1, n position analog and digital signal conversion equipment is by the sampling holder circuit, and signal divider circuit and analog and digital signal change-over circuit constitute.Its annexation is: a sampling holder 10; One signal distributor 20, the input of this signal distributor 20 links to each other with the output of sampling holder 10; One single electron analog and digital signal change-over circuit 30, the input of this single electron analog and digital signal change-over circuit 30 links to each other with the output of signal distributor 20, the digital signal output that the output of this single electron analog and digital signal change-over circuit 30 is final.The input analog signal at first arrives sampling holder 10 circuit, and 10 pairs of signals of sampling holder are sampled and kept and signal is exported to signal distributor 20, and 20 pairs of signals of signal distributor are weighted and handle back output weighted factor is respectively 1,1/2,1/2
2, 1/2
3... ..1/2
N-1N road output analog signal to single electron analog and digital signal change-over circuit 30, n converting unit of single electron analog and digital signal change-over circuit 30 changed the n road analog signal of signal distributor 20 respectively, obtains n bit digital output signal D
nD
N-1D
2D
1Weighted factor 1,1/2,1/2
2, 1/2
3... ..1/2
N-1Corresponding respectively output signal D
1, D
2, D
3, D
4... D
n
As shown in Figure 2, sampling holder 10 keeps electric capacity 50 to constitute by MOS transistor 40 and sampling.One MOS transistor 40; One sampling keeps electric capacity 50, and this sampling keeps the input of electric capacity 50 to link to each other with the output of MOS transistor 40.MOS transistor 40 is reached the purpose that input signal is sampled and kept as switch by external clock control switch sequential; Sampling keeps electric capacity 50, by discharging and recharging of electric charge input signal is sampled and is kept.
As shown in Figure 3, signal distributor 20 is 2n capacitor C
AiAnd C
Bi(I=1,2 ... n) network of Gou Chenging, C
A1Another termination input signal of one end ground connection, C
B1Input and C
A1Input connects; C
AiOne another termination of end ground connection C
Bi-1Output, C
BiInput and C
Bi-1Output connects; C
AnOne another termination of end ground connection C
Bn-1Output, C
BnInput and C
Bn-1Output connects, other end ground connection.20 pairs of input signals of signal distributor are weighted and handle back output weighted factor is respectively 1,1/2,1/2
2, 1/2
3... ..1/2
N-1N road output analog signal.
As shown in Figure 4, single electron analog and digital signal change-over circuit 30 is by a n analog and digital signal change-over circuit modules A D in parallel
j(j=1,2 ... n) constitute each modules A D
jBy a pair of bar single electronic transistor SET
i, a MOS transistor M
iConstitute A with a current source
i, each analog and digital signal change-over circuit modules A D
jInput V
jConnect the output analog signal output after one tunnel weighted in the signal distributor, the auxiliary grid V of single-electronic transistor
SjConnect a fixing bias voltage, be used for controlling the position phase of output signal, the grid V of MOS transistor
GjConnect the source-drain voltage of a fixing bias voltage control single-electronic transistor.With the variation of input analog signal, the periodic signal of output output height concussion has realized that promptly analog signal conversion becomes the conversion of signals of digital signal.
The circuit diagram of the embodiment of n position analog and digital signal conversion equipment as shown in Figure 5.Its sampling holder circuit, signal divider circuit and single electron analog and digital signal change-over circuit are respectively by Fig. 2, and Fig. 3 and circuit shown in Figure 4 constitute, and can realize the analog and digital signal conversion of n position.
Claims (3)
1. single electron analog and digital signal conversion equipment is characterized in that it comprises:
One sampling holder;
One signal distributor, the input of this signal distributor links to each other with the output of sampling holder;
One single electron analog and digital signal transducer, the input of this single electron analog and digital signal transducer links to each other with the output of signal distributor, and directly exports digital signal;
Above circuit is formed the analog and digital signal conversion equipment, sampling holder carries out tracking sampling to the analog signal of input and keeps, output signal to signal distributor, signal distributor is divided into the n road by the figure place n of AD with input signal, the weighted factor of each road signal is 1,1/2,1/4 ... ..1/2
N-1, n road signal is added to respectively on the n road translation circuit of single electron analog and digital signal transducer, and single electron analog and digital signal transducer number carries out the while conversion to input signal, finally realizes quick modulus signal conversion.
2. single electron analog and digital signal conversion equipment as claimed in claim 1 is characterized in that wherein sampling holder comprises: a MOS transistor; One sampling keeps electric capacity, and this sampling keeps the input of electric capacity to link to each other with the output of MOS transistor, and this sampling keeps the other end ground connection of electric capacity.
3. single electron analog and digital signal conversion equipment as claimed in claim 1, it is characterized in that, wherein single electron analog and digital signal transducer is made of a n analog and digital signal change-over circuit module in parallel, each module is by a pair of bar single electronic transistor, one MOS transistor and a current source constitute, the input V of each analog and digital signal change-over circuit module
jConnect the output analog signal output after one tunnel weighted in the signal distributor, the auxiliary grid V of single-electronic transistor
SjConnect a fixing bias voltage, the grid V of MOS transistor
GjConnect a fixing bias voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100348707A CN100539426C (en) | 2004-04-16 | 2004-04-16 | Single electron analog and digital signal conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100348707A CN100539426C (en) | 2004-04-16 | 2004-04-16 | Single electron analog and digital signal conversion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1684370A true CN1684370A (en) | 2005-10-19 |
| CN100539426C CN100539426C (en) | 2009-09-09 |
Family
ID=35263536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100348707A Expired - Fee Related CN100539426C (en) | 2004-04-16 | 2004-04-16 | Single electron analog and digital signal conversion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100539426C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299919A (en) * | 2019-08-26 | 2019-10-01 | 成都铭科思微电子技术有限责任公司 | A kind of low-power consumption ultrahigh speed high-precision adc |
| CN110632359A (en) * | 2019-09-26 | 2019-12-31 | 中国核动力研究设计院 | Analog quantity isolation system and method based on flying capacitor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1001534A2 (en) * | 1998-10-07 | 2000-05-17 | Yozan Inc. | Analog to digital converter |
| CN2496134Y (en) * | 2001-01-15 | 2002-06-19 | 中国科学院物理研究所 | Sigle electron transistor |
| CN1240134C (en) * | 2002-06-21 | 2006-02-01 | 中国科学院半导体研究所 | Single electron multi-value memory device |
-
2004
- 2004-04-16 CN CNB2004100348707A patent/CN100539426C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299919A (en) * | 2019-08-26 | 2019-10-01 | 成都铭科思微电子技术有限责任公司 | A kind of low-power consumption ultrahigh speed high-precision adc |
| CN110299919B (en) * | 2019-08-26 | 2019-12-13 | 成都铭科思微电子技术有限责任公司 | low-power-consumption ultrahigh-speed high-precision analog-to-digital converter |
| CN110632359A (en) * | 2019-09-26 | 2019-12-31 | 中国核动力研究设计院 | Analog quantity isolation system and method based on flying capacitor |
| CN110632359B (en) * | 2019-09-26 | 2021-11-30 | 中核控制系统工程有限公司 | Analog quantity isolation system and method based on flying capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100539426C (en) | 2009-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208768053U (en) | Passive simulation sampling and holding in analog-digital converter | |
| CN101164237B (en) | High-speed sampling architectures | |
| CN110750231B (en) | Convolution neural network-oriented biphase coefficient adjustable analog multiplication circuit | |
| CN1101083C (en) | Arrangement and method relating to digital information | |
| US20090184857A1 (en) | A/d converting apparatus | |
| US20130009797A1 (en) | Distributed Bootstrap Switch | |
| JP2006086981A (en) | Switched capacitor circuit and pipeline a/d conversion circuit | |
| CN1526202A (en) | High-speed, high-resolution and low-consumption analog/digital converter with single-ended input | |
| CN1829085A (en) | Tri-state pulse density modulator | |
| CN101783684A (en) | Pipelined analog-to-digital converter | |
| CN106921392A (en) | Compare the production line analog-digital converter with charge redistribution in advance with input signal | |
| CN108962146A (en) | External compensation circuit and compensation method, display device | |
| CN105007677B (en) | D/A converting circuit and method for AMOLED column drive circuits | |
| CN101986570B (en) | Analog-to-digital converter (ADC) and sample-and-hold circuit thereof | |
| CN111313852A (en) | Drive amplifier and analog-to-digital converter | |
| CN1684370A (en) | Single electronic analogue digital signal converter | |
| CN1561000A (en) | Pipeline structure analogue/digital converter of controlling input common-mode drift | |
| JPH0629846A (en) | Multimode analog-to-digital converter and conversion method | |
| CN1653767A (en) | Data transmission/reception system | |
| CN102959949A (en) | Signal transfer circuit and image pickup device | |
| US20050110670A1 (en) | Semiconductor device having on-chip reference voltage generator | |
| CN1469536A (en) | Boost Structure of Switched Capacitor System | |
| CN1691518A (en) | Single electron digital-analog signal conversion equipment | |
| CN1314202C (en) | Gain circuit and A/D conversion circuit of sharing operational amplifier and application | |
| CN2508464Y (en) | Sampling interface circuit structure using switch capacitance technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI CAS ALLIANCE TECHNOLOGY R + D CENTER CO., LTD Free format text: FORMER OWNER: SEMICONDUCTOR INST., CHINESE ACADEMY OF SCIENCES Effective date: 20130311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 HAIDIAN, BEIJING TO: 214135 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130311 Address after: 214135 Jiangsu New District of Wuxi City Linghu Road No. 200 China Sensor Network International Innovation Park A block 10 layer Patentee after: WUXI ZHONGKE ZHILIAN TECHNOLOGY R & D CENTER CO., LTD. Address before: 100083 Beijing Qinghua East Road, Haidian District, No. 35 Patentee before: Semiconductor Inst., Chinese Academy of Sciences |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |