CN100581054C - 数字频率转换方法及电路 - Google Patents
数字频率转换方法及电路 Download PDFInfo
- Publication number
- CN100581054C CN100581054C CN200510120848A CN200510120848A CN100581054C CN 100581054 C CN100581054 C CN 100581054C CN 200510120848 A CN200510120848 A CN 200510120848A CN 200510120848 A CN200510120848 A CN 200510120848A CN 100581054 C CN100581054 C CN 100581054C
- Authority
- CN
- China
- Prior art keywords
- register
- difference
- output
- threshold value
- frequency
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008676 import Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Landscapes
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200510120848A CN100581054C (zh) | 2005-12-23 | 2005-12-23 | 数字频率转换方法及电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200510120848A CN100581054C (zh) | 2005-12-23 | 2005-12-23 | 数字频率转换方法及电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1988381A CN1988381A (zh) | 2007-06-27 |
CN100581054C true CN100581054C (zh) | 2010-01-13 |
Family
ID=38185036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510120848A Active CN100581054C (zh) | 2005-12-23 | 2005-12-23 | 数字频率转换方法及电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100581054C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107153352A (zh) * | 2017-04-25 | 2017-09-12 | 华南理工大学 | 一种基于数字频率合成技术的脉冲生成方法 |
CN109600140B (zh) * | 2018-12-21 | 2023-04-28 | 陕西航天时代导航设备有限公司 | 实现电压频率转换电路的数字化方法 |
-
2005
- 2005-12-23 CN CN200510120848A patent/CN100581054C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN1988381A (zh) | 2007-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102916687B (zh) | 基于cmos工艺的三值时钟发生器 | |
CN103178815B (zh) | 一种基于fpga的pwm发生器 | |
CN1232031C (zh) | 基于fpga的高精度任意波形发生器 | |
CN102437852A (zh) | 一种利用低速ADC实现2.5GSa/s数据采集电路及方法 | |
CN104679474A (zh) | 有限域gf(2^227)上的乘法器及模乘算法 | |
CN102638264A (zh) | 一种实现数据加权平均算法的*** | |
CN105471433A (zh) | 采样率转换器、模拟—数字转换器及转换数据流的方法 | |
CN102324927A (zh) | 波特率发生器 | |
CN105426918A (zh) | 归一化相关图像模板匹配高效实现方法 | |
CN101276002A (zh) | 高温单片相位可编程直接数字频率合成源 | |
CN102983839A (zh) | 一种基于fpga实现gmsk信号发生器的方法 | |
CN101226408B (zh) | 交流伺服绝对值编码器位置反馈脉冲分频输出方法及电路 | |
CN100581054C (zh) | 数字频率转换方法及电路 | |
CN104459259A (zh) | 一种用于示波器的改进型波形内插*** | |
US5924050A (en) | Arithmetic unit | |
CN109901382B (zh) | 一种数字控制***的规则采样pwm优化方法 | |
CN1286854A (zh) | 基于频率采样的数字相位鉴别 | |
CN102916681B (zh) | 一种脉宽可调的nrz/rz码转换装置 | |
CN115549679A (zh) | 应用于电流舵的电流源控制电路和数模转换电路 | |
CN101552604B (zh) | 数据转换***的前向数值转换模块及实现方法 | |
CN102916682B (zh) | 一种脉宽可调的不归零码/归一码转换装置 | |
CN102361445B (zh) | 基于数字频率合成器的高精度协议脉冲发生器 | |
CN113031917A (zh) | 一种高速概率计算乘法器和计算方法 | |
Gujjula et al. | Design and analysis of dual-mode numerically controlled oscillators based controlled oscillator frequency modulation | |
CN100553137C (zh) | 基于逻辑类型交替的异步时钟域信号切换结构 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Fortune Technology Co., Ltd. Assignor: Xinhai Science and Technology Co., Ltd., Shenzhen City Contract record no.: 2011440020440 Denomination of invention: Digital frequency switching method and circuit Granted publication date: 20100113 License type: Exclusive License Open date: 20070627 Record date: 20111206 |
|
CP03 | Change of name, title or address |
Address after: 518000, A building, block 9, garden city digital garden, 1079 Nanhai Road, Guangdong, Shenzhen, Nanshan District Patentee after: Chipsea Technology (Shenzhen) Co., Ltd. Address before: 518057 West Block W405, Shenzhen-Hong Kong Production, Education and Research Base, Nanshan High-tech Industrial Park, Shenzhen City, Guangdong Province Patentee before: Xinhai Science and Technology Co., Ltd., Shenzhen City |
|
CP03 | Change of name, title or address | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: SHENZHEN FORTUNE TECHNOLOGY Co.,Ltd. Assignor: CHIPSEA TECHNOLOGIES (SHENZHEN) Corp. Contract record no.: 2011440020440 Date of cancellation: 20200409 |
|
EC01 | Cancellation of recordation of patent licensing contract |