Dongle泛指任何能插到電腦上的小型硬體,PC TV dongle則是用來在PC上觀看電視節目所用的擴充裝置。一般來說,依照採用的電視訊號規格,PC TV dongle可區分成兩大類:若使用的訊源為數位訊號,則屬於數位PC TV dongle;若使用的是類比訊號,則屬於類比PC TV dongle。全球各地皆有不同的採納階段,且推行的廣播標準也不盡相同。
上傳時間: 2013-12-12
上傳用戶:lifangyuan12
安森美針對家庭娛樂應用的解決方案
上傳時間: 2013-11-24
上傳用戶:瓦力瓦力hong
Recent advances in low voltage silicon germaniumand BiCMOS processes have allowed the design andproduction of very high speed amplifi ers. Because theprocesses are low voltage, most of the amplifi er designshave incorporated differential inputs and outputs to regainand maximize total output signal swing. Since many lowvoltageapplications are single-ended, the questions arise,“How can I use a differential I/O amplifi er in a single-endedapplication?” and “What are the implications of suchuse?” This Design Note addresses some of the practicalimplications and demonstrates specifi c single-endedapplications using the 3GHz gain-bandwidth LTC6406differential I/O amplifi er.
上傳時間: 2013-11-23
上傳用戶:rocketrevenge
LAYOUT REPORT .............. 1 目錄.................. 1 1. PCB LAYOUT 術語解釋(TERMS)......... 2 2. Test Point : ATE 測試點供工廠ICT 測試治具使用............ 2 3. 基準點 (光學點) -for SMD:........... 4 4. 標記 (LABEL ING)......... 5 5. VIA HOLE PAD................. 5 6. PCB Layer 排列方式...... 5 7.零件佈置注意事項 (PLACEMENT NOTES)............... 5 8. PCB LAYOUT 設計............ 6 9. Transmission Line ( 傳輸線 )..... 8 10.General Guidelines – 跨Plane.. 8 11. General Guidelines – 繞線....... 9 12. General Guidelines – Damping Resistor. 10 13. General Guidelines - RJ45 to Transformer................. 10 14. Clock Routing Guideline........... 12 15. OSC & CRYSTAL Guideline........... 12 16. CPU
上傳時間: 2013-12-20
上傳用戶:康郎
電路板故障分析 維修方式介紹 ASA維修技術 ICT維修技術 沒有線路圖,無從修起 電路板太複雜,維修困難 維修經驗及技術不足 無法維修的死板,廢棄可惜 送電中作動態維修,危險性極高 備份板太多,積壓資金 送國外維修費用高,維修時間長 對老化零件無從查起無法預先更換 維修速度及效率無法提升,造成公司負擔,客戶埋怨 投資大量維修設備,操作複雜,績效不彰
上傳時間: 2013-10-26
上傳用戶:neu_liyan
安森美ESD選型指南
上傳時間: 2013-10-12
上傳用戶:ysystc699
美信ESD保護之路
上傳時間: 2013-12-24
上傳用戶:黃華強
HIGH SPEED 8051 μC CORE - Pipe-lined Instruction Architecture; Executes 70% of Instructions in 1 or 2 System Clocks - Up to 25MIPS Throughput with 25MHz System Clock - 22 Vectored Interrupt Sources MEMORY - 4352 Bytes Internal Data RAM (256 + 4k) - 64k Bytes In-System Programmable FLASH Program Memory - External Parallel Data Memory Interface – up to 5Mbytes/sec DIGITAL PERIPHERALS - 64 Port I/O; All are 5V tolerant - Hardware SMBusTM (I2CTM Compatible), SPITM, and Two UART Serial Ports Available Concurrently - Programmable 16-bit Counter/Timer Array with 5 Capture/Compare Modules - 5 General Purpose 16-bit Counter/Timers - Dedicated Watch-Dog Timer; Bi-directional Reset CLOCK SOURCES - Internal Programmable Oscillator: 2-to-16MHz - External Oscillator: Crystal, RC, C, or Clock - Real-Time Clock Mode using Timer 3 or PCA SUPPLY VOLTAGE ........................ 2.7V to 3.6V - Typical Operating Current: 10mA @ 25MHz - Multiple Power Saving Sleep and Shutdown Modes 100-Pin TQFP (64-Pin Version Available) Temperature Range: –40°C to +85°C
標簽: C8051F020
上傳時間: 2013-10-12
上傳用戶:lalalal
常用主板I/O芯片簡介
上傳時間: 2013-11-10
上傳用戶:yupw24
〔摘要〕介紹了幾種通過單片機1/O口鍵盤擴展的方法。主要探討了幾種采用較少的1/O口實現較多按鍵的方法。〔關鍵詞〕單片機;1/O口;鍵盤擴展
上傳時間: 2013-10-31
上傳用戶:jkhjkh1982