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发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10...
发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。-Part of the launch phase-locked loop frequency synthesizer using technology, MC145152 and MC12022 PLL chips to lock in the exact carrier frequency 35MHz, the output carrier to achieve the stability of 4 × 10-5, reaching the accuracy of 3 × 10-5 by the varactor diode V149 and integration to achieve MC1648 chip VCO FM modulation on the carrier selection transistor amplifier at the end of class 2SC1970, to work in the C state to enlarge and improve the efficiency of the amplifier output power to meet the design requirements.
- 2022-08-18 16:37:11下载
- 积分：1
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programming for office API and so on
programming for office API and so on-programming API for office and so on
- 2022-03-05 07:21:10下载
- 积分：1
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游戏中的人物方向控制的代码,这里用小球代表 游戏中的人物....
游戏中的人物方向控制的代码,这里用小球代表 游戏中的人物.-game figures direction control code, use a small ball game on behalf of the characters.
- 2022-04-30 05:58:46下载
- 积分：1
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RCPC编码，这个是用于CCS环境下的RCPC编码。里面有三种打孔图形。...
RCPC编码，这个是用于CCS环境下的RCPC编码。里面有三种打孔图形。-RCPC codes, this is for the CCS environment RCPC coding. There are three types of perforated graphics.
- 2022-04-29 17:28:03下载
- 积分：1
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Broadband Series
Broadband Series - ATM Basics -Broadband Series- ATM Basics
- 2022-01-24 15:30:30下载
- 积分：1
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C 语言开发环境
C 语言开发环境 -C language development environment
- 2022-12-11 20:40:04下载
- 积分：1
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小弹球游戏，可以根据选定的快中慢速度来调整小球弹跳的速度...
小弹球游戏，可以根据选定的快中慢速度来调整小球弹跳的速度-Little pinball game，Small game may be based on the selected fast in the slow speed to adjust the speed of the ball bouncing
- 2022-01-31 13:38:59下载
- 积分：1
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Wireless transceiver modules for nRF5E5, 905 initialization, send and receive se...
对于无线收发模块nRF5E5,905的初始化，收发设置等。-收发程序-Wireless transceiver modules for nRF5E5, 905 initialization, send and receive settings.- Send and receive process
- 2022-03-09 11:04:13下载
- 积分：1
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ts35nd5b
TS35ND5B-01_TFT_touch_panel.pdf TS35ND5B-01_TFT_touch_panel.pdf-TS35ND5B-01_TFT_touch_panel.pdf
- 2022-02-22 10:36:59下载
- 积分：1
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This is an OA Office Automation website is c#+ Asp prepared, it is worth a visit
这是一个OA企业办公自动化网站,是采用c#+asp编写的,很值得一看-This is an OA Office Automation website is c#+ Asp prepared, it is worth a visit
- 2022-03-14 05:17:21下载
- 积分：1
