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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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ssd7 Exercise 1 answer, well, I hope to give us some help
ssd7练习1的答案,很好的,希望能给大家带来帮助-ssd7 Exercise 1 answer, well, I hope to give us some help
- 2022-02-07 23:28:06下载
- 积分:1
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用C语言实现的计算器.功能齐全,且实用,代码却不多
用C语言实现的计算器.功能齐全,且实用,代码却不多-using the C language calculators. Complete functions, and useful, but little code
- 2022-02-01 08:24:58下载
- 积分:1
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dsp程序例子GPIO,在CCS中可以运行
dsp程序例子GPIO,在CCS中可以运行-dsp example program GPIO, can be run in the CCS
- 2022-12-28 00:35:03下载
- 积分:1
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DIY AVR_USB_JTAGICE ATmega16仿真器(100 通过)由于网上DIY AVR JTagIce纷乱复杂,且大部分不能用,本人经收集整理资料...
DIY AVR_USB_JTAGICE ATmega16仿真器(100 通过)由于网上DIY AVR JTagIce纷乱复杂,且大部分不能用,本人经收集整理资料特为仿真用户提供一完整AVR-M16 JTagIce DIY制作全过程及相关电路图及文件,仅供参考。-DIY AVR_USB_JTAGICE ATmega16
- 2022-09-26 20:55:04下载
- 积分:1
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模拟打印机的打印方式
模拟打印机的打印方式-simulation printers printing
- 2022-07-28 11:51:08下载
- 积分:1
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HFSS 耦合器 微带结构 可调参数
HFSS 耦合器 微带结构 可调参数-HFSS structure of adjustable parameters of microstrip coupler
- 2023-01-05 03:30:03下载
- 积分:1
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use PowerBuilder to achieve the inventory management procedures
用powerbuilder实现的库存管理程序-use PowerBuilder to achieve the inventory management procedures
- 2022-12-09 01:05:03下载
- 积分:1
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Serial communication procedures, including open, set the serial port parameters,...
串口通讯程序,包括打开、设置串口参数,读写串口等 -Serial communication procedures, including open, set the serial port parameters, such as reading and writing serial
- 2022-01-21 03:28:42下载
- 积分:1
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with multim2001 preparation, as a circuit beginners can learn reference
用multim2001编写,可以作为电路初学者的学习参考-with multim2001 preparation, as a circuit beginners can learn reference
- 2022-03-23 05:37:47下载
- 积分:1