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Description: 继续上面一个,TV TUNER VHF 频段表.-continue above a TV tuner VHF band table.
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Size: 31478 |
Author: 杨杰 |
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Description: Schematic for a simple HF VHF AM FM receiver
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Size: 5313 |
Author: 蔡武原 |
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Description: 继续上面一个,TV TUNER VHF 频段表.-continue above a TV tuner VHF band table.
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Size: 30720 |
Author: 杨杰 |
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Description: Schematic for a simple HF VHF AM FM receiver
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Size: 5120 |
Author: 蔡武原 |
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Description: BTC 线圈系列BTC Coils.pdf FHW 绕线型片式电感器.pdf LBS 系列功率电感.pdf MS 系列功率电感.pdf PB 系列功率电感.pdf PIO 系列功率电感.pdf PS 系列功率电感.pdf 军品功率电感器系列.pdf
甚高频贴片电感.pdf 绕线型片式电感器.pdf 铁氧体叠层片式电感.pdf 11 个文件 3,741,581 字节-BTC coil series BTC Coils.pdf FHW Wound Chip Inductors. Pdf LBS series power inductors. Pdf MS series of power inductors. Pdf PB Series power inductors. Pdf PIO series power inductors. Pdf PS series power inductors. Pdf military power inductors series. pdf VHF Chip Inductor. pdf Wound Chip Inductors. pdf laminated ferrite chip inductor. pdf 11 files 3,741,581 bytes
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Size: 2864128 |
Author: yangbin |
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Description:
MAX7044是基于晶振PLL 的VHF/UHF发射器芯片，在300 MHz～450 MHz频率范围内发射OOK/ASK数据，数据速率达到100 kbps，输出功率+13 dBm(50Ω负载)，电源电压+2.1～+3.6 V，电流消耗在2.7 V时仅7.7 mA。工作温度范围一40℃～＋125℃，采用3 mm×3 mm SOT23 - 8封装。
MAX7033是一个完全集成的低功耗CMOS超外差接收器芯片，接收频率范围在300 MHz～450 MHz的ASK信号。接收器射频输入信号范围从一114 dBm-0dBm。MAX7033芯片内部包含有LNA、差分镜像抑制混频器、PLL、VCO、10.7 MHz IF限幅放大器、AGC、RSSI、模拟基带数据信号恢复等电路。工作电压+3.3 V或+5.0V，250μs启动时间，低功耗模式电流消耗<3.5μA，工作温度-40℃～＋105℃，采用TSSOP-28和薄形QFN-EP* *-32封装。
MAXT044发射器芯片与接收器芯片MAX7033配套，适合汽车遥控、无键进入系统、安防系统、车库门控制、家庭自动化、无线传感器等应用。
-MAXT044发射器芯片与接收器芯片MAX7033配套，适合汽车遥控、无键进入系统、安防系统、车库门控制、家庭自动化、无线传感器等应用。
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Size: 173056 |
Author: backoff |
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Description: acars信号解调器，可实现解调和解码，可处理音频文件和声卡进行实时处理-acars demodulator for vhf
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Size: 11264 |
Author: zhang bin |
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Description: implementation of MMI and intermodule communication in vhf or uhf tranciever
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Size: 7168 |
Author: Ayesha |
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Description: AWR功率放大器设计流程,根据Freescal的MRF9045设计VHF频段功率放大器-AWR PA design flowchar
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Size: 468992 |
Author: wang |
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Description: 原创资料：大家在使用VISIO的时候一定有这样的经历吧：想找一个图，却怎么也不记得在那个分类下了。所以我干脆把VISIO 2003下的所有图都放在一个文档中了，这样找起来可就方便多了！这可是原创的哦，第一次公开发表！
下面是一部分目录：
Visio 2003形状大全
1. Web图表
1.1. 网站图形状
1.2. 网站总体设计形状
2. 地图
2.1. 道路形状
2.2. 地铁形状
2.3. 交通形状
2.4. 路标形状
2.5. 三维方向图形状
2.6. 娱乐形状
3. 电气工程
3.1. VHF-UHF-SHF
3.2. 半导体和电子管
……
17. 组织结构图
17.1. 组织结构图形状
-Original data: VISIO all the time in the use of this experience must have it: find a map, but do not remember how was in that classification. So I simply VISIO 2003 all plans are in a document, so may find it much more convenient! Oh, this is original, first published! The following is part of the directory: Visio 2003 Shapes Book 1. Web chart 1.1. Site map the shape of 1.2. Web site design shape 2. Map 2.1. Road shape 2.2. MTR 2.3 shape. Traffic shape 2.4. Signpost the shape of 2.5. Three-dimensional shape pattern 2.6 . Entertainment shape 3. Electrical Engineering 3.1. VHF-UHF-SHF 3.2. semiconductors and electron tubes ... ... 17. Organization Chart 17.1. organization chart shapes
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Size: 3897344 |
Author: 周善人 |
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Description: 该模型是基于实地测量的即以准平坦地形、大城市市区的中值场强或路径损耗作为参考，对其他传播环境和地形条件等因素分别以校正因子的形式进行修正，用来预测地面移动系统信号的强度。其频率适用范围是150MHz到1000MHz的UHF/VHF频带。目前使用的主要频段资源为800~900MHz。这一频段，在相对平坦区域，一般可应用Okumura-Hata传播模型。Hata提供了对这些数据的解析逼近，并捕捉到大部分的主要影响-The model is based on field measurements of the quasi-flat terrain, large cities in the urban field strength or path loss values as a reference for other dissemination of environmental and topographic conditions and other factors correction factor respectively in the form of amendments to be used to predict the ground mobile systems the signal strength. The frequency range is 150MHz to 1000MHz for the UHF/VHF band. The main bands currently used resources for the 800 ~ 900MHz. The band, in the relatively flat areas, generally can be applied to Okumura-Hata propagation model. Hata provides these data analytic approaches, and to capture most of the major impact
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Size: 23408640 |
Author: gudeyi |
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Description: Hardware reference for UVD1 VHF/UHF unit
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Size: 3938304 |
Author: SurikAAt |
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Description: VHF data link in CNS/ATM
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Size: 1273856 |
Author: Thành |
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Description: The purpose of this chapter is to familiarize the reader with the basic propagation
characteristics that describe various wireless communication channels, such as
terrestrial, atmospheric, and ionospheric for VHF to the X-band. Well-known
standards in wireless communication [1–10] are introduced for the prediction of path
losses and fading effects of any radio signal in various communication links, and
finally, new possibilities that can be obtained using smart antennas are discussed
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Size: 1024 |
Author: jafar |
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Description: The purpose of this chapter is to familiarize the reader with the basic propagation
characteristics that describe various wireless communication channels, such as
terrestrial, atmospheric, and ionospheric for VHF to the X-band. Well-known
standards in wireless communication [1–10] are introduced for the prediction of path
losses and fading effects of any radio signal in various communication links, and
finally, new possibilities that can be obtained using smart antennas are discussed
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Size: 1024 |
Author: jafar |
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Description: The purpose of this chapter is to familiarize the reader with the basic propagation
characteristics that describe various wireless communication channels, such as
terrestrial, atmospheric, and ionospheric for VHF to the X-band. Well-known
standards in wireless communication [1–10] are introduced for the prediction of path
losses and fading effects of any radio signal in various communication links, and
finally, new possibilities that can be obtained using smart antennas are discussed
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Size: 1024 |
Author: jafar |
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Description: 有关米波雷达信号处理的、涉及阵列信号处理方面的，CNKI引用频次最高的论文集-VHF radar signal processing, involving the array signal processing, CNKI reference to the highest frequency of Proceedings
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Size: 26108928 |
Author: devin |
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Description: 仿真VHF控制盒的研制，仿人形机器人，基于MSP430的应用，文件中包含应用说明，源代码，PCB设计-Simulation VHF control box developed humanoid robot, based on the MSP430 application, the file contains application notes, source code, PCB design
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Size: 1581056 |
Author: Lucas Wu |
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Description: 基于波瓣分裂的米波雷达低仰角测高方法及其应用-Lobe split VHF radar altimetry method of low elevation and its application
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Size: 199680 |
Author: lee |
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Description: SWR meter for test VHF output power and test antenn.
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Size: 7168 |
Author: Andr |
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