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Description: CRF19T,27MHZ多信道FM/FSK.
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Size: 80819 |
Author: yzldhg |
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Description:
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Size: 80896 |
Author: |
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Description: Ti 公司低功耗RF芯片选型资料.其中有13.56-27MHz,300-1000MHz ,2.4GHz等等芯片选型参考-Ti low-power RF chip companies Selection information. Among them, 13.56-27MHz ,300-1000MHz, 2.4GHz chip, etc. Selection of reference
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Size: 4684800 |
Author: xiaole |
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Description: （1）完整的FSK 收发器
（2）工作于433MHz免费 ISM频段(430.24-439.75MHz)，也可以
工作于900.72-929.27MHz的频段
（3）最大发射功率17dBm
（4）接收灵敏度高达-115 dBm
（5）传输速率最大128Kbps
（6）FSK频偏可编程(15~240KHz)
（7）接收带宽可编程(67~400KHz)
（8）SPI 兼容的控制接口，低功耗任务周期模式，自带唤醒定
时器
（9）低的接收电流(18.5mA)，最大发射功率时的电流：73mA
（10）空旷通讯距离可达800米以上（波特率9.6Kbps）
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Size: 159744 |
Author: hyqzh |
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Description: This a SPI for DE_2 board.The file sampling frequency is 20Khz and board frequency used by this 27Mhz.The slaver chip is MCP2302 working under 3.3V.Finally the input analogue voltage for CH0 is between 0V and 3.3V -This is a SPI for DE_2 board.The file sampling frequency is 20Khz and board frequency used by this 27Mhz.The slaver chip is MCP2302 working under 3.3V.Finally the input analogue voltage for CH0 is between 0V and 3.3V.The specific report is also included in it
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Size: 1681408 |
Author: wei chenghao |
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Description: 没用过你说的那种VC3165 智能频率计,27MHz的频率有点高，可以用100M的显波器看，一般的设备搭上去可能会改变频率，要不就拿个接收的试，调到接收器能收的到那就是27MHz了-You say that s the VC3165 intelligence frequency plan, and the frequency of MHz a little high, can use of 100 M show filter is look, general equipment take up may change frequency, or take a receiving try, to transfer to the receiver receive to that is 27 MHz
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Size: 185344 |
Author: 杨旭 |
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Description: Altera的EP2C5Q208C8芯片上跑通，后端接tw2880芯片输出上TV，进行验证无误。
i_pclk是27Mhz输入时钟，o_pclk是27Mhz输出时钟；i_clkin是笔者用的开发板50Mhz时钟，只用于生成稳定的复位信号。-Ran on Altera' s EP2C5Q208C8 chip pass, after termination tw2880 chip output on the TV, to verify correct. i_pclk 27Mhz input clock, o_pclk 27Mhz output clock i_clkin author development board 50Mhz clock, only used to generate stable reset signal.
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Size: 2048 |
Author: daxws |
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Description: 27Mhz的无线鼠标的设计，非常适合于现在信息发达的时代-27Mhz wireless mouse design, ideally suited to the era of information developed
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Size: 582656 |
Author: 李超 |
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Description: 本例介绍如何使用ADC3和DMA，从ADC3到存储器不断传输转换后的数据。
该ADC3配置为连续转换ADC_CHANNEL_8。
每次转换结束时的DMA传输，在循环模式下，
从ADC3 DR转换后的数据注册到uhADCxConvertedValue变量。
该uhADCxConvertedValue读值编码为12位，VREF +基准电压连接
在董事会到VDD（+ 3.3V）时，Vref-之间的参考电压连接在电路板到地面。
要转换的电压读取值，这里是方程适用于：
电压= uhADCxConvertedValue *（VREF + - VREF-）/（2 ^ 12）= uhADCxConvertedValue * 3.3 / 4096
在这个例子中，系统时钟是216MHz，APB2 = 108MHz的和ADC时钟= APB2 / 4。
因为ADC3时钟是27MHz和采样时间被设定为3个周期，在转换
时间12bit的数据是12个周期所以总的转换时间为（12 + 3）/ 27 = 0.56us（1.57Msps）。
用户可以通过应用引脚PF10连接到Arduino的CN5针A1的输入电压改变ADC_CHANNEL_8电压。
STM32评估板的LED可用于监控传输状态：
- LED1为ON时，转换完成。
- 当初始化错误发生LED1闪烁。-This example describes how to use the ADC3 and DMA to transfer continuously
converted data ADC3 to memory.
The ADC3 is configured to convert continuously ADC_CHANNEL_8.
Each time an end of conversion occurs the DMA transfers, in circular mode, the
converted data ADC3 DR register to the uhADCxConvertedValue variable.
The uhADCxConvertedValue read value is coded on 12 bits, the Vref+ reference voltage is connected
on the board to VDD (+3.3V), the Vref- reference voltage is connected on the board to the ground.
To convert the read value in volts, here is the equation to apply :
Voltage = uhADCxConvertedValue* (Vref+- Vref-)/(2^12) = uhADCxConvertedValue* 3.3/4096
In this example, the system clock is 216MHz, APB2 = 108MHz and ADC clock = APB2/4.
Since ADC3 clock is 27 MHz and sampling time is set to 3 cycles, the conversion
time to 12bit data is 12 cycles so the total conversion time is (12+3)/27 = 0.56us(1.57Msps).
User can vary the ADC_CHANNEL_8 voltage by app
Platform: |
Size: 53248 |
Author: liu |
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Description: Controlling a 27mhz remote control car with AD9850 and arduino uno
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Size: 1024 |
Author: ua9mgm |
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Description: WS2812B的驱动，采用STC15W401AS作为硬件环境，27MHz-WS2812B driver, using STC15W401AS as the hardware environment, 27MHz
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Size: 3072 |
Author: 刘海 |
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Description: 实现CDCE913第一端口输出27MHz频率的初始化程序。(CDCE913 initialization of the first port 27MHz frequency program.)
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Size: 1024 |
Author: 笑声依旧
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