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低频数字式相位测量仪;
此系统由相位测量仪、数字式移相信号发生器和移相网络三部分组成。为使系统更加稳定,使系统整体精度得以保障,本电路两块T89C52为核心...
低频数字式相位测量仪;
此系统由相位测量仪、数字式移相信号发生器和移相网络三部分组成。为使系统更加稳定,使系统整体精度得以保障,本电路两块T89C52为核心控制器件分别控制相位测量、数字式移相信号发生,在数字式移相信号发生部分采用了锁相技术、CPLD等技术, 使输出波形精度大大提高,并可对频率自动校验,提高频率稳定性。-low-frequency digital phase-measuring instrument; This system consists of phase-measuring instrument, digital phase shifting generator and phase three network components. To make the system more stable, the overall accuracy of the system can be protected, the two T89C52 circuit control devices at the core respectively phase measurement control, digital believe the shift occurred, the digital shift occurred some believe that the use of lock-in technologies, such as CPLD technology, the output waveform accuracy greatly improved, and can automatic calibration frequency, frequency stability.
- 2022-12-21 08:00:03下载
- 积分:1
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tlc1549驱动(C代码),测试可用!
tlc1549驱动(C代码),测试可用!-tlc1549 drive (C code), test available!
- 2022-02-20 21:21:24下载
- 积分:1
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图形 LCD_AT89S52
这是嵌入式 c 代码为图形液晶屏显示 A、 B、 C、 D 字符。
- 2023-05-18 15:55:03下载
- 积分:1
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wince下drve驱动测试程序大家学习使用
wince下drve驱动测试程序大家学习使用-wince under drve driving test procedures we use to study
- 2022-05-09 03:51:38下载
- 积分:1
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1 线 (单行) 通信 (使用 DS1990A) 中的应用
1 线 (单行) 通信 (使用 DS1990A) 中的应用
- 2023-05-16 21:45:02下载
- 积分:1
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CML公司的DE9901开发板
应用背景The CMX990 provides, on-chip: a flexible, formattable GMSK packet and freeformat modem, a dual synthesiser fed from an external source, IF and RF transceiver stages for both Rx and Tx modes, and auxiliary ADCs and DACs for system control and monitoring.关键技术Operating in the range of 400MHz to 1GHz at data rates of 4 to 16 kbps.
This single-chip, half-duplex device requires a minimum of external components, keeping end-product board size, power consumption and cost to an absolute minimum.
The versatile GMSK modem is configured for either packet and freeformat data operation via an efficient task-oriented Rx and Tx format and command structure combined with data scrambling, interleaving and FEC and CRC capabilities.
Rx data acquisition, extraction and tracking functions use Rx data-quality feedback to support varying signal environments. IF and RF functions in the Tx path handle all the signal processing requi
- 2022-02-04 17:09:35下载
- 积分:1
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D12USB驱动程序
D12USB驱动程序--Driver program for D12 USB.
- 2022-10-07 19:30:03下载
- 积分:1
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老外为HGE写的扩展GUI,HGE自带的GUI实在少的可怜,不过扩展性比较好,如果想自己扩展,可以参考。...
老外为HGE写的扩展GUI,HGE自带的GUI实在少的可怜,不过扩展性比较好,如果想自己扩展,可以参考。-HGE foreigner to write an extension for GUI, HGE is少的可怜own GUI, but the scalability is better, if you want to expand their own reference.
- 2022-05-05 00:13:20下载
- 积分:1
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BlueCore2
BlueCore2- Flash Data Sheet
- 2022-05-14 17:56:50下载
- 积分:1
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LCD initializ
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- 2022-04-26 19:51:16下载
- 积分:1