Technical Discuss

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在测量离板信号线的传导骚扰时，发现在两个特定频点（一个是 659K 另一个是 1.977K）上由两个很大的噪声信号。初步分析是由于板上的开关电源芯片引起的，如何 Category: Technical Discuss Topic started 25 Oct 2020 12:54, by btt Last Post 25 Oct 2020 12:54 by btt	Replies:0 Views:788	Last Post by btt 25 Oct 2020 12:54
如何在模拟电路用好数字示波器，比如测音频放大器的小信号，电源的杂波等？ Category: Technical Discuss Topic started 25 Oct 2020 12:53, by btt Last Post 25 Oct 2020 12:53 by btt	Replies:0 Views:779	Last Post by btt 25 Oct 2020 12:53
使用一台标称100MHz 的DSO 示波器，测量一个高频开关幅值400V，f=50M，示波器如何描绘出它的波形和上升时间？ Category: Technical Discuss Topic started 25 Oct 2020 12:53, by btt Last Post 25 Oct 2020 12:53 by btt	Replies:0 Views:744	Last Post by btt 25 Oct 2020 12:53
如何用TDS3052B 测量载波频率为几十K，调制波频率为电源频率的已调波的最大值？ Category: Technical Discuss Topic started 25 Oct 2020 12:52, by btt Last Post 25 Oct 2020 12:52 by btt	Replies:0 Views:634	Last Post by btt 25 Oct 2020 12:52
使用数字示波器时，对B 触发和触发电平的设置与被测信号有什么原则？ Category: Technical Discuss Topic started 25 Oct 2020 12:52, by btt Last Post 25 Oct 2020 12:52 by btt	Replies:0 Views:550	Last Post by btt 25 Oct 2020 12:52
示波器能否进行滤波处理？如对PWM 波进行低通滤波？ Category: Technical Discuss Topic started 25 Oct 2020 12:52, by btt Last Post 25 Oct 2020 12:52 by btt	Replies:0 Views:509	Last Post by btt 25 Oct 2020 12:52
测量系统的总带宽如何获得？ Category: Technical Discuss Topic started 25 Oct 2020 12:51, by btt Last Post 25 Oct 2020 12:51 by btt	Replies:0 Views:544	Last Post by btt 25 Oct 2020 12:51
示波器指标中的带宽如何理解？ Category: Technical Discuss Topic started 25 Oct 2020 12:51, by btt Last Post 25 Oct 2020 12:51 by btt	Replies:0 Views:513	Last Post by btt 25 Oct 2020 12:51
TDS3032B 的带宽是 300MHz，采样频率为 2.5G/s，采样频率为带宽的 8 倍。请问带宽和采样频率之间有什么固定关系？我们也有一款其它厂家的示波器 Category: Technical Discuss Topic started 25 Oct 2020 12:51, by btt Last Post 25 Oct 2020 12:51 by btt	Replies:0 Views:483	Last Post by btt 25 Oct 2020 12:51
在示波器上看波形时，用外触发和自触发来看有何区别？ Category: Technical Discuss Topic started 25 Oct 2020 12:50, by btt Last Post 25 Oct 2020 12:50 by btt	Replies:0 Views:511	Last Post by btt 25 Oct 2020 12:50
由于可能需要引入外界的时钟，这样时钟存在2 选1的问题，此时用什么方案才能使相位噪声的恶化最小？ Category: Technical Discuss Topic started 25 Oct 2020 12:47, by btt Last Post 25 Oct 2020 12:47 by btt	Replies:0 Views:559	Last Post by btt 25 Oct 2020 12:47
对时钟的相位噪声参数的要求很高的设计，怎样测量相位噪声？ Category: Technical Discuss Topic started 25 Oct 2020 12:47, by btt Last Post 25 Oct 2020 12:47 by btt	Replies:0 Views:556	Last Post by btt 25 Oct 2020 12:47
对时钟的相位噪声参数的要求很高的设计，需要考虑哪些关键性的问题来降低相位噪声？ Category: Technical Discuss Topic started 25 Oct 2020 12:47, by btt Last Post 25 Oct 2020 12:47 by btt	Replies:0 Views:510	Last Post by btt 25 Oct 2020 12:47
PCB 板上的高速信号特征：XAUI 接口3.125GBd 串行差分信号：60ps，请问需要多高带宽的示波器才能精确测量？测量误差可达多少？ Category: Technical Discuss Topic started 25 Oct 2020 12:46, by btt Last Post 25 Oct 2020 12:46 by btt	Replies:0 Views:479	Last Post by btt 25 Oct 2020 12:46
怎样用示波器测量出 USB 总线上的差分信号？ Category: Technical Discuss Topic started 25 Oct 2020 12:46, by btt Last Post 25 Oct 2020 12:46 by btt	Replies:0 Views:534	Last Post by btt 25 Oct 2020 12:46
如何使用示波器测量差分信号 Category: Technical Discuss Topic started 25 Oct 2020 12:45, by btt Last Post 25 Oct 2020 12:45 by btt	Replies:0 Views:514	Last Post by btt 25 Oct 2020 12:45
What's new with Bluetooth 5? Category: Technical Discuss Topic started 19 Sep 2020 11:25, by btt Last Post 19 Sep 2020 11:25 by btt	Replies:0 Views:610	Last Post by btt 19 Sep 2020 11:25
Join the Bluetooth community today! Category: Technical Discuss Topic started 03 Sep 2020 13:18, by btt Last Post 03 Sep 2020 13:18 by btt	Replies:0 Views:617	Last Post by btt 03 Sep 2020 13:18
欢迎各技术大咖加盟合作 Category: Technical Discuss Topic started 12 Aug 2020 10:37, by btt Last Post 12 Aug 2020 10:37 by btt	Replies:0 Views:626	Last Post by btt 12 Aug 2020 10:37