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msi sdr
GiroPetrenko
4年3个月前
回复于
无线电
内容:(不知道对
射频
有没有很大的影响)
我也来仿制SDRPLAY【持续更新中】
GiroPetrenko
4年3个月前
回复于
无线电
内容:没有画过高度集成的pcb,也没有好好画过
射频
,所以呵呵呵了
【KS-5C】第一部分 扫频信号源 介绍以及实现
GiroPetrenko
4年2个月前
回复于
极客DIY
电子技术
内容:又来发愁了(
射频
部分)。。。
求教一些射频阻抗匹配的问题
虎哥
4年5个月前
回复于
晶体养成所
内容:由于馈入
射频
的目地是为了维持稳定的等离子体,因此显然应当按照等离子体存在时的阻抗来设计,同时要保证失配状态下,等离子体能够被引发。,驻波是标量参数,测试要容易一些,比如采用大功率通过式驻波表,
射频
源通常也内置了驻波测试功能。,另外,从描述猜测,你的应该是13.56MHz的
射频
等离子体设备,并不是MPCVD设备。
经典数字万用表HP3456A拆解高清多图 by TAAT
虎哥
9年10个月前
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仪器仪表
拆机鉴赏
内容:(
射频
上如果走传输线,当然短些损耗小) 而现在,走什么线是可以仿真的,许多时候仿出来就是要走直角线好 为了电磁兼容好,同层最好同向布线,通孔直角跨层。
【求助】特斯拉线圈,磁环反馈无法起振,请大侠帮忙看看
wzg640
6年2个月前
发表于
高电压技术
内容:天线反馈时,有闪电,辐
射频
率为377KHz。,稳定后波形细节如下辐
射频
率变为415KHz。
火焰强劲的HFSSTC高频特斯拉线圈实验之(二)
joyeep
13年8个月前
发表于
高电压技术
内容:这次是纯观赏贴,因为有强列的
射频
危害我不打算公开电路。,
射频
辐射危害很大,也希望大家看看就好,不要尝试。
射频仪器三大件的产品趋势探讨
.........
2年5个月前
回复于
仪器仪表
内容:KC901不就是号称
射频
万用表.用来用去还是频谱和信号源两个功能用的最多.
取代RTLSDR的新型SDR项目,msiSDR预研情况
GiroPetrenko
4年3个月前
回复于
无线电
内容:也想仿制一个,这个
射频
前端很适合我,简化工序并降低了成本
WINRADIO G313i/180 无线电接收卡拆解及参观
虎哥
4年8个月前
回复于
无线电
拆机鉴赏
内容:
射频
子板却一股1990年代日本对讲机风格,也是有意思。
DIY简易5.8G FMCW雷达
zx-16533
5年4个月前
发表于
无线电
内容:设计:结构框图: 部分设计参考了XXXXXXXXXXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXml,更换了
射频
放大和基带部分的设计以期实现更高的
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和动态性能,感谢@虎哥提供有关
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性能指标要求的指导。,DEBUG完成的样子: 使用衰减器+同轴线直接连接收发端测试:VCO输入: 混频器输出(经过第一级放大): 经过高通滤波: 末级
射频
功放看起来很烫的样子。。
HackRF One这个软件无线电平台怎样?
分立元件
7年0个月前
回复于
无线电
内容:引用 3goodboy:建议你看看plutosdr这个接收发
射频
率多少,是双工的吗?
回 5楼(霹雳游侠) 的帖子
laser63588
12年11个月前
回复于
电子技术
内容:我直接把
射频
输出通过50欧姆同轴连接到示波器的输入端,比用探头还准。,不过我不敢长时间用示波器的50欧输入挡位,怕烧掉示波器,只有在需要测量
射频
输出的幅度的时候才短时间用50欧姆阻抗输入档位
征集450MHZ信标机方案
S.D.P
10年7个月前
回复于
无线电
内容:200兆瓦
射频
输出是否需要采用十台100MW的压水反应堆提供电力?
[jxs出品~~]RDA5820 FM收发一体机
张静茹
9年9个月前
回复于
电子技术
内容:引用 ※♂土豆♀※:你怎么就没好好看下楼主的话呢,我这是9018的
射频
电路,仔细看下楼主的话: (求一个FM
射频
功放电路,用9018的那种,功率不用太大,) 让这个芯片输出放大一下距离覆盖达到300
符合战猴“退学观”的经典案例:长数同学
虎哥
1年2个月前
发表于
科学技术学
内容:在仪表局期间,设计了不同领域的许多产品,例如小型和中型TC,商品化的电炮(《你好电磁炮》所配套件),KC107的接收机,
射频
功率源,微带模块,
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连接器,天线等,最复杂的项目是非线性结探测器。,他不是学
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的,可以说没有一点
射频
基础,但闭着眼睛转圆图都比我熟练。,做
射频
连接器的时候,最开始驻波不佳。,在西部边陲呆了不到两年后,他返城进了一家芯片公司,自告奋勇从事
射频
芯片设计,收入也增加到20k/m(四年前)。,对
射频
放大芯片的设计,从入门到精通,大约花了半年时间。
拆了个5kw的开关电源 有铜排磁芯 便宜处理给坛友
bg3qai
8年9个月前
发表于
跳蚤市场
内容:拆了个
射频
功放 电源是 3相 200v的 没有那个电压所以拆了 一堆东西 300元不包快递费 电抗是铜排 变压器是 磁芯铜皮
使用ADI的RF DAC制作高端无线军用干扰机
雪馒头
3年3个月前
回复于
无线电
内容:画了两张图纸,里面的差分信号线和
射频
线不多,混频器是无源的
古人科技又出新品 · 4.9GHz数字频率计套件
虎哥
12年0个月前
回复于
会员海报
内容:他的
射频
输入通道直接进的ERA2,这个管子已经保证了阻抗,一般来说不需要专门匹配。
回 3楼(虎哥) 的帖子
拔刀斋
12年3个月前
回复于
无线电
内容:直接上数字功放 [s:178] 过几天上传以前找的PSM调制SSB和delta-sigma
射频
数字功放的论文。
KC901J/K软件缺陷报告跟踪帖
落下面玩跑步
2个月8天前
回复于
仪器仪表
内容:固件版本V0.0.26 执行以下步骤时迹线会乱掉: 开机→RUN→HOME→进入音频信号源→HOME→进入
射频
信号源→HOME→S11 迹线就乱掉了
我也来仿制SDRPLAY【持续更新中】
GiroPetrenko
4年3个月前
回复于
无线电
内容:2.0版本,整理了一下两个ic的周边电路,摧毁了
射频
前端的布线。
这个是僵尸卫星的短波信号吗
liccil
6年0个月前
回复于
无线电
内容:我以前以为是经常有人按发射按键的同时调发
射频
率 看天线驻波
廉价的SDR实现
bg8npk
6年5个月前
回复于
无线电
内容:
射频
走线上没必要上锡吧,上锡之后厚度增加特征阻抗会降低
基于ZYNQ+AD9363的开源SDR硬件
虎哥
3年5个月前
回复于
无线电
内容:既然楼上提到了巴伦,那么考大家一个问题,有人知道AD9361的
射频
输入阻抗(差分阻抗)吗?
开源ZYNQ7010+AD9363 SDR ,软件无线电。
Sin
3年5个月前
回复于
无线电
内容:这个板子每层介质厚度多少啊,
射频
线宽度是按照Top层和Layer1之间介质厚度计算的吗
【KS-5C】第一部分 扫频信号源 介绍以及实现
GiroPetrenko
4年1个月前
回复于
极客DIY
电子技术
内容:与群里一位前辈进行了深入的交流(前辈也在科创哟),逐再次更新扫频源的设计:- 用四层板保证
射频
性能。,- 添加RFSA2023模拟衰减器,这样子此模块就能成为通用的扫频信号源,若是以后做
射频
的项目也能利用起来。
使用ADI的RF DAC制作高端无线军用干扰机
wzh19940105
3年2个月前
回复于
无线电
内容:您这样需要先去学习一下
射频
电路相关知识,不是一两句能说的清的
msi sdr
weiyu
4年3个月前
回复于
无线电
内容:
射频
的阻抗匹配实在是弄不明白。
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