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433mhz功放要多少钱？

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433mhz功放要多少钱？

浏览：53次 | 提问时间： 07-29 05:49

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3个答案

在来爱我一回放手也是⒈种爱 07-29 05:49

你可能问的是让315MHZ和433MHZ的发射功率更大一些。回答这个问题，是在高频输出后面加一级或多级高频功放，高频功放制作难度较大，需要大功率高频晶体管，制作时还要考虑到带宽和天线匹配问题。价格是在200-800元左右的

虎躯一震 07-29 05:58

433mhz功放可以增加FSK通信系统的发射距离，使用的时候需要用前级FSK收发板提供两个IO逻辑口来控制本放大器的收发开关。输入19dBm的功率可以得到3W的射频功率输出。大大增加FSK系统的发射功率，从而增加覆盖范围。433mhz功放的价格在200元到800元之间。

遥遥一相逢 07-29 06:06

433mhz功放要300元一个，通常来说这个频率的属于大频率产品，在制作的时候拿督稍大一些，若是选择300mhz的几个可能在100元就够了。

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