标题: 微波模块10.525Ghz中心频率辐射发射测试 [打印本页] 作者: yiming_san 时间: 2011-12-1 10:36 标题: 微波模块10.525Ghz中心频率辐射发射测试 我司有一款微波模块10.525Ghz中心频率,需要按EN300440标准测试辐射发射,深圳这边说没有这么高频率 的接收机?至少要10倍频程的接收机,即100G,即做不了,我想问一下,辐射发射频段与接收机频率的计算公式是怎样的?多大频率的接收机可以接收到该辐射源?作者: Naomi 时间: 2011-12-2 17:03
EN 300 440 V1.6.1 規定1 p+ X5 j6 L# k4 ~2 ^% c3 |; W. O
For carrier frequencies in the range 1 GHz to 20 GHz the frequency of the measuring receiver shall be adjusted . v. i$ ?! H( v- hover the frequency range 25 MHz to 10 times the carrier frequency, not exceeding 40 GHz. For carrier4 B- H& ?* p% {# U. H5 Y
frequencies above 20 GHz the measuring receiver shall be tuned over the range 25 MHz up to twice the carrier# s4 r* {! @- O1 q, O/ N
frequency, not exceeding 66 GHz.2 ~2 z$ F% C/ y% V2 A+ t