标题: 请教大神47CFR part15C 247中b章节第4条款以下内容怎么理解 [打印本页] 作者: jansle_happy 时间: 2020-11-16 10:10 标题: 请教大神47CFR part15C 247中b章节第4条款以下内容怎么理解 请教大神47CFR part15C 247中b章节第4条款以下内容怎么理解4 B4 A& N5 d) b. n
(b) The maximum peak conducted output power of the intentional radiator shall not exceed the following:8 [4 j1 H% Q7 ~5 h6 n( H/ }! v) J$ i- ?
. @* K- W4 F ^# \9 P2 ^
(4)The conducted output power limit specified in paragraph (b) of thissection is based on the use of antennas with directional gains that do notexceed 6 dBi. Except as shown in paragraph (c) of this section, iftransmitting antennas of directional gain greater than 6 dBi are used, theconducted output power from the intentional radiator shall be reduced belowthe stated values in paragraphs (b)(1), (b)(2), and (b)(3) of this section, asappropriate, by the amount in dB that the directional gain of the antennaexceeds 6 dBi.7 b5 h P' {' s* y" n
- G6 R$ t% `8 @) m/ f/ _2 k8 X$ Q 作者: shmily7718 时间: 2020-12-24 08:17
DG不超过6db时，功率限值就是表格中的限值；DG超过6，那么超过多少，限值需要相应回退多少，比如说DG是8，那么功率就需要减去2dbm，最高不能超过28dbm。4 n# T' B h; p1 b; F0 }7 v
DG的算法可以看KDB 662911作者: jansle_happy 时间: 2020-12-24 09:10
