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如何改这样的避雷器 [复制链接]

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离线BG7IPA
 
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3578
只看楼主 倒序阅读 0楼 发表于: 2008-04-25
我有好几个这样的避雷器,功率挺大的750w,是工作在890-980m的,想改到短波。
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离线BG7IPA
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3578
只看该作者 1楼 发表于: 2008-04-25
application:
for the 800 to 980mhz bands where multi-transmitters are combined, excellent receive only protector, broadcast stl links.
employs ul 497b listed gas tube
multi-strike capability
unique dc blocked air strip line design
very low throughput energy
high number and power of combined channels handled
(see appendix b for formula) 750w single channel
bulkhead mounting/grounding to 1/4" panels for type n connectors
not weather resistant
weatherize using wk-1
18-8 stainless steel hardware
n silver shell and gold center pin

mil specs: many - call with requirements



specifications:
surge: 20ka iec 1000-4-5 8/20µs waveform 138 joules
turn-on: 1200 vdc vt = 1800v
turn-on time: 7.0ns for 2kv/ns
vswr: </=1.1 to 1 over frequency range
insertion loss: </= 0.1db over frequency range
throughput energy: 15nj typical for 3ka @ 8/20&micro;s waveform
max. power: 750w single channel (br> (see appendix b for multi-channel capability
temperature: -20oc to +50oc storage/operating
vibration: 1g up to 100hz


order information
is-ct50hn frequency range: 800 to 900 mhz
n female connectors, flange mount

is-ct50hn-b frequency range: 800 to 900 mhz
n female connectors, bulkhead mount

is-ct50hd frequency range: 800 to 900 mhz
din 7/16 female connectors, flange mount

is-ct50hd-b frequency range: 800 to 900 mhz
din 7/16 female connectors, bulkhead mount

is-pt50hn frequency range: 890 to 980 mhz
n female connectors, flange mount
is-pt50hn-b frequency range: 890 to 980 mhz
n female connectors, bulkhead mount

is-pt50hd frequency range: 890 to 980 mhz
din 7/16 female connectors, flange mount

is-pt50hd-b frequency range: 890 to 980 mhz
din 7/16 female connectors, bulkhead mount

add suffix: -ma for male antenna port connector
-me for male equipment port connector
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离线BG8AED
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7574
只看该作者 2楼 发表于: 2008-04-25
一般的避雷器,只标了上限频率的。
离线BG7IPA
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3578
只看该作者 3楼 发表于: 2008-04-25
这个与钻石等的不一样的,可过900m的750w,连接头都是镀银的。图上的虽是没用过的,但接头已黑了。
我试过了,不改不行的,没打开过,好象里面都是很空的
誰能改?--有这东西送喔。
离线weed
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8746
只看该作者 4楼 发表于: 2008-04-25
应该改不了,因为短波段的四分之一波长太长了!
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847
只看该作者 5楼 发表于: 2008-04-25
打开,将里面的两条平行线连接起来即可,我都用了4年半了。
离线BG7IPA
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3578
只看该作者 6楼 发表于: 2008-04-26
'
打开,将里面的两条平行线连接起来即可,我都用了4年半了。
'
平行线是线路板上的吗,用焊锡用焊吗?
平行线连接起来后防雷的作用有无影响?
驻波有影响吗?损耗大吗?
如800m的750w改到短波就是可过2000w了。如可行的话以后就好玩了。