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FU-811A Shuguang tube

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Item#: AMTB0032
$16.5 (unit price)
Weight:0.135KG Quantity:

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Features and Specifications
       
811(FU-811)
直热式钍-钨阴极高μ管三极管811用于高频振荡功率放大。811与811A相似,可以互换使用。
 


灯丝加热
Uf …………………………6.3 V
If……………………………4 A

极限额定值
阳极电压……………………1250 V
阳极电流……………………125 mA
阳极耗散功率………………40 W
栅极电流……………………50 mA
工作频率与阳极电压
当工作频率在30MC以上时,阳极工作电压及阳极输入功率将适时按下表下调:

工作频率(MC) 阳极电压和阳极输入功率
60        89%
80        70%
100       55%

在连续工作时阳极不允许有微红,当间歇工作时,阳极只能有刚刚可察觉到的微红。

极间电容
输入电容……………………5.5 PF
输出电容……………………0.6 PF
跨路电容……………………5.5 PF

静态参数:
Ua………………………2000 V
-Ug………………………2 V
Ia………………………26 mA
μ(在Ia=20 mA) ………160 mA







其他工作状态下的极限额定值
R-F功率放大或振荡,C类放大(CW)
CCS ICAS
Ua……………………………1250 1500 V
Ia……………………………175 175 mA
Pa……………………………45 65 W
Pa(in)………………………175 260 W
Ug……………………………-200 -200 V
Ig……………………………55 50 mA

C类放大阳极调制,R-F功率放大
CCS ICAS
Ua……………………………1000 1250 V
Ia……………………………125 150 mA
Pa……………………………30 45 W
Pa(in)………………………115 175 W
Ug……………………………-200 -200 V
Ig……………………………50 50 mA
CCS:连续工作
ICAS:间歇工作

 

 

A- F功率放大或调制
B类放大,栅极激励
极限额定值
CCS ICAS
Ua……………………………1250 1500 V
Ia(max.sig)………………175 175 mA
Pa ……………………………45 65 W
Pa(in)(max.sig) …………165 235 W

推荐工作状态(参考值)
(两管的值)
CCS ICAS
Ua……………………………1250 1500 V
Ug……………………………0 -4.5 V
Ia(0)………………………50 32 mA
Ia(max.sig)………………260 313 mA
üg(pk)……………………145 170 V
Pd(max.sig) ……………3.8 4.4 W
RL(a-a)……………………12.4 12.4 kΩ
Pout(max.sig)…………235 340 W


 
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