811.pdf 데이터시트 (총 3 페이지) - 파일 다운로드 811 데이타시트 다운로드

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Analog Metric Limited
Email: sales@analogmetric.com
Shuguang Vacuum Tube 811
Emitter Tube: 811 (FU-811)
Compatible with: UY-807
DESCRIPTION
Direct heating, thorium cathode, high gain triode 811 can be used in wireless equipment for power
amplification.
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SPECIFICATION
Filament Heating
Uf ………………………6.3V
If………………………….4A
Maximum Ratings
Plate voltage……………………….1250V
Plate power dissipation..……………40W
Plate current………………………..125mA
Grid current………………………….50mA
Capacitance
Input capacitance……………………5.5pF
Output capacitance…………………0.6pF
Muller capacitance……………………5.5pF
DC Parameters
Ua………………….2000V
-Ug…………………….2V
Ia……………………..26mA
u(when Ia=20mA)….160mA
Recommended Operating Condition
(suggested value)
Class B A-F power amplification or
modulation,
for grid trigger, maximum ratings
CCS ICAS
Ua…………………1250 1500V
Ia(max.sig)…………175 175mA
Pa …………….……45 65 W
Pa(in)(max.sig)..…165 235 W
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For two tudes (suggested value)
CCS ICAS
Ua……………………1250 1500V
Ug…………….…………0 -4.5V
Ia(0)……………………50 32mA
Ia(max.sig)……………260 313mA
üg(pk)…………………145 170 V
Pd(max.sig)…………3.8 W 4.4W
RL(a-a)……….…..…12.4 12.4 k
Pout(max.sig)……….…235 340 W
Class C R-F power amplification or
oscillation, maximum ratings for other
operating
CCS ICAS
Ua………………………1250 1500 V
Ia………………………175 175mA
Pa………………………45 65 W
Pa(in)…………………175 260 W
Ug……………………-200 -200 V
Ig………………………55 50mA
Class C R-F amplification and plate
amplification
and modulation
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
CCScontinuous operating
ICASInterrupt operating
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