Power - Pentode (NOT beam) ·Pentode
Medium-power transmitting pentode for RF power amplifiers, oscillators, and modulation stages in telecommunications, electro-medical, television, and radiotelephone equipment. A versatile professional RF power tube.
Medium-power transmitting pentode for RF power amplifiers, oscillators, and modulation stages in telecommunications, electro-medical, television, and radiotelephone equipment.
GU-50 keyed 8-pin
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
English text primary; Russian used only to verify/repair OCR.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Transconductance
3000 to 5500 uS
Input Capacitance
13 to 15 pF
Output Capacitance
10.3 pF
max
Transfer Capacitance
0.1 pF
max
Anode Voltage >=6.5m
1000 V
Anode Voltage 5-4.5m
800 V
Anode Voltage 4.5-3.5m
700 V
Anode Voltage 3.5-2.5m
600 V
Maximum Output Power
55 W
Output Power after 1750 h
40 W
Data set 02
Published operating points and test conditions from this source.
Maximum frequency
120 MHz
Input capacitance
14 pF
Output capacitance
9 pF
Grid-plate capacitance
<0.09 pF