GU-35B

GU-35B

General

Pulse modulator tetrode.
Envelope: metal-to-glass.
Cooling: forced air.
Mass 2.5 kg.

Lead diagram

General characteristics

Filament voltage, Volt 6.3

Anode voltage, Volt 1000

2^nd grid voltage, Volt 800

Plate current, mA 1000

Filament (heater) current, A 34±4

Plate current, A 1.8±0.5

Reverse 1^st grid current, mkA no more than 50

1^st grid voltage, Volt no more than - 100

Mutual conductance, mA/V 24 to 31

Gain coefficient of 1^st grid in relative to 2^nd grid 11±2

Inter electrode capacitance, pF:

input

56

output 6

transfer 0.7

Operation time, h more than 2000

Limited operating values

Filament voltage, V 6.2 to 6.7

Anode voltage, V 5000

2^nd grid voltage, V 900

Anode dissipation, W 3500

1^st grid dissipation, W 45

2^nd grid dissipation, W 110

Operating frequency 250 MHz

Plate-grid and plate curves

Filament voltage, Volt	6.3
Anode voltage, Volt	1000
2^nd grid voltage, Volt	800
Plate current, mA	1000

Filament (heater) current, A	34±4
Plate current, A	1.8±0.5
Reverse 1^st grid current, mkA	no more than 50
1^st grid voltage, Volt	no more than - 100
Mutual conductance, mA/V	24 to 31
Gain coefficient of 1^st grid in relative to 2^nd grid	11±2
Inter electrode capacitance, pF: input	56
output	6
transfer	0.7
Operation time, h	more than 2000

Filament voltage, V	6.2 to 6.7
Anode voltage, V	5000
2^nd grid voltage, V	900
Anode dissipation, W	3500
1^st grid dissipation, W	45
2^nd grid dissipation, W	110
Operating frequency	250 MHz