1.Vacuum valve & power tube tetrode 2.40 years of professional experience for electro valve 3.Electron tube TH382 TETRODE

Electron Tube   FC307F_2015_TH382 UHF TETRODE

  

Peak-of-sync output power in combined amplification: 5.25 kW

Peak-of-sync output power in vision carrier amplification: 11 kW

  

General characteristics

Cathode                     thoriated tungsten

Heating                     direct, DC or single phase AC

Filament voltage                4.2 V (1)

Filament current               125A (1)

Interelectrode capacitances, approx,:

   Cathode-control grid        72pF

   Control gird-screen grid   93pF

   Screen gird-anode         13.2pF

Transconductandce (la=1.5A, Ug2=600V)     80mA/V

Internal amplification factor, average    8

Operating position                         vertical

Weight, approx.                              7kg   

Anode cooling (2)                         forced air

   Air flow, min.                          13000L/min

   Corresponding pressure drop       800Pa

   Temperature at air outlet, max.     100

Cooling at the sealing between electron terminal and ceramic   forced air

Temperature on the surface of the tube, max    300

Maximum ratings

Frequency                         1000 MHz

Anode voltage                    6.5 kV

Anode current                    4.5A

Anode dissipation              12.5kW

Control-grid dissipation       50W

Screen-grid dissipation       120W

Typical operation

                                Combined amplification     Vision only

Frequency                                    800               800      MHz

Peak-of-sync output power             5.25              11       kW

Band width (-1dB)                          8                   6        MHz

Intermodulation distciton                -52                 -        dB

Gain                                            15.5             15.4      dB

Anode voltage                               5.5                5.5       kV

Screen-grid voltage                        600               600        V

Anode current, with signal              2.7               3.25       A

Anode current, at zero signal          1.5               1.2       A

Control-grid current                        10                 5       mA

Screen-grid current                        30                30       mA

Electron tube TH382_FC307F UHF TETRODE