TH328_FC620F UHF TRIODE
Peak-of-sync output power in combined amplification: 100w
General characteristics
|
Cathode
|
oxide
|
Heating
|
indirect
|
|
Filament voltage
|
5.5V
|
Filament current
|
5.4 A
|
|
Interelectrode capacitances (cathode earthed), approx.
|
Cathode-control grid
|
8.2 pF
|
|
|
Cathode-screen grid
|
19 pF
|
||
|
Cathode-anode
|
0.07 pF
|
||
|
Transconductance
(la=0.4A, Ua=1800 V)
|
≥ 80mA/V
|
Temperature on the surface of the tube, max.
|
250℃
|
|
Temperature at air outlet, max.
|
100℃
|
amplification factor, average
|
180
|
|
Anode cooling
|
forced air
|
Weight, ( approx. )
|
950 g
|
|
Air flow, min.
|
500 L/min
|
Operating position
|
any
|
Maximum ratings
|
Frequency
|
1000 MHz
|
Anode voltage
|
2.2 kV
|
|
Anode current
|
0.6 A
|
Anode dissipation
|
750 W
|
Typical operation
|
Combined amplification
|
|
|
Frequency
|
780 MHz
|
|
Peak-of-sync output power
|
100 W
|
|
Bandwidth (-1dB)
|
8 MHz
|
|
Intermodulation distortion
|
≤ -52 dB
|
|
Gain
|
20 dB
|
|
Anode voltage
|
108 kV
|
|
Anode current (at zero signal)
|
0.4 A
|
(1) The operating heater voltage must be defined according to each particular situation.
As an indication for equipment design purposes only, a given heater voltage of 5.5V produces a given heater current of 5.4A.
(2) Values for cooling given for maximum anode dissipation.