進口E2V電子管
1.21.103(oscillator tube) Triode
The 1.21.103 is a water-cooled power triode of coaxial ceramic/metal construction, intended prilimarily for industrial services. It has a integral water jacket.
Anode dissipation: 80 Kw max
Anode voltage: 14.4 Kv max
Frequency for full callings: 30 Mhz max
Output power (class Oscillator, less drive): 20Kw
General
Filament: `
thoriumed tungsten Filament voltage: 2.2V
Filament current: 55A
Surge filament current (peak): 1500A
Filament cold resistance: 5.3mΩ
Peak usable cathode current: 106A
Amplification factor (Va=10Kv,La=8.0A): 30
Mutual conductance (Va=10Kv,La=8.0A: 150Ma/v
Inter-electrode capacitances:
Grid toanode: 55uF
Grid to filament: 170nF
Anode to filament: 2.7Pf
Mechanical:
Overall length: 400mm/NAX
Overall diameter: 191mm/MAX
Net weight: 10Kgs
Mounting position: vented, anode down
Maximum ratings (Absolute value)
Frequency: 30Mhz
Anode voltages: 14.4 Kv max
Anode input power: 220Kw max
Anode dissipation: 80Kw max
Grid voltage(negative value): 2.0Kv max
Grid current:
On load: 4.0A max
Off load: 5.6 A max
Grid dissipation: 2.0 Kw max
Grid circuit resistance: 10kΩ
Cathode current: 22A max
Typical operation conditions
Frequency: 30-30Mhz
Anode: voltage: 12-10 Kv
Anode current: 13-16A
Anode dissipation: 32.5-36 Kw
Grid voltage: -692 - -700 V
Grid resistor: 330-200Ω
Grid current, on load: 2.7-3.5 A
Grid current, off load: 3.5-4.8 A
Grid dissipation: 1.1-1.5Kw
Feedback ratio: 11-12%
Drive power: 3.5-4.0Kw
Output power: 123.5-124 Kw
Efficiency: 79.2-77.6%
Oscillator output power: 120-120Kw
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