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Summary parameters of Transmitting Pulse Tubes, we offer.

Type Application Envelope Cooling Size Mass Filament voltage Filament current Mutual conductance Gain coefficient Anode dissipation Maximum anode voltage Maximum operating frequency or wavelength
GI-5B, triode oscillator glass-to-metal forced air 450x180mm 12kg 6.3 V 385 to 465 A 20 to 30 mA/V 20 to 40 6 kW 2.7 kV 200 MHz
GI-6B, UHF triode oscillator metal-ceramic forced air 110x56mm 330g 12.6 V 1.8 to 2.05 A 18 to 26 mA/V   350 W 2.5 kV 18 cm
GI-7B (GI-70B - without heat sink), UHF triode oscillator, amplifier metal-ceramic forced air 110x65mm

(97x47mm)

330g

(170g)

12.6 V 1.8 to 2.05 A 20 to 26 mA/V   350 W 5kV 9 cm
GI-7BT (GI-70BT-without heat sink), UHF triode oscillator, amplifier metal-ceramic forced air 110x65mm

(97x47mm)

330g

(170g)

12.6 V 1.8 to 2.05 A 20 to 26 mA/V   350 W 5kV 9 cm
GI-11B, triode oscillator metal-ceramic forced air 88.5x45mm 120g 12.6 V 0.75 to 0.88 A 8 to 12 mA/V   80W 800V 11 to 100 cm
GI-12B, triode oscillator, amplifier metal-ceramic forced air 88.5x45mm 120g 12.6 V 0.75 to 0.88 A 8 to 12 mA/V   80W 800V 9 cm
GI-13BM (GI-130 - without heat sink), triode oscillator metal-ceramic forced air 89x46mm

(64x26mm)

120g

(60g)

12.6 V 0.6 to 0.7 A 8 to 12 mA/V   80 W 900V 9 cm
GI-15B (GI-150 - without heat sink), triode oscillator, amplifier metal-ceramic forced air 89x45mm

(79x26mm)

120g

(60g)

12.6 V 0.75 to 0.88 A 8 to 12 mA/V   80 W 800V 7 cm
GI-19B, triode oscillator metal-ceramic forced air 220x100mm 2.5kg 7.3 V 17 to 23 A 21 to 33 mA/V   1000W 14000V pulse pulse duration - 10 mks
GI-21B, (GI-210 - without heat sink), triode oscillator, amplifier metal-ceramic forced air 89x45mm

(79x36mm)

120g (60g) 12.6 V 0.83 to -.93 A 23 to 34 mA/V   110 W 800 V 10 cm
GI-22, triode oscillator metal-ceramic air 31x23mm 11g 6.3 V 0.53 to 0.61 A 15 to 18 mA/V   10 W 1 kV 5 cm
GI-23, triode oscillator, amplifier metal-ceramic forced air 113x65mm 380g 12.6 V 2.3 to 2.6 A 26 to 36 mA/V   300 W 14 kV pulse duration - 15 mks
GI-25, triode oscillator titan-ceramic air 37x26mm 25g 6.3 V 0.89 to 1.01 A 18 to 30 mA/V   12 W 1.3 kV 5.5 cm
GI-26A, triode amplifier glass-to-metal forced water 530x182mm 13kg 12.6 V 530 to 590 A 85 to 100 mA/V 28 to 38 60 kW 30kV pulse 25 MHz
GI-26B, triode amplifier glass-to-metal forced air 530x182mm 21kg 12.6 V 530 to 590 A 85 to 110 mA/V 28 to 38 20 kW 30kV pulse 25 MHz
GI-27AM, triode oscillator, amplifier metal-ceramic forced water 345x171mm 11kg 13 V 470 to 550 A 75 to 110 mA/V 26 to 46 25 kW 40kV pulse 200 MHz
GI-30, double beam power tetrode   glass air 110x61mm 125g 12.6 V 1 to 1.25 A     15 W 5 kV  
GI-31, triode oscillator metal-ceramic air 35x26mm 18g 6.3 V 0.9 to 1 A 15mA/V   12 W 2.8 kV 2.1 GHz
GI-39B, triode oscillator, amplifier metal-ceramic forced air 147x100mm 1.2kg 12.6 V 3.4 to 3.9 A 27 to 36 mA/V   440 W 20 kV pulse 25 cm
GI-41, triode oscillator, amplifier metal-ceramic air 45x26mm 36g 6.3 V 1.2 to 1.4 A at least 23mA/V   40 W 3 kV pulse 3 GHz
GI-41-1, triode oscillator, amplifier titan-ceramic air 45x26mm 30g 6.3 V 1.2 to 1.5 A at least 23mA/V 60 to 140 40 W 3.2 kV pulse 3 GHz
GI-42B, triode amplifier metal-ceramic forced air 440x230mm 30kg 14 V 480 to 560 A 70 to 100 mA/V 25 to 35 18 kW 35 kV pulse 200 MHz
GI-46B, triode oscillator, amplifier metal-ceramic forced air 113x65mm 620g 12.6 V 2.3 to 2.6 A 17 to 26 mA/V   350 W 15 kV pulse

1.9 kV average

28 cm
GI-50A, triode amplifier metal-ceramic forced water 420x210mm 18kg

13 V

480 to 560 A 65 to 85 mA/V 30 to 44 40 kW 32 kV pulse 170 MHz
GI-53, triode oscillator metal-ceramic air 44x23mm 25g 1.8 V 1.5 to 3 A 2.5 to 6 mA/V 20 to 40 10 W 1.6 kV 15 cm
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