'Varian'에 해당되는 글 2건
- 2011.08.12 :: E2V MG5193 Tunable S-Band Magnetron
- 2010.12.24 :: E2V 8503AF Hydrogen Thyratron(사이렉트론)
GENERAL DATA
Electrical |
Mechanical | |||
Frequency range |
2993 to 3002 |
MHz |
Output |
to no.10(WR284) waveguide |
Peak output power |
2.6 |
MW |
Overall dimensions |
see Outline |
Cathode |
indirectly heated |
Net weight |
8kg approx | |
Heater voltage (see note 2) |
8.5 |
V dc |
Mounting position |
any |
Heater current |
9.0 |
A |
Tuner revolutions to cover frequency range |
4.75 |
Cathode pre-heating time (minimum) |
3.0 |
min |
Cooling |
water / |
Peak heater starting current, |
20 |
A max | ||
Magnet |
separate |
NOTES
1. It is recommended that the magnetron should be isolated from the load by means of an isolator
of approved design.
Information on the characteristics of a suitable isolator may be obtained from e2v technologies.
2. With no anode input power. It is recommended that a DC power supply is used to operate the
heater. Use of an AC supply may result in damage to the heater circuit.
The use of an AC heater supply during HT operation may result in frequency modulation of the RF
pulses. Contact e2v technologies for further information.
The heater voltage must be reduced within 5 seconds after the application of HT according to the
schedule shown on page 4.
The magnetron heater must be protected against arcing by the use of a minimum capacitance of
4000 pF shunted across the heater directly at the input terminals; in some cases a capacitance
as high as 2 mF may be necessary depending on the equipment design.
3. The tuner mechanism is driven by means of three tapped holes in the tuner knob(see outline drawing)
via a flexible drive. The torque required is 0.7 kg-cm minimum; the torque applied must not exceed
5.0 kg-cm.
4. To minimise frequency deviation when the magnetron is rotated about a horizontal axis, this axis
should be parallel to the axis of the tuner.
OUTLINE DIMENSIONS
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ABRIDGED DATA
Flange mounted hydrogen-filled triode thyratron, positive grid, for pulse operation. A hydrogen reservoir is incorporated. The tube is ruggedised to meet the requirements of airborne
applications. Environmental tests applied to the tube comply with those of the CV6022 specification and include linear acceleration at 12 g, and vibration at 1/4 g minimum
acceleration and 150 Hz frequency or at the frequency of maximum resonance in the range between 10 and 150 Hz.
Peak forward anode voltage . . . . . . 20 kVmax
Peak anode current . . . . . . . . 325 Amax
Average anode current . . . . . . . 500 mAmax
Anode heating factor . . . . . . 3.9x109 VApps max
Peak output power . . . . . . . . . 2.0 MWmax
GENERAL
Electrical
Cathode (connected internallyto one end of heater) . . . . . . . . oxide coated
Heater voltage . . . . . . . . . 6.3+ 7.5% V
Heater current . . . . . . . . . . . 10.6 A
Tube heating time (minimum) . . . . . . 3.0 min
Mechanical
Seated height . . . . . 168.35 mm (6.628 inches) max
Clearance required below
mounting flange . . . . . 31.75 mm (1.250 inch) min
Overall diameter (excludingmounting flange) . . . . 65.1 mm (2.563 inches) max
Net weight . . . . . . . . 340g(12ounces) approx
Mounting position . . . . . . . . . . . . . any
Tube connections . . . . . . . . . . . seeoutline
Topcap . . . . . . . . . . . . . BS448-CT3
Top cap connector . . . . . . . . . . . . MA359
Cooling . . . . . . . . . . . . . . . natural
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