'Varian'에 해당되는 글 2건

  1. 2011.08.12 :: E2V MG5193 Tunable S-Band Magnetron
  2. 2010.12.24 :: E2V 8503AF Hydrogen Thyratron(사이렉트론)
Medical Parts/Magnetron 2011. 8. 12. 15:48

E2V MG5193 Tunable S-Band Magnetron

GENERAL DATA

Electrical

Mechanical

Frequency range
(cooling water 40˚C)

2993 to 3002

MHz

Output

to no.10(WR284) waveguide
(72.14 x 34.04 mm internal)

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
(see note 4)

any

Heater current

9.0

A

Tuner revolutions to cover frequency range
(see note 3)

4.75

Cathode pre-heating time (minimum)

3.0

min

Cooling

water /
The use of an isolator is
recommended (see note 1)

Peak heater starting current,
not to be exceeded

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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TAG 5193, Linac, Magnetron, MG5193, Varian, 마그네트론, 베리안, 선형가속기
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Medical Parts/Thyratron 2010. 12. 24. 15:18

E2V 8503AF Hydrogen Thyratron(사이렉트론)

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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posted by (주)얼라이드이파트(AEP) 얼라이드이파트
TAG 8503AF, clinac, E2V, Thyratron, Varian, 마그네트론, 베리안, 사이렉트론
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