'Alphatron'에 해당되는 글 3건

  1. 2012.06.20 :: Alphatron Medical Linac (선형가속기)
  2. 2011.11.18 :: M5089T / M5089TC
  3. 2010.12.21 :: About e2v
Medical Parts 2012. 6. 20. 17:48

Alphatron Electronic Parts B.V. and e2v technologies have formed a strategic partnership for
after sales support of linear accelerator tube spares. For the customers, hospitals, this means there's a clear and accessible global point of contact for purchasing the Linac magnetrons
and thyratrons when immediate delivery is required.

Alphatron and e2v have a 25-year relationship, of which Linac magnetrons and thyratrons
have been a part for over 20 years.

알파트론 그룹은 E2V사와 20년이상 전략적인 파트너쉽과  릴레이션쉽을 가지고
선형가속기(Linac)의 부속품인 마그네트론 및 사이렉트론(Thyratron)을 공급해왔습니다.

상시 재고를 확보해 있어서 최단시간에 공급이 가능합니다.

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Marine Radar Parts/Magnetron 2011. 11. 18. 17:40

이번에 소개시켜드릴 마그네트론은 주로 육상용 레이더에 많이 사용되는 M5089T 입니다.
출력은 25kW급이며 주파수 대역은 9415-9460Mhz 대역을 가지고 있습니다.

 

ABRIDGED DATA

Fixed frequency pulse magnetron.

Operating frequency

9415 to 9460

MHz

Typical peak output power

25

kW

Output

no.16 waveguide (22.86 x 10.16 mm internal)

Magnet

integral

Coupler

UG-40B/U (NATO S.N. 5985-99-083-0051)

Electrical

Cathode

indirectly heated

Heater voltage (see note 1)

6.3

V

Heater current at 6.3V

0.55

A

Cathode pre-heating time
(minimum)
(see note 2)

60

s

Heater starting current, peak value,
not to be exceeded

3.0

A max

Mechanical

Overall dimensions

see outline

Netweight

1.5 kg approx

Mounting position

any

Cooling

natural or forced-air

A minimum clearance of 50 mm must be maintained between
the magnetron and any magnetic materials.

Notes

1. With no anode input power. For average values of pulse input power greater than
40 W, the heater voltage must be reduced within 3 seconds after the application of
h.t. according to the following schedule:
Vh = 0.08 (110 - Pi) volts
where Pi = average input power in watts.
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. For further details see the Magnetron Preamble.

2. For ambient temperatures above 0℃. For ambient temperatures between 0 and
-55 ℃ the cathode pre-heating time is 90 seconds.

OUTLINE (All dimensions without limits are nominal)

Outline Notes
1. Recommended direction of air flow if required.
2. Anode temperature measured at this point.
3. With surface A resting on a flat surface plate, a feeler gauge 0.51 mm thick and 3.18 mm
wide will not enter more than 3.18 mm at any point.
4. Surface A and interior surfaces of the waveguide will be plated with 1.55 mg/cm2 of gold or
4.65 mg/cm2 of silver, but will not be plated if the parts are made of monel or equivalent corrosion
resistantmaterials.
All other metal surfaces will be painted with heat resistant paint or otherwise treated to prevent
corrosion.
5. Reference plane C intersects plane B at the centre of the mounting plate hole as shown and
is mutually perpendicular to reference planes A and B.
6. These holes will lie within 0.127 mm of the indicated centres. A cylinder of 8.38 mm
diameter and centred on these holes will clear the side of the magnet.
7. The position of the waveguide hole is not specified on this drawing since tubes are tested
and used with coupler UG-40B/U (NATO S.N. 5985-99-083-0051).
8. The centre of this hole will lie within 0.102 mm of reference plane C.
9. Reference plane B passes through the centres of the two holes of the mounting plate as
shown and is perpendicular to reference plane A.
10. The north seeking pole of the magnet will be adjacent to the cathode sidearm.
11. Length of flying leads measured from the centre line of the anode block.3

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회사소개 2010. 12. 21. 13:39

e2v technologies are the manufacturers of the world-renowned EEV brand of marine radar magnetrons and components. EEV products are meeting all requirements for the multitude of system types used today.

Today e2v technologies are recognised as a specialist supplier of RF, microwave and sensing component and sub-systems with a strong, and in a number of cases leading, positions in global, niche markets.

The origins of e2v technologies can be traced back to the 1940s to the development of magnetrons for use in defence radar applications. Since this time the company has developed a unique set of competencies, both technological and commercial, which has seen them consistently demonstrate their ability to innovate and bring high technology products to market.

Their range of high-power vacuum tubes are the enabling technology behind a diverse range of applications from the transmission of TV signals to life saving cancer radiotherapy machines. They have also looked to provide customers with value added product offerings, integrating power supplies and modulators around their vacuum tube devices. Examples of this are Stellar, high-power satellite uplink amplifiers and the compact modulator for driving magnetrons in a range of linear accelerator applications.

Their sensor technologies are extensive. They supply the ultimate in image sensors for space mission instruments, such as the Hubble Space Telescope, and for use by dentists to capture digital images of our teeth. Fire fighters around the world have grown to rely on e2v's Argus thermal imaging cameras for critical support in saving lives. e2v technologies lead the way with the world-leading performance of their Gunn diodes, the signal source for adaptive cruise control systems now found on the market in luxury cars.

They operate from two manufacturing sites in the UK, where they employ around 1200 people. Their sales activity is truly global - they export over 65% of what they make - with direct sales offices in the UK, United States of America, France and Germany. In addition they have an extensive network of distributors, giving them a coverage in over 100 countries.

 

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