Marine Radar Parts/Magnetron 2012. 6. 27. 14:05

 

ABRIDGED DATA

Compact, rugged, lightweight, fixed frequency pulse magnetron.

Operating frequency

9410 ± 30

MHz

Typical peak output power

25

kW

Magnet integral

Out put

No.16 waveguide

Coupler

IEC UBR100

Electrical

Mechanical

Cathode

indirectly heated

Overall dimensions

see outline

Heater voltage (see note 1)

6.3

V

Netweight

0.7 kg approx

Heater current at 6.3V
(see note 2)

0.55

A

Mounting position

any

Cathode pre-heating time
(minimum)(see note 3)

60

s

Cooling

natural

 clod impedance

see note 4 

 temerature cofficient of frequency

 see note 4

Input capacitance

9.0

pF max

A minimum clearance of 25mm must be maintained between the magnetron and any magnetic materials.

 

NOTES

1. For optimum performance a value of 6.3 V is recommended. However, this magnetron will work
  satisfactorily within the specified limits.
  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. Measured with heater voltage of 6.3 V and no anode input power, the heater current limits are 0.5 A
  minimum, 0.6 A maximum.

 

3. For ambient temperatures above 0 ℃. For ambient temperatures between 0 and -55 ℃, cathode
  pre-heating time is 90 seconds minimum.

 

4. The impedance of the magnetron measured at the operating frequency when not oscillating will be
such as to give a v.s.w.r. of at least 6:1, with a voltage minimum 16.5 to 22.5 mm from the output
flange towards the anode.

 

5. Design test only. The maximum frequency change with anode temperature change (after warming) is
-0.25 MHz/8C.

 

OUTLINE DIMENSIONS

Outline Notes

1. The mating surface of the magnetron baseplate will be flat to within 0.20 mm.
2. Positional tolerance of holes ±0.1 mm with respect to waveguide aperture.

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posted by (주)얼라이드이파트(AEP) 얼라이드이파트

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