Marine Radar Parts/Magnetron 2012. 6. 28. 17:52

 

ABRIDGED DATA

Fixed frequency pulse magnetron. It is an improved version of the
M5063/2J70B and is a direct replacement for the latter, being fully
interchangeable both mechanically and electrically
An EEV long-life cathode is incorporated in the
MG5276. The improved efficiency of of the tube results in higher peak output
power for the same input conditions as 2J70.
The rugged ceramic/metal construction of the MG5267 reduces the risk
of mechanical failure during handling and installation
compared with 2J70B.

Operating frequency

3050 ± 25

MHz

Typical peak output power

56

kW

Output

probe radiating into waveguide launching section

Magnet

integral

Launching section

not supplied

Electrical

Mechanical

Cathode

indirectly heated

Overall dimensions

see outline

Heater voltage (see note 1)

6.3

V

Netweight

1.7 kg approx

Heater current at 6.3V

1.25

A

Mounting position

any

Cathode pre-heating time
(minimum)

3.0

min

Cooling(see note 2)

natural or forced-air

Heater starting current,

peak value,
not to be exceeded

6.0

A max

A minimum clearance of 50 mm

must be maintained between
the magnetron and any magnetic materials.

NOTES

1. With no anode input power.
On the application of anode power, the heater voltage must be reduced as follows:
Mean input power Heater voltage
(W) (Vrms)

less   than   25 6.3
  25     to     62 5.3
  62     to     100 4.5
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. The anode temperature must be kept below the limit specified by means of a suitable flow of air over the anode body.

 

OUTLINE (All dimensions without limits are nominal)

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posted by (주)얼라이드이파트(AEP) 얼라이드이파트

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