Marine Radar Parts/Magnetron 2012.06.28 17:34

 

ABRIDGED DATA

Fixed frequency pulse magnetron.

Operating frequency

3050 ± 25

MHz

Typical peak output power

60

kW

Magnet

integral

Coupler

mates with NATO S.N. 5985-99-083-0058

Electrical

Cathode

indirectly heated

Heater voltage (see note 1)

6.3

V

Heater current at 6.3V

1.25

A

Cathode pre-heating time
(minimum)

3.0

min

Heater starting current, peak value,
not to be exceeded

6.0

A max

Mechanical

Overall dimensions

see outline

Netweight

2.1 kg approx

Mounting position

any

Cooling (see note 2)

forced-air

A minimum clearance of 25 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:

  where Pi = mean 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. The anode temperature must be kept below the limit specified by means of a suitable flow of air over

  the anode body.

 

OUTLINE DIMENSIONS

Outline Notes

Positional tolerance of holes 0.4 mm diameter with respect to waveguide.

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