background image

The data should be read in conjunction with the Magnetron
Preamble.

ABRIDGED DATA

Fixed frequency pulse magnetron.

Operating frequency

.

.

.

.

.

.

9375

+

25

MHz

Minimum peak output power

.

.

.

.

.

.

25

kW

Magnet

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

integral

Output .

.

.

.

.

.

.

.

.

.

.

.

no. 16 waveguide

(22.86 x 10.16 mm internal)

Coupler

.

.

.

.

.

.

.

.

.

.

.

.

.

. UG-40B/U

(NATO S.N. 5985-99-083-0051)

Cooling

.

.

.

.

.

.

.

.

.

.

. natural or forced-air

GENERAL

Electrical

Cathode

.

.

.

.

.

.

.

.

.

.

.

.

indirectly heated

Heater voltage (see note 1) .

.

.

.

.

.

.

. 6.3

V

Heater current at 6.3 V

.

.

.

.

.

.

.

.

. 0.55

A

Heater starting current, peak value,

not to be exceeded .

.

.

.

.

.

.

.

.

. 3.0 A max

Cathode pre-heating time (minimum)

(see note 2)

.

.

.

.

.

.

.

.

.

.

.

60

s

Mechanical

Overall dimensions .

.

.

.

.

.

.

.

.

.

. see outline

Net weight

.

.

.

.

.

.

.

.

.

.

.

. 1.5 kg approx

Mounting position .

.

.

.

.

.

.

.

.

.

.

.

.

any

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

Cooling

.

.

.

.

.

.

.

.

.

.

. natural or forced-air

MAXIMUM AND MINIMUM RATINGS

(Absolute values)

These ratings cannot necessarily be used simultaneously, and
no individual rating should be exceeded.

Min

Max

Heater voltage (see note 1) .

.

.

.

.

5.7

6.9

V

Heater starting current (peak)

.

.

.

.

3.0

A

Anode voltage (peak) .

.

.

.

.

.

.

7.5

8.2

kV

Anode current (peak) .

.

.

.

.

.

.

6.0

10

A

Input power (peak) .

.

.

.

.

.

.

.

75

kW

Input power (mean) (see note 3)

.

.

.

85

W

Duty cycle

.

.

.

.

.

.

.

.

.

.

0.0015

Pulse duration

.

.

.

.

.

.

.

.

.

2.0

m

s

Rate of rise of voltage pulse

(see notes 4 and 5) .

.

.

.

.

.

.

200

kV/

m

s

Anode temperature (see note 6)

.

.

.

120

8

C

VSWR at the output coupler

.

.

.

.

1.5:1

TYPICAL OPERATION

Operating Conditions

Oscillation

1

2

Heater voltage

.

.

.

.

.

.

.

.

.

6.3

6.3

V

Anode current (peak) .

.

.

.

.

.

.

8.0

8.0

A

Pulse duration

.

.

.

.

.

.

.

.

.

1.0

0.1

m

s

Pulse repetition rate

.

.

.

.

.

.

500

1000

pps

Rate of rise of voltage pulse .

.

.

.

120

120

kV/

m

s

Typical Performance

Anode voltage (peak) .

.

.

.

.

.

.

8.0

8.0

kV

Output power (peak)

.

.

.

.

.

.

27

27

kW

Output power (mean) .

.

.

.

.

.

13.5

2.7

W

MG5239T

X-Band Magnetron

#

 

e2v

 

technologies

 

limited

 

(uk)

 

20

1

6

A1A-MG5239T

 

Issue

 

7, June 2016

e2v technologies (uk) limited, Waterhouse Lane, Chelmsford, Essex CM1 2QU, UK

Telephone: +44 (0)1245 493493

Facsimile: +44 (0)1245 492492

e-mail: enquiries@e2v.com

Internet: www.e2v.com

Holding Company: e2v technologies plc

123197

Summary of Contents for MG5239T

Page 1: ...ultaneously and no individual rating should be exceeded Min Max Heater voltage see note 1 5 7 6 9 V Heater starting current peak 3 0 A Anode voltage peak 7 5 8 2 kV Anode current peak 6 0 10 A Input power peak 75 kW Input power mean see note 3 85 W Duty cycle 0 0015 Pulse duration 2 0 ms Rate of rise of voltage pulse see notes 4 and 5 200 kV ms Anode temperature see note 6 120 8C VSWR at the outpu...

Page 2: ...ter 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 8C For ambient temperatures between 0 and 755 8C the cathode pre heating time is 90 seconds 3 The various parameters are related by the following formula Pi iapk x vapk x Du where Pi mean...

Page 3: ... 20 15 10 5 0 0 2 4 6 8 10 12 PEAK ANODE VOLTAGE kV PEAK OUTPUT POWER kW PEAK ANODE CURRENT A PEAK CURRENT RATING LIMITS MAXIMUM TYPICAL MINIMUM TYPICAL MINIMUM 7897 TYPICAL PERFORMANCE CHART e2v technologies MG5239T page 3 ...

Page 4: ...OTE 8 SEE NOTE 7 SEE NOTE 1 7936 OUTLINE All dimensions without limits are nominal Lead Connections Colour Element Green Heater Yellow Heater cathode Ref Millimetres A 113 11 0 38 B 104 22 0 10 C 4 318 0 076 D 4 445 0 076 E 4 368 0 41 F 32 5 0 1 G 31 0 0 1 H 25 4 max J 5 18 0 38 K 41 28 0 41 L 52 4 max M 55 55 max N 30 15 max P 101 6 max Q 46 0 min R 84 12 max S 63 5 T 12 7 max W 3 175 Y 30 99 0 1...

Page 5: ...hat adequate precautions are taken Appropriate warning labels and notices must be provided on equipments incorporating e2v technologies devices and in operating manuals High Voltage Equipment must be designed so that personnel cannot come into contact with high voltage circuits All high voltage circuits and terminals must be enclosed and fail safe interlock switches must be fitted to disconnect th...

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