2

LD7217 SERIES

GENERAL CHARACTERISTICS

ELECTRICAL

Frequency

LD7217, LD7217S ………………………………

5.85 to 6.425 GHz

LD7217W …………………………………………

5.85 to 6.65 GHz

Output Power

LD7217S …………………………………………

600 W

LD7217, LD7217W ………………………………

700 W

Heater Voltage ………………………………………

6.3 V

Heater Current ………………………………………

1.7 A

Type of Cathode ……………………………………

Indirectly heated, Impregnated

Cathode Warm-up Time

…………………………

180 s

MECHANICAL

Dimensions …………………………………………

See Outline

Weight ………………………………………………

7 kg approx.

Focusing

……………………………………………

Periodic Permanent Magnet

Mounting Position …………………………………

Any

Electrical Connections ……………………………

AMP LGH-1I

Thermal Switch Connection

……………………

Deutsch DM9601-3P

RF Connections

Input ………………………………………………

N-Female

Output ……………………………………………

Mates with CPR-137F Flange

Cooling ………………………………………………

Forced Air

ABSOLUTE RATINGS (Note 1, 2 and 3)

ELECTRICAL

Min.

Max.

Unit

Heater Voltage ………………………………………… 6.0

6.6

V

Heater Surge Current

………………………………

–

5.0

A

Heater Current ………………………………………… 1.5

2.5

A

Heater Warm-up Time ……………………………… 180

–

s

Helix Voltage

………………………………………… 10.2

11.9

kV

Helix Current

…………………………………………

–

25

mA

Accelerating Anode Voltage

……………………… 0

Note 5

kV

Accelerating Anode Current

………………………

–

2.0

mA

Collector Voltage ……………………………………… 5.7

7.5

kV

Cathode Current ………………………………………

–

475

mA

Drive Power ……………………………………………

–

0.1

W

Load VSWR ……………………………………………

–

1.7:1

MECHANICAL

Min.

Max.

Unit

Cooling Air Flow ……………………………………… 204

–

kg/hr

Ambient Temperature

Storage ……………………………………………… –30

+70

˚C

Operation …………………………………………… –10

+60

˚C