2

LD7215W

GENERAL CHARACTERISTICS

ELECTRICAL

Frequency ……………………………………………… 5.85 to 6.65 GHz

Output Power ………………………………………… 3 kW

Heater Voltage ………………………………………… 6.3 V

Heater Current ………………………………………… 4.5 A

Type of Cathode ……………………………………… Indirectly heated, Impregnated

Cathode Warm-up Time

…………………………… 300 s

MECHANICAL

Dimensions …………………………………………… See outline

Weight ………………………………………………… 30 kg approx.

Focusing

……………………………………………… Periodic Permanent Magnet

Mounting Position …………………………………… Any

Electrical Connections ……………………………… Flying Leads

Heater, Heater-Cathode,

Helix, Anode, Collector

and Thermal Protection

RF Connections

Input ………………………………………………… Type SMA 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

……………………………

–

8.0

A

Heater Current ………………………………………

3.0

5.0

A

Heater Warm-up Time ……………………………

300

–

s

Helix Voltage

………………………………………

12.5

13.7

kV

Helix Current

………………………………………

–

25

mA

Anode Voltage ………………………………………

10.0

13.0

kV

Anode Current ………………………………………

–0.5

0.5

mA

Collector Voltage ……………………………………

8.0

9.5

kV

Cathode Current ……………………………………

–

1.5

mA

Drive Power …………………………………………

–

24

mW

Load VSWR …………………………………………

–

1.15 : 1

MECHANICAL

Min.

Max.

Unit

Cooling Air Flow ……………………………………

720

–

kg/hr

Operating temperature ……………………………

0

+45

˚C

Inlet air temperature ………………………………

–20

+45

˚C

Storage temperature ………………………………

–30

+70

˚C