3

LD7202 SERIES

ELECTRICAL

Min.

Max.

Unit

Heater Voltage ..................................................................

5.5

6.5

V

Heater Surge Current ......................................................

–

4.5

A

Heater Current ..................................................................

–

3

A

Heater Warm-up Time .....................................................

300

–

s

Collector Voltage∗ ............................................................

4.75

6.2

kV

Collector Current ..............................................................

–

425

mA

Helix Voltage ....................................................................

10.25

10.75

kV

Helix Current ....................................................................

–

12

mA

Anode Voltage ..................................................................

5.5

6.5

kV

Anode Current ..................................................................

–

0.5

mA

Collector Dissipation .......................................................

–

2.4

kW

RF Drive Power ................................................................

–

20

mW

Output Power ...................................................................

–

670

W

Load VSWR∗∗ ...................................................................

–

1.15:1

∗ The voltage between a helix and a collector must not exceed 8 kV.

∗∗ Load VSWR must be met as follows.

In Band ..........................................................

1.15 : 1 max.

13.5 to 15.0 GHz ............................................

1.5 : 1 max. (LD7202, LD7202A, LD7202B)

13.25 to 15.0 GHz ..........................................

1.5 : 1 max. (LD7202L)

12.25 to 15.0 GHz ..........................................

1.5 : 1 max. (LD7202W)

15.0 to 16.0 GHz ............................................

1.8 : 1 max.

16.0 to 17.0 GHz ............................................

2.2 : 1 max.

MECHANICAL

Min.

Max.

Unit

Air Flow of Collector ........................................................

252

–

kg/hr

Ambient Temperature (Operation) .................................

–10

+50

˚C

Storage Temperature .......................................................

–40

+80

˚C