2

LD7213, LD7213L

GENERAL CHARACTERISTICS

ELECTRICAL

Frequency ……………………………………………… LD7213 : 14.0 to 14.5 GHz

LD7213L : 13.75 to 14.5 GHz

Cathode ………………………………………………… Indirectly heated, Impregnated

Heater Voltage

…………………………………… 6.1 V

Heater Current

…………………………………… 1.05 A

MECHANICAL

Dimensions …………………………………………… See Outline

Focusing

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

Electrical Connections ……………………………… AMP861647-8

RF Connections

Input ………………………………………………… SMA Female

Output ……………………………………………… Mates with UBR-120 Flange

Mounting Position …………………………………… Any

Weight ………………………………………………… 5 kg approx.

Cooling ………………………………………………… Conduction

ABSOLUTE RATINGS (Note 1, 2 and 3)

ELECTRICAL

Min.

Max.

Unit

Heater Voltage ………………………………………

5.5

6.3

V

Heater Surge Current

……………………………

–

2.5

A

Heater Current ………………………………………

–

1.6

A

Heater Warm-up Time ……………………………

180

–

s

Collector Voltage ……………………………………

3.5

4.6

kVdc

Helix Voltage

………………………………………

8.2

9.0

kVdc

Cathode Current ……………………………………

–

260

mAdc

Helix Current

………………………………………

–

10

mAdc

Collector Dissipation ………………………………

–

1.2

kW

Helix Dissipation ……………………………………

–

50

W

RF Drive Power ……………………………………

–

5

mW

Reflected Power ……………………………………

–

10

W

Load VSWR …………………………………………

–

2 : 1

MECHANICAL

Ambient Temperature ……………………………

–40

+95

˚C