LD7246A
GENERAL CHARACTERISTICS
ELECTRICAL
Frequency ……………………………………………… 13.75 to 14.5 GHz
Output Power ………………………………………… 123 W
Heater Voltage ………………………………………… 4.5 V
Heater Current ………………………………………… 1.0 A
Type of Cathode ……………………………………… Indirectly heated, Impregnated
Cathode Warm-up Time …………………………… 180 s
MECHANICAL
Dimensions …………………………………………… See Outline
Weight ………………………………………………… 1.3 kg approx.
Focusing ……………………………………………… Periodic Permanent Magnet
Mounting Position …………………………………… Any
Electrical Connections ……………………………… Flying Leads
Heater, Heater-Cathode,
Helix, Collector-1, Collector-2
RF Connections
Input ………………………………………………… SMA-Female
Output ……………………………………………… Mates with UBR-120 Flange
Cooling ………………………………………………… Conduction
ABSOLUTE RATINGS ( Note 1, 2 and 3 )
ELECTRICAL
Heater Voltage ………………………………………
Heater Surge Current ……………………………
Heater Current ………………………………………
Heater Warm-up Time ……………………………
Helix Voltage ………………………………………
Helix Current ………………………………………
Collector-1 Voltage …………………………………
Collector-2 Voltage …………………………………
Cathode Current ……………………………………
RF Drive Power ……………………………………
Load VSWR …………………………………………
Min.
4.2
–
–
180
6.0
–
3.1
1.5
–
–
–
MECHANICAL
Baseplate Temperature
Storage ……………………………………………
Operation …………………………………………
Min.
–30
–30
Max.
4.8
2.5
1.3
–
6.4
5.0
3.3
1.7
140
1.0
1.5 : 1
Max.
+110
+110
Unit
V
A
A
s
kV
mA
kV
kV
mA
dBm
Unit
˚C
˚C
2