LD7217 データシートの表示（PDF） - NEC => Renesas Technology
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LD7217 Datasheet PDF : 4 Pages
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LD7217 SERIES
TYPICAL OPERATION (Note 2, 3 and 6)
LD7217S
LD7217, LD7217W
Unit
Frequency …………………………………………… 5.85 to 6.425 5.85 to 6.425,5.85 to 6.65 GHz
Output Power ………………………………………
600
700
W
Heater Voltage (Note 4) ……………………………
6.3
6.3
V
Heater Current ………………………………………
1.7
1.7
A
Helix Voltage …………………………………………
11.0
11.2
kV
Helix Current …………………………………………
6.0
3.0
mA
Anode Voltage ………………………………………
11.0
11.2
kV
Anode Current ………………………………………
0.3
0.1
mA
Collector Voltage ……………………………………
6.0
6.2
kV
Cathode Current ……………………………………
425
430
mA
Power Gain ………………………………………… 48 (at 60 W)
57 (at 70 W)
dB
45 (at 600 W)
54 (at 700 W)
dB
Gain Variation ………………………………………
1.5
1.0 (LD7217) dB/ 575 MHz
1.8 (LD7217 W) dB/800 MHz
Gain Slope …………………………………………… 0.01 (at 60 W)
0.015 (at 70 W)
dB/MHz
AM-PM Conversion ………………………………… 1.5 (at 60 W)
1.5 (at 70 W)
deg./dB
3.5 (at 600 W)
3.5 (at 700 W)
deg./dB
3rd Order Intermodulation
(two equal carriers, 350 W total) …………………
–19
–19
dBc
Air Flow ………………………………………………
204
204
kg/ hr
Note 1 : Absolute rating should not be exceeded under continuous or transient conditions. A single absolute
rating may be the limitation and simultaneous operation at more than one absolute rating may not be
possible.
Note 2 : The tube body is at ground potential in operation.
Note 3 : All voltages are referred to the cathode potential except the heater voltage.
Note 4 : The optimum operating parameters are shown on a test performance sheet for each tube.
Note 5 : The accelerating anode voltage should be at cathode potential for the off condition, and at helix for the
full cathode current condition. The accelerating voltage should not exceed the helix voltage by 250
volts.
Note 6 : These characteristics and operating values may be changed as a result of additional information or
product improvement. NEC should be consulted before using this information for equipment design.
This data sheet should not be referred to a contractual specification.
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