LD7261 Просмотр технического описания (PDF) - NEC => Renesas Technology
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LD7261 Datasheet PDF : 6 Pages
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LD7261
TYPICAL OPERATION (Note 2, 3, 4 and 5)
Frequency ……………………………………………
Output Power ………………………………………
Heater Voltage (Note 4) ……………………………
Heater Current ………………………………………
Helix Voltage ………………………………………
Helix Current ………………………………………
Anode Voltage ………………………………………
Anode Current ………………………………………
Collector Voltage ……………………………………
Collector Current ……………………………………
Cathode Current ……………………………………
Power Gain
at 25 W ………………………
at 250 W ………………………
Gain Variation at 25 W ………………………
Gain Slope
at 25 W ………………………
AM-PM Conversion
at 25 W ………………………
at 250 W ………………………
3rd Order Intermodulation ………………………
(two equal carries, 25 W total)
20.0
250
6.3
1.42
10.6
0.7
8.6
0.01
5.0
264
265
49
46
5
0.012
1.5
6.0
–30
Unit
GHz
W
V
A
kV
mA
kV
mA
kV
mA
mA
dB
dB
dB
dB/MHz
deg./dB
deg./dB
dBc
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 : 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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