LD7202 Selling Leads, Price trend, LD7202 DataSheet download, circuit diagram from SeekIC.com

Features: · High Power GainThe power gain is typically 52 dB at 600 W level.· Simple Cooling SystemThe tubes are forced-air-cooled, so that the cooling systems are greatly simplified.· PPM FocusingAll the tubes are PPM (Periodic Permanent Magnet)-focused, eliminating entirely the focusing power su...

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SeekIC No. : 004393061 Detail

LD7202: Features: · High Power GainThe power gain is typically 52 dB at 600 W level.· Simple Cooling SystemThe tubes are forced-air-cooled, so that the cooling systems are greatly simplified.· PPM FocusingA...

LD7202 Data Sheet

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Part Number:: LD7202
Supply Ability:: 5000

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1~5000

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Product Details

Description

Features:

· High Power Gain
The power gain is typically 52 dB at 600 W level.
· Simple Cooling System
The tubes are forced-air-cooled, so that the cooling systems are greatly simplified.
· PPM Focusing
All the tubes are PPM (Periodic Permanent Magnet)-focused, eliminating entirely the focusing power supplies and interlock circuits.
· Rugged Construction
The tubes are designed to be rugged, therefore they are suitable for transportable systems.
· Long Life and High Stability
The tubes employ an advanced impregnated cathode with a low operating temperature for long life.
· Microdischarge Free
The tubes are carefully designed to be free from microdischarge in the electron gun for long term operation,therefore they are suitable for use in digital communication service.

Specifications

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

Description

NEC LD7202 series of PPM-focused traveling wave tubes are designed for use as final amplifiers tube in the earth-to-satellite communications transmitter.

These are capable of delivering an output power of 600W over the range of 12.75 to 14.5 GHz and provide a high power gain of 52 dB at 600 W output power.

Furthermore, they are of rugged and reliable design offering long-life service.

The LD7202 is fully compatible with TH3591B.

LD7202

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