LD7215C Datasheet PDF - NEC
| Part Number | LD7215C | |
| Description | 6 GHz / 3 kW / HELIX TYPE / PPM FOCUSING / HIGH POWER GAIN / FLAT GAIN VARIATION | |
| Manufacturers | NEC | |
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DATA SHEET
HIGH POWER TRAVELING WAVE TUBE
FOR GROUND TERMINALS
LD7215, LD7215C, LD7215D
6 GHz, 3 kW, HELIX TYPE, PPM FOCUSING,
HIGH POWER GAIN, FLAT GAIN VARIATION
GENERAL DESCRIPTION
The NEC LD7215, LD7215C and LD7215D are PPM-focused traveling wave tubes designed for use as the final
amplifiers in the earth-to-satellite communications transmitter.
These are capable of delivering an output of 3 kW over the range of 5.85 to 6.425 GHz.
They provide a high power gain of 46 dB at an output power of 3 kW, and flat gain variation of 2.5 dB by LD7215,
1.0 dB by LD7215C and LD7215D at small signal level in the full frequency range.
Furthermore, they are of rugged and reliable design offering long-life service.
Both LD7215 and LD7215D are fully compatible with TH3640.
FEATURES
™ High Power Gain
The power gain is typically 52 dB at small signal level and 46 dB at 3 kW Ievel.
™ Simple Cooling System
All the tubes are forced-air-cooled, so that the cooling system is greatly simplified.
™ PPM Focusing
The tubes are PPM (Periodic Permanent Magnet) focused, and eliminate entirely the requirement for focusing
power supplies and interlock circuits.
™ Long Life and High Stability
The tubes employ 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.
For safe use of microwave tubes, refer to NEC document “Safety instructions to all personnel
handling electron tubes” (ET0048EJ∗V∗UM00)
The information in this document is subject to change without notice.
Document No. ET0139EJ5V0DS00 (5th edition)
Date Published August 1998 M
Printed in Japan
©
1991
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LD7215C electronic component. |
| Information | Total 4 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LD7215C.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| LD7215 | The function is 6 GHz / 3 kW / HELIX TYPE / PPM FOCUSING / HIGH POWER GAIN / FLAT GAIN VARIATION. NEC | |
| LD7215C | The function is 6 GHz / 3 kW / HELIX TYPE / PPM FOCUSING / HIGH POWER GAIN / FLAT GAIN VARIATION. NEC | |
| LD7215D | The function is 6 GHz / 3 kW / HELIX TYPE / PPM FOCUSING / HIGH POWER GAIN / FLAT GAIN VARIATION. NEC | |
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