DATA S H E E T 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...

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