LD7215W

· High Power Gain
The power gain is typically 42 dB minimum at 3 kW level.
· Simple Cooling System
The tube is forced-air-cooled, so that the cooling systems are simplified.
· PPM Focusing
The tube is PPM (Periodic Permanent Magnet) -focused, eliminating entirely the focusing power supplies and interlock circuits.
· Rugged Construction
The tube is designed to be rugged, therefore it is suitable for transportable systems.
· Long Life and High Stability
The tube employs an advanced impregnated cathode with a low operating temperature for long life.
· Microdischarge Free
The tube is carefully designed to be free from microdischarge in the electron gun for long term operation,therefore it is suitable for digital communication service.

NEC LD7215W is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-to-satellite communications transmitter.

 This is capable of delivering an output power of 3 kW over the range of 5.85 to 6.65 GHz.

 The LD7215W provides a high power gain of 42 dB at a rated output power.

 Furthermore, this is of rugged and reliable design offering long-life service.