Description
NEC LD7215W is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-to-satellite communications transmitter.
Features
- ™ 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 cat.
LD7215W_NEC.pdf
