LD7261 Datasheet - NEC

LD7261 HIGH POWER TRAVELING WAVE TUBE

The NEC LD7261 is a PPM-focused traveling wave tube designed for use as final amplifier in the earth-tosatellite communications transmitter. This is capable of delivering an output power of 250 W over the range of 18.0 to 21.7 GHz and provides a power gain of more than 40 dB at 250 W. Furthermore, i.

LD7261 Features

* ™ High Power Gain The power gain is typically 40 dB at 250 W level. ™ Simple Cooling System All the tubes are forced-air-cooled, so that the cooling systems are greatly simplified. ™ PPM Focusing The tube is PPM (Periodic Permanent Magnet) -focused, eliminating entirely the focusing power supplies a

LD7261_NEC.pdf