GENERAL DESCRIPTION
NEC LD7202 series of PPM-focused traveling wave tubes are designed for use as final amplifiers tube in the earth-to-satellite communications transmitter. These are capable of delivering an output power of 600W over the range of 12.75 to 14.5 GHz and provide a high power gain of 52 dB at 600 W output power. Furthermore, they are of rugged and reliable design offering long-life service. The LD7202 is fully compatible with TH3591B. FEATURES
™ High Power Gain The power gain is typically 52 dB at 600 W level. ™ Simple Cooling System The tubes are forced-air-cooled, so that the cooling systems are greatly simplified. ™ PPM Focusing All the tubes are PPM (Periodic Permanent Magnet)-focused, eliminating entirely the focusing power supplies and interlock circuits. ™ Rugged Construction The tubes are designed to be rugged, therefore they are suitable for transportable systems. ™ Long Life and High Stability The tubes employ an advanced impregnated cathode with a low operating...
NEC
