Typical control voltages range up to 400 V , but since the ferroelectric material is a dielectric, virtually no current is drawn and hence there is no dc power dissipation. These phase shifters are being incorporated into a reflectarray antenna that will resemble the simple passive reflectarray shown below. The launch is scheduled for 2001. The Cassegrain antenna system is designed to produce extremely low side lobes to minimize the noise temperature. Special copper-clad, stainless steel, coaxial cables are used to minimize the heat load to the cooler.
All phase shifters are in phase.
The resulting wave fronts propagate directly to the right. Consequently, the direction of the waves is slightly downward. This illustrates how phased-array antennas can redirect beams. The satellite completes one orbit per day, in synchrony with the Earth's rotation, and it appears stationary relative to the Earth. Pulsed laser ablation a technique where a laser beam causes the removal of material from a heated target.