Siemens Plessey Systems is showing key components which will make up its future active array radars - a 12-bit receiver and an optical rotating joint. The active-array antenna is typically divided into several sub-arrays, says the company, each of which uses the 12-bit receiver. Signals received, pass through analogue-to-digital converters, and all signal processing plotting and radar control is performed by a common processing card. The development rotating joint on display routes, control signals to the turning antenna, and received signals from the antenna to the processing unit. Also on display for the first time is the company's active-array Commander-S multi-function search and track radar, designed for use with mobile missile air-defence systems.

Source: Flight International