GX9208 Replaces AD9208 for Phased Array Radar

Phased array radar is a radar system that utilizes an antenna array consisting of multiple transmitting and receiving units. It realizes signal orientation and beam formation by adjusting the phase and amplitude of each unit, and is characterized by high resolution, fast scanning, and strong anti-jamming capability. As an innovative radar technology, it has become an important tool in the field of wireless communication with its high resolution, fast scanning and strong anti-jamming ability.

By precisely controlling the phase and amplitude of each transmitting and receiving unit, phased array radar is able to realize directional beam formation and accurately detect the position and parameters of targets. The excellent A/D converter chip enables the system to have high resolution and anti-jamming capability, and performs well in target detection and tracking.

GX9208 3GSPS JESD204B ADC fully meet the performance requirements of this application, using 196-pin BGA package, GX9208 can replace ADI‘s AD9208, has been widely used in test and measurement and communications systems.

GX9208 features are described below:

1, support for dual-channel, 14-bit, 3GSPS, JESD204B high-performance ADC

2, built-in on-chip buffer and sample-and-hold circuitry, designed for low power consumption, small size and ease of use.

3, designed to support communications applications, can achieve up to 5GHz wide bandwidth analog signal direct sampling. 

4, the core uses a multi-stage, differential pipeline architecture with integrated output error correction logic. Each ADC has a wide bandwidth input.

5, integrated reference voltage source can simplify the design considerations; analog inputs and clock signals are differential input signals.

The GX9208 utilizes a fast detection control signal in the ADC‘s register (0x0245), a programmable threshold detector that monitors the input signal power. If the input signal level exceeds the programmable threshold, the fast detect indicator goes high. Because the delay of this threshold indicator is extremely short, the user is able to quickly turn down the system gain, thus avoiding over-range at the ADC input.