Signal-frequency broadband expansion and issues associated with 5G high-speed large capacity communications
An expansion of several times to several tens of times of the current bandwidth is being considered to enable communications speed of 10 Gbps, which is 100 times the current speed. However, it is known that when a broadband signal is output at a high power, an Inter Modulation Distortion (IMD) is generated in the Power Amplifier Module (PAM), reducing signal integrity. IMD frequency is a proportional function of the bandwidth, and the affected frequencies in Second-Order IMD are up to 400 MHz with Sub 6 GHz or several GHz with mmWave.
Target application: RFPA Module for Base Station