This document is an application note for the RD04HMS2 and RD70HUF2 two-stage amplifier at 380-470MHz. It includes features such as an evaluation board, frequency range, input power, output power, etc.
This application note provides details for the evaluation board that implements a two‑stage RF power amplifier using the Mitsubishi Electric RDO4HMS2 and RD7OHUF2 MOSFETs. It covers the circuit topology, component list, PCB layout, land pattern dimensions, and measured RF performance.
The document includes specifications such as operating voltage, input and output power, current consumption, and board dimensions, as well as measured characteristics like output power versus bias voltage and frequency.