With a contribution by
Tom Egel, Mentor Graphics Corporation
The purpose of the communication block is to transmit the encoded rudder and throttle commands to the airplane using frequency modulation (FM) techniques. This block constitutes both the ground-based transmitter and the in-flight receiver communication electronics. The key component in any communication system is the detector. In this case study, we consider two common detector architectures.
The RF communication system for the RC airplane is outlined by the dashed box in the system diagram in Figure 23-1. The main purpose of this block is to manipulate the digital bitstream so that ...