Which subassembly of the MSSR injects the self-test pulse into each receiver?

The subassembly of the MSSR that injects the self-test pulse into each receiver is the transmitter interface. This component plays a crucial role in the overall functionality of the radar system by ensuring that each receiver receives the necessary test signals to verify its performance and operability. The self-test pulse is important for diagnostic purposes, allowing for validation of the system’s integrity and reliability.

The transmitter interface is responsible for managing the communication between the radar system’s components and facilitating the injection of self-test signals. This process helps identify potential issues with the receivers, ensuring that any anomalies can be detected and addressed promptly.

In contrast, other components like the driver and the low duty power amplifier serve different functions that do not directly involve injecting self-test signals. The mode generator is primarily focused on establishing different operational modes of the system rather than managing signal integrity checks. Understanding the specific roles of each subassembly clarifies why the transmitter interface is the correct choice for this function.