Which component would you typically find in a practical transmitter that is not present in a basic CW transmitter?

In a practical transmitter, a buffer is typically included as a component to enhance the performance of the transmission system. The buffer serves to isolate the oscillator from the load, ensuring that any variations in load do not affect the frequency stability of the oscillator. This is particularly important in more advanced transmission systems that require stable and clear signals over varying conditions.

The inclusion of a buffer allows the transmitter to drive stronger signals while maintaining accuracy and reducing distortion. In contrast, a basic Continuous Wave (CW) transmitter may not include this component, as it often functions adequately without the need for isolation from load changes. Basic designs focus on simplicity, often sacrificing some performance features that are critical in more advanced or practical applications.

By incorporating a buffer, the practical transmitter enhances its capabilities for effective communication, making it essential in more demanding operational environments where signal integrity and strength are paramount. This adjustment helps to make the system more robust and reliable for users in varied conditions.