What is installed in the input stage of a distribution amplifier to achieve a flat frequency response with negative tilt?

The installation of a cable equalizer with a positive slope in the input stage of a distribution amplifier is crucial for achieving a flat frequency response with a negative tilt. In this context, a cable equalizer is designed to compensate for the frequency-dependent losses that occur during the transmission of signals over coaxial cables or other types of media.

High-frequency signals tend to degrade more significantly than low-frequency signals, which can lead to an imbalance in the output frequency response of the system; this is commonly referred to as a negative tilt. By utilizing a cable equalizer that has a positive slope, the device boosts the higher frequency components of the signal relative to the lower frequencies, effectively counteracting the natural roll-off of high frequencies over distance.

As a result, this configuration helps maintain a balanced output across the specified frequency range, thereby achieving a desired flat frequency response. This is crucial in applications where maintaining signal integrity over long distances and various transmission mediums is essential for optimal performance.