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What is High-Speed Feed Forward AGC Circuit about?

This document describes a high-speed feed forward pseudo automatic gain control (AGC) circuit for an amplifier cascade. The circuit allows pseudo AGC to be performed within approximately 20 nanoseconds, providing a constant amplitude output with negligible harmonic content. It works by using comparators and a feed forward signal to simultaneously switch in attenuators downstream to cancel the gain of each amplifier stage as it begins to saturate. This prevents the stages from saturating and keeps the output

Author

api-19755952

Language

EN