公开(公告)号：US10348347B2

公开(公告)日：2019-07-09

申请号：US15626688

申请日：2017-06-19

Applicant: BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Inventor： Anthony J. Crawford ,  Christopher N. Peters ,  Nathaniel J. Conway ,  Kurt M. Foley ,  John C. Joseph ,  Mason Tremblay ,  Daniel W. Glass

IPC: H04B1/06 ,  H04B1/16 ,  H04B1/26 ,  H03H11/04 ,  H03H7/32 ,  H03K9/06

Abstract: An apparatus for monitoring radio frequency (RF) signals is disclosed. The apparatus includes an RF splitter, a set of track-and-hold circuits, a set of analog-to-digital circuits (ADC) and a frequency tracking module. The RF splitter splits a set of incoming RF signals into multiple RF signal paths. Each of the track-and-hold circuits, which is clocked at a different frequency than others, samples the incoming RF signals from a respective one of the RF signal paths. Each of the ADCs receives the sampled data from a respective one of the track-and-hold circuits. Each of the ADCs is also clocked at same frequency as a corresponding one of the track-and-hold circuits. The frequency tracking module determines a frequency of the incoming RF signals.