<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31301991</termId><termName>feedback</termName><termType>PT</termType><termNote><![CDATA[ In electronics, the result of the return of an output signal from a circuit to the input of the same system. Feedback can be used to boost a signal, though in many cases it is an unwanted byproduct of a signal path, equivalent to noise. ]]></termNote><termCreatedDate>2026-03-30 20:21:11</termCreatedDate><relation><relationType>BT</relationType><termId>31298296</termId><termName>conditions and effects for electronics</termName><termType>PT</termType></relation></term>  </Zthes>