Patent ID: 6687493
Filing Date: 2004-02-03
Classification: H03C,H03D,H04B,H04L

Abstract:
A circuit for down-converting a first signal to produce a lower frequency second signal, comprising:an n-channel field effect transistor (FET) having a source, gate, and drain, wherein said first signal is electrically coupled to said source of said n-channel FET; a p-channel FET having a source, gate, and drain, wherein said first signal is electrically coupled to said source of said p-channel FET; an inverter having an input and an output, wherein said input is electrically coupled to a control signal, and said output is electrically coupled to said gate of said p-channel FET, and wherein said control signal is electrically coupled to said gate of said n-channel FET; and a capacitor having a first node and a second node, wherein said first node is electrically coupled to said drains of said n-channel and p-channel FETs, and said second node is electrically coupled to a reference, and wherein said second signal is available at said first node.