Patent ID: 7106124
Filing Date: 2006-09-12
Classification: H03F

Abstract:
1. An RF amplifier, comprising: an RF amplification unit arranged on a substrate, the RF amplification unit comprising: a gate electrode arranged on the substrate; a cathode electrode arranged on the substrate and separated from the gate electrode by a predetermined distance; an anode electrode arranged on the substrate, the gate electrode being arranged between the anode electrode and the cathode electrode; an electron emission source arranged on the cathode electrode, the electron emission source adapted to emit electrons by an electric field; a reflection electrode arranged over the substrate and in parallel with the substrate; an RF signal input terminal electrically connected to the cathode electrode; an RF signal output terminal electrically connected to the anode electrode; a DC cathode bias voltage electrically connected to the cathode electrode; and a DC anode bias voltage electrically connected to the anode electrode.