ANALOG AMPLITUDE PRE-DISTORTION CIRCUIT AND METHOD
An analog amplitude pre-distortion circuit and method. The circuit includes an RF input for receiving an RF signal. The circuit also includes an amplifier stage comprising an amplifier stage input coupled to the RF input, wherein the amplifier stage is operable to amplify the RF signal to produce an...
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| creator | van der Heijden, Mark Pieter Bergervoet, Jozef Reinerus Maria de Jong, Gerben Willem |
| description | An analog amplitude pre-distortion circuit and method. The circuit includes an RF input for receiving an RF signal. The circuit also includes an amplifier stage comprising an amplifier stage input coupled to the RF input, wherein the amplifier stage is operable to amplify the RF signal to produce an amplified RF signal. The circuit further includes a bias circuit. The bias circuit includes a transistor having a first current terminal, a second current terminal and a control terminal, wherein the first current terminal is coupled to the amplifier stage input and wherein the second current terminal is coupled to a reference potential. The bias circuit also includes a resistor coupled between the amplifier stage input and the control terminal. The bias circuit also includes a variable reactance component coupled to the control terminal. The bias circuit further includes a capacitor coupled between the control terminal and the reference potential. |
| format | Patent |
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The circuit includes an RF input for receiving an RF signal. The circuit also includes an amplifier stage comprising an amplifier stage input coupled to the RF input, wherein the amplifier stage is operable to amplify the RF signal to produce an amplified RF signal. The circuit further includes a bias circuit. The bias circuit includes a transistor having a first current terminal, a second current terminal and a control terminal, wherein the first current terminal is coupled to the amplifier stage input and wherein the second current terminal is coupled to a reference potential. The bias circuit also includes a resistor coupled between the amplifier stage input and the control terminal. The bias circuit also includes a variable reactance component coupled to the control terminal. 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The circuit includes an RF input for receiving an RF signal. The circuit also includes an amplifier stage comprising an amplifier stage input coupled to the RF input, wherein the amplifier stage is operable to amplify the RF signal to produce an amplified RF signal. The circuit further includes a bias circuit. The bias circuit includes a transistor having a first current terminal, a second current terminal and a control terminal, wherein the first current terminal is coupled to the amplifier stage input and wherein the second current terminal is coupled to a reference potential. The bias circuit also includes a resistor coupled between the amplifier stage input and the control terminal. The bias circuit also includes a variable reactance component coupled to the control terminal. 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The circuit includes an RF input for receiving an RF signal. The circuit also includes an amplifier stage comprising an amplifier stage input coupled to the RF input, wherein the amplifier stage is operable to amplify the RF signal to produce an amplified RF signal. The circuit further includes a bias circuit. The bias circuit includes a transistor having a first current terminal, a second current terminal and a control terminal, wherein the first current terminal is coupled to the amplifier stage input and wherein the second current terminal is coupled to a reference potential. The bias circuit also includes a resistor coupled between the amplifier stage input and the control terminal. The bias circuit also includes a variable reactance component coupled to the control terminal. The bias circuit further includes a capacitor coupled between the control terminal and the reference potential.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AMPLIFIERS BASIC ELECTRONIC CIRCUITRY ELECTRICITY |
| title | ANALOG AMPLITUDE PRE-DISTORTION CIRCUIT AND METHOD |
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