Spectrum shaping voltage to current converter

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United States of America Patent

PATENT NO 9948234
SERIAL NO

14440186

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A voltage controlled oscillator (VCO) is disclosed. The VCO includes an amplifier that receives a control signal and a feedback signal and generates an amplified output signal based on the difference between the control signal and the feedback signal. The VCO also includes circuitry to generate an oscillating output signal based on the amplifier output signal. Additionally, the VCO includes a feedback amplifier that generates the feedback signal based on the output of the amplifier. The feedback amplifier includes a first resistor connected in parallel with a second resistor, the second resistor having an adjustable resistance.

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Patent Owner(s)

  • LATTICE SEMICONDUCTOR CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fu, Yibin Shanghai, CN 4 5
Lei, Kai Shanghai, CN 13 13
Luo, Kexin Shanghai, CN 11 95
Shen, Yu Shanghai, CN 85 622
Wang, Xiaofeng Shanghai, CN 171 938
Wu, Qiming Shanghai, CN 18 52
Wu, Zhi Shanghai, CN 25 64
Zhou, Kai Shanghai, CN 141 390

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