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US 9,680,448 B2Granted
Gain-boosted n-path passive-mixer-first receiver with a single mixing step
AssigneeUniversity of Macau
InventorsPui-In Mak, Zhicheng Lin, Rui Paulo da Silva Martins
Life of this patent
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Abstract
The present invention discloses a gain-boosted n-path passive-mixer-first receiver. According to another aspect of the present disclosure, a gain-boosted n-path passive-mixer-first receiver is provided. The receiver includes a number n of switch-capacitor (sc) sets, a resistor, and a transconductance amplifier. The sc sets connect in parallel, and the sc sets have a first node and a second node. The resistor connects to the first node. The transconductance amplifier connects to the resistor and the second node.
Claims2
A gain-boosted n-path passive-mixer-first receiver, comprising:
- a number n of switch-capacitor (sc) sets connected in parallel, wherein the sc sets have a first node and a second node;
- a resistor, connected to the first node;
- and
- a transconductance amplifier, connected to the resistor and the second node;
- wherein each of the sc sets further comprises a third nodes at a connection point between the switch and the capacitor;
- wherein a high frequency voltage signal is input to an input of the transconductance amplifier, and a result low-frequency voltage signal is output at one of the third nodes;
- wherein the sc sets driven by a set of multiple-phase non-overlapping clock, with its clock frequency also defines the operating frequency of the receiver;
- wherein the low-frequency voltage signals at the third nodes have different phase with respect to each other.
5 more elements
Dependencies are inferred from the claim text.