Title:
TRANSMITTER AND SIGNAL PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/150930
Kind Code:
A1
Abstract:
Disclosed in the present application are a transmitter and a signal processing method, which have relatively low power source loss and relatively high safety. The transmitter comprises at least one power amplification circuit and a matching circuit, wherein the matching circuit is coupled to an antenna; and the power amplification circuit comprises a plurality of switched capacitor circuits, which are connected in parallel. A power supply circuit is coupled to the plurality of switched capacitor circuits, and the power supply circuit is used for selectively providing a first level and a second level to the switched capacitor circuits, wherein the first level is less than the second level. The switched capacitor circuits each comprise a first high-side switch, a first low-side switch and a capacitor, wherein the first high-side switch and the first low-side switch are coupled in series between the power supply circuit and a grounding terminal, the capacitor is coupled to the first high-side switch and is coupled to the first low-side switch, and the capacitor is coupled to the matching circuit; the first high-side switch is used for selectively receiving a first steady-state signal and a first digitally adjustable drive signal; and the first low-side switch is used for selectively receiving a second steady-state signal and a second digitally adjustable drive signal.
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Inventors:
TU GUOPING (CN)
Application Number:
PCT/CN2022/075652
Publication Date:
August 17, 2023
Filing Date:
February 09, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H03F3/24
Domestic Patent References:
| WO2021126826A1 | 2021-06-24 |
Foreign References:
| CN110266280A | 2019-09-20 | |||
| CN106471734A | 2017-03-01 | |||
| CN109560776A | 2019-04-02 | |||
| US20160336909A1 | 2016-11-17 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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