Radio frequency switch control circuitry

Apparatus and methods for radio frequency (RF) switch control are provided. In certain embodiments, a level shifter for an RF switch includes a first level-shifting n-type transistor, a first cascode n-type transistor in series with the first level-shifting n-type transistor between a negative charg...

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Bibliographic Details
Main Authors DEVARAJ, ABHISHEKH, CHOI, YUN-YOUNG, BALTEANU, FLORINEL G, NAGARAJAN, SACHIN
Format Patent
LanguageChinese
English
Published 16.02.2023
Subjects
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION
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Summary:Apparatus and methods for radio frequency (RF) switch control are provided. In certain embodiments, a level shifter for an RF switch includes a first level-shifting n-type transistor, a first cascode n-type transistor in series with the first level-shifting n-type transistor between a negative charge pump voltage and a first output that provides a first switch control signal, a first level-shifting p-type transistor, a first cascode p-type transistor in series with the first level-shifting p-type transistor between a positive charge pump voltage and the first output, and a second cascode p-type transistor between a regulated voltage and a gate of the first level-shifting n-type transistor and controlled by a first switch enable signal.
Bibliography:Application Number: TW202211123227