Envelope tracking with low frequency loss correction
AssigneeSkyworks Solutions, Inc.
InventorsFlorinel G. Balteanu, Jose Alejandro Macedo, Peter Harris Robert Popplewell, Jakub F. Pingot
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AssigneeSkyworks Solutions, Inc.
InventorsFlorinel G. Balteanu, Jose Alejandro Macedo, Peter Harris Robert Popplewell, Jakub F. Pingot
Estimating the term…
A low frequency loss correction circuit that improves the efficiency of a power amplifier at near-DC low frequencies The low frequency loss correction circuit can include a signal error detection circuit configured to produce an error signal in response to detecting one or more frequency components of a tracking signal below a cutoff frequency that are substantially attenuated through a capacitive path. The low frequency loss correction circuit can include a drive circuit configured to convert the error signal into a low frequency correction signal, and provide the low frequency correction signal to a voltage supply line, the low frequency correction signal including at least some of the one or more frequency components of the tracking signal below a cutoff frequency that are substantially attenuated through the capacitive path.
A low frequency loss correction circuit comprising:
A power amplifier module comprising:
A wireless device comprising:
Dependencies are inferred from the claim text.