An amplifier biasing stage includes a transistor that provides a biasing signal for a complementary pair of field-effect transistors included in an output stage of an amplifier. The amplifier biasing stage also includes one resistive element connected to an emitter of the transistor, another resistive element connected to a base of the transistor, and still another resistive element connected to a collector of the transistor. The respective resistances of the resistive elements are selected to substantially match a voltage provided by the amplifier biasing stage to a gate-to-source voltage of the complementary pair of field-effect transistors. The resistances of the resistive elements are also selected to substantially match a temperature coefficient of the amplifier biasing stage to a temperature coefficient of the complimentary pair of field-effect transistors.
Please note there is up to 60 days of latency in this Status indicator for certain status conditions. You can obtain up-to-date Status indicator readings by ordering PAIR for the file.
An application with the status "Published" (which means it is pending) may be recently abandoned, but not yet updated to reflect its abandoned status. However, an application filed less than one year ago is unlikely to be abandoned.
A patent with the status "Granted" may be recently expired, but not yet updated to reflect its expired status. However, it is highly unlikely a patent less than 3.5 years old would be expired.
An application with the status "Abandoned" is almost always current, but there is a small chance it was recently revived and the status not yet updated.
This priority date is an estimated earliest
priority date and is purely an estimation. This date should not be
taken as legal conclusion. No representations are made as to the
accuracy of the date listed. Please consult a legal professional
before relying on this date.