H03F3/305 - CPC Classification Index

ClassID:

219275 ⎘

H03F3/305 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Single-ended push-pull amplifiers ; Phase-splitters therefor with field-effect transistors; Junction FET SEPP output stages with symmetrical driving of the end stage

Sub-classes:

H03F3/3052 » {using opamps as driving stages} 1
H03F3/3054 » {using two SEPP driving stages} 0

Recent Application in this class:

20190165612

WIRELESS ELECTRIC FIELD POWER TRANSFER SYSTEM, METHOD, TRANSMITTER AND RECEIVER THEREFOR

20180152149

Doherty amplifier

20130147427

Wireless resonant electric field power transfer system and method using high Q-factor coils

20110163809

Push-pull output circuit

16117650

Current-mode feedback source follower with enhanced linearity