H03F3/3055 - CPC Classification Index

ClassID:

219278 ⎘

H03F3/3055 - 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 Parallelled mixed SEPP stages, e.g. a CMOS common drain and a CMOS common source in parallel or bipolar SEPP and FET SEPP in parallel

Sub-classes:

H03F3/3057 » {with asymmetrical driving of the end stage} 0
H03F3/3059 » {with symmetrical driving of the end stage} 4

Recent Application in this class:

20180054200

2018-02-22

Differential logic with low voltage supply

20050069027

2005-03-31

Transmitter

15660296

2018-10-02

Supply-noise-rejecting current source