H03H11/1221 - CPC Classification Index

ClassID:

220857 ⎘

H03H11/1221 - CPC Classification

Classification description:

Networks using active elements; Multiple-port networks; Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers Theory; Synthesis

Recent Application in this class:

20240283432

2024-08-22

LOGARITHMIC DEMODULATOR FOR LASER WAVELENGTH-MODULATON SPECTROSCOPY

20230353128

2023-11-02

Logarithmic demodulator for laser Wavelength-Modulaton Spectroscopy

20140137069

2014-05-15

Filter design tool

20140137067

2014-05-15

Filter design tool

20120293248

2012-11-22

ACTIVE AND CONFIGURABLE FILTER DEVICE