H03D13/008 - CPC Classification Index

ClassID:

219061 ⎘

H03D13/008 - CPC Classification

Classification description:

Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using transistors

Recent Application in this class:

20120177162

2012-07-12

Symmetric Phase Detector

20110221476

2011-09-15

Phase frequency detector

20110148467

2011-06-23

Phase-detector for detecting phase difference of [PI]2N

20100090723

2010-04-15

Symmetric phase detector

20060082399

2006-04-20

Combined phase comparator and charge pump circuit