http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20040065048-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c16d2144a81bfa32a665dca1e93c3d37 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H03L7-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H03L7-0896 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H03L7-089 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H03L7-093 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H03L7-08 |
| filingDate | 2003-01-14^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ace2ded595e3b5f05017ebafe2b9e3ef |
| publicationDate | 2004-07-21^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20040065048-A |
| titleOfInvention | Differential charge pump and method, and Phase locked loop using this pump and method |
| abstract | The present invention discloses a differential charge pump and method, and a phase locked loop and method using the same. The pump inputs a first driver to generate a first output signal by inputting a first input signal, a second driver to generate a second output signal by inputting a second input signal, and inputs an inverted signal of the second input signal. A third driver for generating a third output signal having the same voltage level as the first output signal, a third driver for generating a fourth output signal having the same voltage level as the second output signal by inputting an inverted signal of the first input signal; 4 driver, a first transistor having a gate connected to the first bias voltage and a source to which the first output signal is applied, and a drain connected to the first differential charge pump output signal, and a gate and a second output signal connected to the first bias voltage are applied. A second transistor having a source and a drain connected to the second differential charge pump output signal, a gate connected to the second bias voltage, a source to which the third output signal is applied, and a first differential charge pump output It is composed of a third transistor, and a fourth transistor having a drain connected to the source and a second differential charge pump output signal to be applied to the gate and the fourth output signal connected to the second bias voltage having a drain connected to the call. Therefore, the switching noise generated at the transition of the input signals is reduced, thereby improving the operating performance. |
| priorityDate | 2003-01-14^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID453034310 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID516892 |
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