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Method to design low noise differential CMOS VCOs without tail current source
A low phase noise LC voltage-controlled oscillator (VCO) design method with differential varactors is proposed. This technique uses the VCO CMOS structure properties instead of a tail current source to limit the current. A VCO providing a 286 MHz signal is designed with 0.35- μ m standard CMOS techn...
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| Published in: | International journal of electronics and communications 2006-01, Vol.60 (2), p.172-178 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c365t-e0217d42142e1af4b073c8fba7cb6b3f7b18ee8d13ab09052c7980c8d529aceb3 |
| container_end_page | 178 |
| container_issue | 2 |
| container_start_page | 172 |
| container_title | International journal of electronics and communications |
| container_volume | 60 |
| creator | Lagutere, Thierry Paillot, Jean-Marie Guegnaud, Hervé |
| description | A low phase noise LC voltage-controlled oscillator (VCO) design method with differential varactors is proposed. This technique uses the VCO CMOS structure properties instead of a tail current source to limit the current. A VCO providing a 286
MHz signal is designed with 0.35-
μ
m standard CMOS technology. This VCO without current limiting MOS transistors has to fulfill APCO, TETRA and TETRAPOL phase noise requirements. The 286
MHz VCO phase noise measurement result is equal to
-
130
dBc
/
Hz
at 100
kHz. |
| doi_str_mv | 10.1016/j.aeue.2005.05.003 |
| format | article |
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m standard CMOS technology. This VCO without current limiting MOS transistors has to fulfill APCO, TETRA and TETRAPOL phase noise requirements. The 286
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μ
m standard CMOS technology. This VCO without current limiting MOS transistors has to fulfill APCO, TETRA and TETRAPOL phase noise requirements. The 286
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μ
m standard CMOS technology. This VCO without current limiting MOS transistors has to fulfill APCO, TETRA and TETRAPOL phase noise requirements. The 286
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130
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| fulltext | fulltext |
| identifier | ISSN: 1434-8411 |
| ispartof | International journal of electronics and communications, 2006-01, Vol.60 (2), p.172-178 |
| issn | 1434-8411 1618-0399 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_03273880v1 |
| source | ScienceDirect Freedom Collection |
| subjects | Computer Science Design method Differential VCO Phase noise Tail current source |
| title | Method to design low noise differential CMOS VCOs without tail current source |
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