A CMOS 4/spl times/ speed DVD read channel IC
Optical disk is a data storage medium of the highest density, and is widely used for compact disk and digital versatile disk (CD/DVD) players and read-only memory and random-access memory (ROM/RAM) drives. In this work, all functions for 1/spl times/ speed DVD read channels are integrated on a singl...
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| Veröffentlicht in: | IEEE journal of solid-state circuits 1998-08, Vol.33 (8), p.1168-1178 |
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| container_end_page | 1178 |
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| container_issue | 8 |
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| container_title | IEEE journal of solid-state circuits |
| container_volume | 33 |
| creator | Chun-Sup Kim Geo-Ok Cho Yong-Hwan Kim Bang-Sup Song |
| description | Optical disk is a data storage medium of the highest density, and is widely used for compact disk and digital versatile disk (CD/DVD) players and read-only memory and random-access memory (ROM/RAM) drives. In this work, all functions for 1/spl times/ speed DVD read channels are integrated on a single 0.8-/spl mu/m CMOS chip. A ninth-order pulse slimming equalizer with two zeros is made programmable to cover a frequency range of over five octaves from 0.7 to 25 MHz with high-frequency boost of 12 db and group delay variation of less than /spl plusmn/3%. A one-beam tracking error detector features six allpass delay equalizers with a tunable delay range of 93 ns at 2 MHz. Other control functions integrated on the chip are three-beam tracking error generator, laser power control circuit, and detectors for track crossing, disk defect, signal envelope, focus error, etc. The chip occupies 25 mm/sup 2/ and consumes 500 mW at 5 V. |
| doi_str_mv | 10.1109/4.705355 |
| format | Article |
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In this work, all functions for 1/spl times/ speed DVD read channels are integrated on a single 0.8-/spl mu/m CMOS chip. A ninth-order pulse slimming equalizer with two zeros is made programmable to cover a frequency range of over five octaves from 0.7 to 25 MHz with high-frequency boost of 12 db and group delay variation of less than /spl plusmn/3%. A one-beam tracking error detector features six allpass delay equalizers with a tunable delay range of 93 ns at 2 MHz. 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In this work, all functions for 1/spl times/ speed DVD read channels are integrated on a single 0.8-/spl mu/m CMOS chip. A ninth-order pulse slimming equalizer with two zeros is made programmable to cover a frequency range of over five octaves from 0.7 to 25 MHz with high-frequency boost of 12 db and group delay variation of less than /spl plusmn/3%. A one-beam tracking error detector features six allpass delay equalizers with a tunable delay range of 93 ns at 2 MHz. 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In this work, all functions for 1/spl times/ speed DVD read channels are integrated on a single 0.8-/spl mu/m CMOS chip. A ninth-order pulse slimming equalizer with two zeros is made programmable to cover a frequency range of over five octaves from 0.7 to 25 MHz with high-frequency boost of 12 db and group delay variation of less than /spl plusmn/3%. A one-beam tracking error detector features six allpass delay equalizers with a tunable delay range of 93 ns at 2 MHz. Other control functions integrated on the chip are three-beam tracking error generator, laser power control circuit, and detectors for track crossing, disk defect, signal envelope, focus error, etc. The chip occupies 25 mm/sup 2/ and consumes 500 mW at 5 V.</abstract><pub>IEEE</pub><doi>10.1109/4.705355</doi></addata></record> |
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| ispartof | IEEE journal of solid-state circuits, 1998-08, Vol.33 (8), p.1168-1178 |
| issn | 0018-9200 1558-173X |
| language | eng |
| recordid | cdi_ieee_primary_705355 |
| source | IEEE Electronic Library (IEL) |
| subjects | CD recording CMOS digital integrated circuits CMOS integrated circuits Delay Equalizers Error correction High speed integrated circuits Photonic integrated circuits Random access memory |
| title | A CMOS 4/spl times/ speed DVD read channel IC |
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