A 0.9-V 60- μW 1-Bit Fourth-Order Delta-Sigma Modulator With 83-dB Dynamic Range
A 0.9-V 60-muW delta-sigma modulator is designed using standard CMOS 0.13-mum technology. The modulator achieves 83-dB dynamic range in a signal bandwidth of 20 kHz with a sampling frequency of 2 MHz. The input-feedforward architecture is used to reduce the voltage swing of the integrators, which en...
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| Veröffentlicht in: | IEEE journal of solid-state circuits 2008-02, Vol.43 (2), p.361-370 |
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| container_end_page | 370 |
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| container_issue | 2 |
| container_start_page | 361 |
| container_title | IEEE journal of solid-state circuits |
| container_volume | 43 |
| creator | ROH, Jeongjin BYUN, Sanho CHOI, Youngkil ROH, Hyungdong KIM, Yi-Gyeong KWON, Jong-Kee |
| description | A 0.9-V 60-muW delta-sigma modulator is designed using standard CMOS 0.13-mum technology. The modulator achieves 83-dB dynamic range in a signal bandwidth of 20 kHz with a sampling frequency of 2 MHz. The input-feedforward architecture is used to reduce the voltage swing of the integrators, which enables low-power amplifiers. By considering the characteristics of the modulator architecture, low-quiescent operational transconductance amplifiers are designed, which use positive feedback to increase dc gain. The designed modulator shows very high figure of merit among the state-of-the-art sub-l-V modulators. |
| doi_str_mv | 10.1109/JSSC.2007.914266 |
| format | Article |
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The modulator achieves 83-dB dynamic range in a signal bandwidth of 20 kHz with a sampling frequency of 2 MHz. The input-feedforward architecture is used to reduce the voltage swing of the integrators, which enables low-power amplifiers. By considering the characteristics of the modulator architecture, low-quiescent operational transconductance amplifiers are designed, which use positive feedback to increase dc gain. The designed modulator shows very high figure of merit among the state-of-the-art sub-l-V modulators.</description><identifier>ISSN: 0018-9200</identifier><identifier>EISSN: 1558-173X</identifier><identifier>DOI: 10.1109/JSSC.2007.914266</identifier><identifier>CODEN: IJSCBC</identifier><language>eng</language><publisher>New York, NY: Institute of Electrical and Electronics Engineers</publisher><subject>Amplifiers ; Applied sciences ; Architecture ; Circuit properties ; Design. Technologies. Operation analysis. Testing ; Direct current ; Dynamic range ; Electric potential ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronics ; Exact sciences and technology ; Integrated circuits ; Modulators ; Positive feedback ; Sampling ; Semiconductor electronics. Microelectronics. Optoelectronics. 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The modulator achieves 83-dB dynamic range in a signal bandwidth of 20 kHz with a sampling frequency of 2 MHz. The input-feedforward architecture is used to reduce the voltage swing of the integrators, which enables low-power amplifiers. By considering the characteristics of the modulator architecture, low-quiescent operational transconductance amplifiers are designed, which use positive feedback to increase dc gain. The designed modulator shows very high figure of merit among the state-of-the-art sub-l-V modulators.</description><subject>Amplifiers</subject><subject>Applied sciences</subject><subject>Architecture</subject><subject>Circuit properties</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Direct current</subject><subject>Dynamic range</subject><subject>Electric potential</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Integrated circuits</subject><subject>Modulators</subject><subject>Positive feedback</subject><subject>Sampling</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. 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Technologies. Operation analysis. Testing</topic><topic>Direct current</topic><topic>Dynamic range</topic><topic>Electric potential</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Integrated circuits</topic><topic>Modulators</topic><topic>Positive feedback</topic><topic>Sampling</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. 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| fulltext | fulltext |
| identifier | ISSN: 0018-9200 |
| ispartof | IEEE journal of solid-state circuits, 2008-02, Vol.43 (2), p.361-370 |
| issn | 0018-9200 1558-173X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_875092320 |
| source | IEEE Electronic Library (IEL) |
| subjects | Amplifiers Applied sciences Architecture Circuit properties Design. Technologies. Operation analysis. Testing Direct current Dynamic range Electric potential Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Integrated circuits Modulators Positive feedback Sampling Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors |
| title | A 0.9-V 60- μW 1-Bit Fourth-Order Delta-Sigma Modulator With 83-dB Dynamic Range |
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