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A 12-bit 40 nm DAC Achieving SFDR > 70 dB at 1.6 GS/s and IMD < –61dB at 2.8 GS/s With DEMDRZ Technique
TLDR
For current-steering digital-to-analog converters (DACs), a technique utilizing dynamic-element-matching and digital return- to-zero, called DEMDRZ, is proposed to simultaneously suppress the mismatch- and transient-induced nonlinearity. Expand
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A Novel Dimeric Coumarin Analog and Antimycobacterial Constituents from Fatoua pilosa
One novel dimeric coumarin analog, fatouapilosin (1), together with 18 known compounds, have been isolated from the whole plants of Fatoua pilosa. The structures of these isolates were elucidated byExpand
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Novel epoxyfuranoid lignans and antitubercular constituents from the leaves of Beilschmiedia tsangii.
Three new epoxyfuranoid lignans, 4alpha,5alpha-epoxybeilschmin A (1), 4alpha,5alpha-epoxybeilschmin B (2), and beilschmin D (3), together with nine known compounds have been isolated from the leavesExpand
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Secondary metabolites from the roots of Neolitsea daibuensis and their anti-inflammatory activity.
Bioassay-guided fractionation of the roots of Neolitsea daibuensis afforded three new β-carboline alkaloids, daibucarbolines A-C (1-3), three new sesquiterpenoids, daibulactones A and B (4 and 5) andExpand
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Benzopyrans, biphenyls and xanthones from the root of Garcinia linii and their activity against Mycobacterium tuberculosis.
A new benzopyran, (S)-3-hydroxygarcibenzopyran, and three new biphenyls, garcibiphenyl C, garcibiphenyl D, garcibiphenyl E, together with thirteen known compounds have been additionally isolated fromExpand
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Secondary metabolites from the roots of Litsea hypophaea and their antitubercular activity.
Bioassay-guided fractionation of the roots of Litsea hypophaea led to the isolation of seven new butanolides, namely, litseakolides H-N (1-7), all with the 3R,4S configuration, as well as three newExpand
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Flavones and Cytotoxic Constituents from the Stem Bark of Muntingia calabura
Two new flavones, 8-hydroxy-7,3',4',5'-tetramethoxyflavone and 8,4'-dihydroxy-7,3',5'-trimethoxyflavone, together with thirteen known compounds have been isolated from the stem bark of MuntingiaExpand
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Phenolic compounds of Isodon oresbius
Two new compounds, oresbiusin A (1) and B (2), have been isolated from Isodon oresbius. The structures of 1 and 2 were elucidated as methyl 3-(3',4'-dihydroxyphenyl) lactate and methylExpand
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Secondary Metabolites from the Root Wood of Zanthoxylum wutaiense and Their Antitubercular Activity
Bioassay‐guided fractionation of the root wood of Zanthoxylum wutaiense led to the isolation of five new compounds, wutaipyranol A (1), 8‐methoxywutaipyranol A (2), demethoxywutaiensal (3),Expand
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Constituents of the root wood of Zanthoxylum wutaiense with antitubercular activity.
Bioassay-guided fractionation of the root wood of Zanthoxylum wutaiense led to the isolation of 11 new compounds, wutaiensol methyl ether (1), demethoxywutaiensol methyl ether (2), methyl wutaiensateExpand
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