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2.4 to 4.5 GHz

Design and Characterization of a 5 2 GHz/2 4 GHz Fractional  Frequency Synthesizer for Low Phase Noise Performance

Design and Characterization of a 5 2 GHz/2 4 GHz Fractional Frequency Synthesizer for Low Phase Noise Performance

... The details of the actual circuit implementation will not be discussed in this paper, but are similar to those given in [11]. The raw VCO phase noise can be either predicted from a calculation [6] or else simulated with ...

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MIMO Reconfigurable Antennas for Wi Fi 2 4 GHz Communication

MIMO Reconfigurable Antennas for Wi Fi 2 4 GHz Communication

... 2.4 GHz and 5 GHz. Wi-Fi usually operates in 2.4 GHz and 5 GHz ...2.4 GHz band has become overcrowded and lead to interference being directed towards low information rate ...

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A Survey on Interference Mitigation Techniques for 2 4 GHz ISM Band

A Survey on Interference Mitigation Techniques for 2 4 GHz ISM Band

... mitigation technique based on Split Channel Reservation Multiple Access (SRMA). This is one of the earliest methods proposed to handle interference in the communication. In this technique, the author suggested to split ...

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4 [5 (4 Fluoro­phen­yl) 3 iso­propyl­isoxazol 4 yl]pyridin 2(1H) one

4 [5 (4 Fluoro­phen­yl) 3 iso­propyl­isoxazol 4 yl]pyridin 2(1H) one

... Compound (II) (Fig. 1) was prepared in the course of our studies on isoxazole derivatives bearing the typical vicinal pyridine-4-fluorophenyl pharmacophore of MAPK inhibitors. These compounds are supposed to bind ...

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1 Ethyl 5 (4 meth­oxy­benzoyl) 4 (4 meth­oxy­phenyl)­pyrimidine 2(1H) thione

1 Ethyl 5 (4 meth­oxy­benzoyl) 4 (4 meth­oxy­phenyl)­pyrimidine 2(1H) thione

... In general, pyrimidines have found much interest for their widespread potential biological activities (Kleemann & Engel, 1982) and medicinal applications, and so their chemistry has been investigated extensively ...

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4 (4 Meth­oxy­phen­yl) 5 (4 methyl­phen­yl) 3 (2 pyrid­yl) 4H 1,2,4 triazole

4 (4 Meth­oxy­phen­yl) 5 (4 methyl­phen­yl) 3 (2 pyrid­yl) 4H 1,2,4 triazole

... C1 0.0374 (11) 0.0456 (13) 0.0442 (12) −0.0009 (10) 0.0133 (10) −0.0044 (10) C2 0.0373 (12) 0.0440 (13) 0.0426 (12) −0.0065 (10) 0.0129 (10) −0.0060 (10) C3 0.0363 (11) 0.0431 (13) 0.0474 (13) −0.0032 (10) 0.0133 (10) ...

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4 (4 Chloro­phen­yl) 5 (4 methyl­phen­yl) 3 (2 pyrid­yl) 4H 1,2,4 triazole

4 (4 Chloro­phen­yl) 5 (4 methyl­phen­yl) 3 (2 pyrid­yl) 4H 1,2,4 triazole

... Cl1 0.0768 (3) 0.0382 (2) 0.0573 (3) −0.00355 (18) 0.0189 (2) −0.01126 (17) N1 0.0494 (7) 0.0372 (6) 0.0504 (7) 0.0031 (5) 0.0147 (6) −0.0034 (5) N2 0.0494 (7) 0.0362 (6) 0.0521 (7) −0.0017 ...

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Spiro­[5 carbo­meth­oxy 2 (4 meth­oxy­phenyl) 4 (4 methyl­phenyl)­pyrrolidine 3,3′ chroman 4′ one]

Spiro­[5 carbo­meth­oxy 2 (4 meth­oxy­phenyl) 4 (4 methyl­phenyl)­pyrrolidine 3,3′ chroman 4′ one]

... methoxy substituent is in an antiperiplanar conformation. The molecules in the crystal lattice are stabilized by intermolecular CÐH O interactions in addition to van der Waals contacts (Fig. 2). As a result of the ...

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Methyl 4 [5 (4 fluoro­phen­yl) 4 (pyridin 4 yl) 1H imidazol 2 ylsulfan­yl]butanoate

Methyl 4 [5 (4 fluoro­phen­yl) 4 (pyridin 4 yl) 1H imidazol 2 ylsulfan­yl]butanoate

... methyl 4-(5-(4-fluorophenyl)-4-(pyridin-4-yl)-1H-imidazol-2-ylthio)butanoate ( I ) is shown in Figure ...(Figure 2) shows that N5—H5 of the imidazole ring forms an ...

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Python Docs 2 5 2 (4) pdf

Python Docs 2 5 2 (4) pdf

... cluding without limitation the federal copyright law, and, to the extent such U.S. federal law does not apply, by the law of the Commonwealth of Virginia, excluding Virginia’s conflict of law provisions. Notwithstand- ...

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3 [5 (4 Fluoro­phen­yl) 1,3,4 thia­diazol 2 yl] 2 (4 meth­oxy­phen­yl) 1,3 thia­zolidin 4 one

3 [5 (4 Fluoro­phen­yl) 1,3,4 thia­diazol 2 yl] 2 (4 meth­oxy­phen­yl) 1,3 thia­zolidin 4 one

... N2 0.057 (3) 0.064 (3) 0.069 (3) −0.029 (2) −0.007 (2) −0.003 (2) N3 0.058 (3) 0.068 (3) 0.063 (3) −0.028 (2) −0.007 (2) −0.008 (2) C1 0.100 (5) 0.094 (5) 0.075 ...

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5 (4 Meth­oxy­benzo­yl) 4 (4 meth­oxy­phen­yl) 1 [1 (4 meth­oxy­phen­yl)ethyl­­idene­amino]pyrimidin 2(1H) one

5 (4 Meth­oxy­benzo­yl) 4 (4 meth­oxy­phen­yl) 1 [1 (4 meth­oxy­phen­yl)ethyl­­idene­amino]pyrimidin 2(1H) one

... 4-(4-Methoxybenzoyl)-5-(4-methoxyphenyl)furan-2,3-dione, (1) (0.28 g, 0.83 mmol), and p-methoxyacetophenonsemicarbazone, (2) (0.17 g, 0.83 mmol), were refluxed in toluene for 5 ...

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Crystal structures of butyl 2 amino 5 hy­dr­oxy 4 (4 nitro­phen­yl)benzo­furan 3 carboxyl­ate and 2 meth­­oxy­ethyl 2 amino 5 hy­dr­oxy 4 (4 nitro­phen­yl)benzo­furan 3 carboxyl­ate

Crystal structures of butyl 2 amino 5 hy­dr­oxy 4 (4 nitro­phen­yl)benzo­furan 3 carboxyl­ate and 2 meth­­oxy­ethyl 2 amino 5 hy­dr­oxy 4 (4 nitro­phen­yl)benzo­furan 3 carboxyl­ate

... The supramolecular architectures for the crystal structures of BF1 and BF2 (Fig. 10) were visualized by energy framework calculations (Turner et al., 2015; Mackenzie et al., 2017) that were performed using CE-B3LYP ...

19

(2S,4′R,5′R) (E) tert Butyl 2 acetyl 2 (2 oxo 5 phenyl 1,3 dioxolan 4 ylmeth­yl) 5 phenyl­pent 4 enoate

(2S,4′R,5′R) (E) tert Butyl 2 acetyl 2 (2 oxo 5 phenyl 1,3 dioxolan 4 ylmeth­yl) 5 phenyl­pent 4 enoate

... dissolved in dichloromethane (100 ml) and 1,1′-carbonyldiimidazole (1.5 equiv.) was added to the stirred solution at room temperature. The reaction mixture was stirred until completion to give a complex mixture of ...

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(2 Anilino 4 methyl­thia­zol 5 yl)(4 chloro­phen­yl)methanone

(2 Anilino 4 methyl­thia­zol 5 yl)(4 chloro­phen­yl)methanone

... C14B 0.080 (2) 0.078 (2) 0.0579 (19) −0.0186 (19) 0.0162 (18) 0.0050 (16) C14C 0.086 (3) 0.085 (2) 0.076 (2) −0.013 (2) 0.028 (2) 0.0233 (19) C15A 0.073 (2) 0.102 (3) ...

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5 (4 Meth­oxy­phenyl) 4 methyl­thia­zole 2(3H) thione

5 (4 Meth­oxy­phenyl) 4 methyl­thia­zole 2(3H) thione

... N3 0.0280 (15) 0.0356 (17) 0.0412 (16) −0.0028 (13) −0.0013 (14) −0.0052 (14) O1 0.0383 (15) 0.0718 (18) 0.0581 (16) 0.0057 (14) 0.0133 (13) 0.0038 (13) S1 0.0338 (5) 0.0381 (5) 0.0491 (6) −0.0032 ...

7

4 Bromo 2 [5 methyl 2 (morpholin 4 yl) 1,3 thia­zol 4 yl]phenol

4 Bromo 2 [5 methyl 2 (morpholin 4 yl) 1,3 thia­zol 4 yl]phenol

... A mixture of 1-(5-bromo-2-hydroxyphenyl)-2-thiocyanatopropan-1-one (0.3 mmol) and morpholine (0.45 mmol) in 50 ml of methanol was heated under reflux for 20 min (Seliger et al., 1997). After 24 h the ...

7

N (2 {[5 Bromo 2 (morpholin 4 yl)pyrimidin 4 yl]sulfan­yl} 4 meth­­oxy­phen­yl) 4 chloro­benzene­sulfonamide

N (2 {[5 Bromo 2 (morpholin 4 yl)pyrimidin 4 yl]sulfan­yl} 4 meth­­oxy­phen­yl) 4 chloro­benzene­sulfonamide

... C9 0.063 (2) 0.052 (2) 0.0365 (18) 0.0063 (18) 0.0070 (16) 0.0057 (16) C10 0.057 (2) 0.045 (2) 0.052 (2) 0.0012 (17) 0.0192 (17) 0.0131 (17) C11 0.0397 (18) 0.0387 (19) 0.060 (2) ...

9

4 (4 Chloro­phen­yl) 5 [1 (4 chloro­phenyl) 2 methyl 2 nitro­prop­yl] 1,2,3 selena­diazole

4 (4 Chloro­phen­yl) 5 [1 (4 chloro­phenyl) 2 methyl 2 nitro­prop­yl] 1,2,3 selena­diazole

... of 2-[1,3-bis(4-chlorophenyl)-4-methyl-4-nitropentylidene]-1-hydrazine carboxamide ...give 4-(4- chlorophenyl)-5-[1-(4-chlorophenyl)-2-methyl-2- ...

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N [2 (5 Bromo 2 morpholin 4 ylpyrim­idin 4 ylsulfan­yl) 4 meth­­oxy­phen­yl] 2,4,6 tri­methyl­benzene­sulfonamide

N [2 (5 Bromo 2 morpholin 4 ylpyrim­idin 4 ylsulfan­yl) 4 meth­­oxy­phen­yl] 2,4,6 tri­methyl­benzene­sulfonamide

... adopts a chair conformation. The molecular conformation is stabilized by a weak intramolecular – stacking interaction between the pyrimidine and the 2,4,6-trimethylbenzene rings [centroid–centroid distance = 3.793 ...

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