Nome: João Caria Indicativo: CT1FGWct1arr.org/wp/wp-content/uploads/2016/09/ct1fgw_10Ghz-1.pdf ·...
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Nome: João Caria
Indicativo: CT1FGW
19/09/2016 Apresentação Almeirim - João Caria 1
ApresentaçãoAlmeirim 2016
Indicativos anteriores: CR6FY, ZR1AGP, ZS1JPC
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Apresentação dos trabalhos
• Transceptor de 144MHz usado como F.I.
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Transverter 10GHz/144MHz
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Beacon para os 3cm
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Linha de fabrico de LNAs para 10GHz
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Um estágio com transistor NE 32584C NF ≈ 0.8 dB
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ANFI + Fonte de ruído
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An
tena
LNA Conversor AMP
Medir NF usando temperatura do espaço e da TerraEsquema do equipamento
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O equipamento usado
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Antena cónica de 22dB ganho para 10GHz
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Amplificador banda largaDois MMIC MAR6 ≥30dB NF≈3dB
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Filtro 144MHz
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Características do filtro
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Atenuador 50 Ohm 10dB/1dB e 1dB/0,2dB
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“Radiómetro”Escala absoluta de -60 a +10dBm escalas relativas
de 10 e 3dB
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Radiómetro
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AD8307
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É assim que se faz
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Como usar o CANFI
19/09/2016Chip Automatic Noise Figure Indicator
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Perguntas?
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