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Os motores de busca de Datasheet de Componentes eletrônicos |
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ADL5324ARKZ-R7 Folha de dados(PDF) 17 Page - Analog Devices |
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ADL5324ARKZ-R7 Folha de dados(HTML) 17 Page - Analog Devices |
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17 / 20 page  Data Sheet ADL5324 Rev. 0 | Page 17 of 20 EVALUATION BOARD The schematic of the ADL5324 evaluation board is shown in Figure 39. This evaluation board uses 25 mil wide traces and is made from FR4 material. The evaluation board comes tuned for operation in the 2110 MHz to 2170 MHz tuning band. Tuning options for other frequency bands are also provided in Table 9. The recommended placement for these components is provided in Table 10. The inputs and outputs should be ac-coupled with appropriately sized capacitors. dc bias is provided to the amp- lifier via an inductor connected to the RFOUT pin. A bias voltage of 5 V is recommended. 1 2 (2) 3 ADL5324 C6 10µF C5 10nF C4 100pF L1 15nH VSUP GND RFIN C7 20pF C23 2.2pF RFOUT C31 2.4pF C12 2pF λ14 λ24 1MURATA HIGH Q CAPACITOR GRM615COG2R4B50 OR EQUIVALENT. 2MURATA HIGH Q CAPACITOR GRM615COG020B50 OR EQUIVALENT. 3MURATA HIGH Q CAPACITOR GRM615COG2R2B50 OR EQUIVALENT. 4SEE TABLE 10 FOR RECOMMENDED COMPONENT SPACING. R1 0Ω R2 0Ω Figure 39. Evaluation Board, 2110 MHz to 2170 MHz R2 0 Ω R1 0Ω C3 2.4pF 100pF L1 15nH C7 20pF C2 2.2pF 193mils 65mils C1 2pF Figure 40. Evaluation Board Layout and Default Component Placement for 2110 MHz to 2170 MHz Table 10. Recommended Components for Basic Connections Function/ Component 420 MHz to 494 MHz 728 MHz to 768 MHz 800 MHz to 960 MHz 1880 MHz to 1990 MHz 2110 MHz to 2170 MHz (Default) 2300 MHz to 2400 MHz 2560 MHz to 2690 MHz 3500 MHz to 3700 MHz AC Coupling Capacitors C3 = 0402 10 pF 10pF1 10 pF 2.4 pF1 2.4 pF1 2.4 pF1 2pF1 1pF1 C7 = 0402 20 pF 20 pF 20 pF 20 pF 20 pF 20 pF 20 pF1 20 pF Power Supply Bypassing Capacitors C4 = 0402 100 pF 100 pF 100 pF 100 pF 100 pF 100 pF 100 pF 100 pF C5 = 0603 10 nF 10 nF 10 nF 10 nF 10 nF 10 nF 10 nF 10 nF C6 = 1206 10 µF 10 µF 10 µF 10 µF 10 µF 10 µF 10 µF 10 µF DC Bias Inductor 120 nH 18 nH 18 nH 15 nH 15 nH 15 nH 15 nH 15 nH L1 = 0603CS Tuning Capacitors C1 = 0402 20 pF1 8 pF1 8 pF1 2.4 pF1 2.0 pF1 1.5 pF1 1.0 pF1 0.5 pF1 C2 = 0402 6.2 pF1 3.9 pF1 3.6 pF1 2.4 pF1 2.2 pF1 2.0 pF1 2.0 pF1 0.75 pF1 Jumpers R1 = 0402 2 Ω 2 Ω 2 Ω 0 Ω 0 Ω 0 Ω 0 Ω 0 Ω R2 = 0402 5.6 nH2 2.4 nH3 2.4 nH3 0 Ω 0 Ω 0 Ω 0 Ω 4.7 nH3 Power Supply Connections VSUP Red test loop GND Black test loop 1 Murata High Q capacitor. 2 Add a 1.6 nH at input (see Figure 41). 3 Coilcraft 0402CS series. |
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