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ADL5604ACPZ-R7 数据表(PDF) 16 Page - Analog Devices |
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ADL5604ACPZ-R7 数据表(HTML) 16 Page - Analog Devices |
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16 / 24 page ![]() ADL5604 Rev. 0 | Page 16 of 24 ADL5604 MATCH The ADL5604 is easily matched with three matching components and a microstrip line used as inductance. If spacing is tight, an external inductor can take the place of the microstrip line. The output match includes a short (76 mils, including the portion that is used as the pad for the chip) non 50 Ω line to accommo- date the four output pins and allow for easier low inductance output matching. The pads for Pin 9 to Pin 12 are included on this microstrip line, as well as the pad for the L1 bias inductor. The extended length allows the bias inductor to be placed close to the chip, where the impedance is lowest, while allowing a low inductance path to a shunt capacitor to ground. This extra length allows for alternative matching but is also included in the output match at all frequencies. Table 5 and Table 6 detail the component spacing and values for the input and output matching networks for the ADL5604 for the different frequencies. Figure 36 through Figure 41 show the matching networks. Table 5. Component Spacing Frequency λ1 (mils) λ2 (mils) λ3 (mils) λ4 (mils) λ5 (mils) 748 MHz 67 348 41 272 106 880 MHz 75 138 41 181 154 943 MHz N/A 118 41 220 95 1960 MHz 35 N/A 41 232 N/A 2140 MHz 45 182 41 197 N/A 2630 MHz 55 182 41 126 N/A Table 6. Component Values Frequency C1 (pF) C2 (pF) C3 (pF) C4 (pF) C5 (pF) L1 (nH) L2 (nH) Lout (nH) 748 MHz 100 pF 100 pF 10.0 pF 20.0 pF 7.0 pF 16 nH N/A 2.7 nH 880 MHz 100 pF 100 pF N/A 9.0 pF 6.0 pF 16 nH N/A 3.6 nH 943 MHz 100 pF 100 pF 12.0 pF N/A 6.2 pF 16 nH N/A 3.0 nH 1960 MHz 22 pF 22 pF 0 Ω 4.3 pF 2.2 pF 16 nH N/A N/A 2140 MHz 0 Ω 22 pF 1.3 pF 2.7 pF 2.4 pF 16 nH N/A N/A 2630 MHz 22 pF 22 pF N/A 2.2 pF 1.8 pF 16 nH 4.3 nH N/A RFOUT 12 11 10 9 RFIN 16 1 2 13 14 15 GND GND GND GND RFIN RFOUT RFOUT RFOUT RFOUT RFIN C4 20pF C3 10pF LOUT 2.7nH R1 5.1 Ω C5 7pF C2 100pF L1 16nH C1 100pF λ2 λ1 λ4 λ5 λ3 ADL5604 Figure 36. ADL5604 Match Parameters, 748 MHz |
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