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ADL5920ACPZ-R2 数据表(PDF) 23 Page - Analog Devices |
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ADL5920ACPZ-R2 数据表(HTML) 23 Page - Analog Devices |
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23 / 26 page ![]() Data Sheet ADL5920 Rev. B | Page 23 of 26 EVALUATION BOARD The ADL5920-EVALZ is a fully populated, 4-layer, FR4-based evaluation board. For normal operation, the board requires a 5 V, 200 mA power supply. The 5 V power supply must be connected to the VPOS and GND test loops. The RF input and load must be applied to the RFIN and RFOUT 2.92 mm connectors, respectively (because the ADL5920 is fully bidirectional, the input signal can also be applied to RFOUT with the load on RFIN). The output voltages are available on the VRMSR, VRMSF, VDIFF+, and VDIFF− SMA connectors or on the adjacent test loops. Configuration options for the evaluation board are listed in Table 7. Note that an Arduino/ Linduino based evaluation platform for the ADL5920 is also available (Part Number DC2847A-Kit). For more information, go to www.analog.com/ADL5920. GND J2 5 GND VRMSF 4 3 2 24 23 22 21 20 19 18 GND VREF GND GND GND GND C12 0.1µF 1 2 3 4 5 6 7 8 GND2 VNEG2 CHPF– CHPF+ TADJI VREF VRMSF VPOS3 GND1 C7 0.1µF ADL5920 VNEG1 CHPR+ CHPR– PWDN/TADJS VTEMP VRMSR VPOS1 GND C10 4.7µF GND C18 0.1µF GND C14 100pF GND C15 0.1µF C13 0.1µF R8 0Ω GND C5 0.1µF C2 0.01µF C20 0.01µF C21 0.01µF GND C8 0.1µF GND C6 100pF GND C1 0.1µF GND VREF VTGT C11 100pF GND C9 0.1µF R6 3.6kΩ R7 2.43kΩ GND 2 GND GND GND GND VREF VPOS S1 3 2 1 VOCM R4 0Ω R5 1kΩ VDIFFN VDIFF– 3 4 5 2 GND VRMSR 3 4 GND R1 0Ω DNI R2 100Ω RFIN 5 2 GND VDIFFP VDIFF+ VRMS_F VRMS_R VNEG 3 4 5 VREF VTEMP R9 0Ω DNI R10 100Ω R3 0Ω GND GND GND GND1 GND2 J1 GND RFOUT C19 0.01µF TADJS P1 GND 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 VRSMR VTEMP VPOS VOCM VDIFF+ VDIFF– VTGT VREF VRSMF TADJI VNEG 1 Figure 44. Evaluation Board Schematic |
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