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ADF7025 Datasheet(PDF) 36 Page - Analog Devices |
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ADF7025 Datasheet(HTML) 36 Page - Analog Devices |
36 / 44 page ADF7025 Data Sheet Rev. B | Page 36 of 44 REGISTER 8—POWER-DOWN TEST REGISTER PD1 PD2 PD3 PD4 PD5 DB8 DB7 DB6 DB5 DB4 DB3 DB2 C2(0) C1(0) CONTROL BITS DB1 DB0 C3(0) C4(1) LOG AMP/ RSSI PD7 DB15 DB14 DB13 DB12 DB11 LR1 PD6 DB10 DB9 LR2 SW1 PD7 0 1 PA (Rx MODE) PA OFF PA ON SW1 0 1 Tx/Rx SWITCH DEFAULT (ON) OFF PD6 0 1 DEMOD ENABLE DEMOD OFF DEMOD ON PD5 0 1 ADC ENABLE ADC OFF ADC ON LR2 X X LR1 0 1 RSSI MODE RSSI OFF RSSI ON PD4 0 1 FILTER ENABLE FILTER OFF FILTER ON PD3 0 1 LNA/MIXER ENABLE LNA/MIXER OFF LNA/MIXER ON PLE1 (FROM REG 0) 0 0 0 0 1 PD2 0 0 1 1 X LOOP CONDITION VCO/PLL OFF PLL ON VCO ON PLL/VCO ON PLL/VCO ON PD1 0 1 0 1 X Figure 47. Register 8—Power-Down Test Register Register 8—Power-Down Test Register Comments • For a combined LNA/PA matching network, Bit R8_DB12 should always be set to 0. This is the power-up default condition. • It is not necessary to write to this register under normal operating conditions. |
Similar Part No. - ADF7025_15 |
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Similar Description - ADF7025_15 |
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