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ADF4212LBRU датащи(PDF) 12 Page - Analog Devices |
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ADF4212LBRU датащи(HTML) 12 Page - Analog Devices |
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12 / 20 page ![]() REV. 0 ADF4212L –12– IF R COUNTER LATCH Table III. IF R Counter Latch Map 15-BIT IF REFERENCE COUNTER CONTROL BITS DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9 DB10 DB11 DB12 DB13 DB14 DB15 DB16 DB17 DB18 DB19 DB20 C1 (0) C2 (0) R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 P2 P3 P4 P1 IF CP CURRENT SETTING DB23 IFCP2 DB22 IFCP1 DB21 IFCP0 R15 0 0 0 0 . . . 1 1 1 1 0 0 0 0 . . . 1 1 1 1 0 0 0 0 . . . 1 1 1 1 .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... 0 0 0 1 . . . 1 1 1 1 0 1 1 0 . . . 0 0 1 1 1 0 1 0 . . . 0 1 0 1 1 2 3 4 . . . 32764 32765 32766 32767 R15 R14 R13 .......... R3 R2 R1 DIVIDE RATIO 0 1 NEGATIVE POSITIVE P1 IF PD POLARITY 0 1 OUTPUT NORMAL THREE-STATE P2 CHARGE PUMP 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 LOGIC LOW STATE IF ANALOG LOCK DETECT IF REFERENCE DIVIDER OUTPUT IF N DIVIDER OUTPUT RF ANALOG LOCK DETECT RF/IF ANALOG LOCK DETECT IF DIGITAL LOCK DETECT LOGIC HIGH STATE RF REFERENCE DIVIDER OUTPUT RF N DIVIDER OUTPUT THREE-STATE OUTPUT IF COUNTER RESET RF DIGITAL LOCK DETECT RF/IF DIGITAL LOCK DETECT RF COUNTER RESET IF AND RF COUNTER RESET P12 P11 P4 P3 MUXOUT FROM RF R LATCH 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 ICP (mA) 1.5k 2.7k 5.6k IFCP2 IFCP1 IFCP0 1.1250 2.2500 3.3750 4.5000 5.6250 6.7500 7.7875 9.0000 0.625 1.250 1.875 2.500 3.125 3.750 4.375 5.000 0.301 0.602 0.904 1.205 1.506 1.808 2.109 2.411 |
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