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ADF4207 Datasheet(PDF) 12 Page - Analog Devices |
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ADF4207 Datasheet(HTML) 12 Page - Analog Devices |
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12 / 20 page ![]() REV. 0 ADF4206/ADF4207/ADF4208 –12– Table III. RF2 Reference Counter Latch Map R14 R13 R12 .......... R3 R2 R1 DIVIDE RATIO 0 0 0 .......... 0011 0 0 0 .......... 0102 0 0 0 .......... 0113 0 0 0 .......... 1004 . . . .......... .... . . . .......... .... . . . .......... .... 1 1 1 .......... 1 0 0 16380 1 1 1 .......... 1 0 1 16381 1 1 1 .......... 1 1 0 16382 1 1 1 .......... 1 1 1 16383 P1 PD POLARITY 0 NEGATIVE 1 POSITIVE P12 P11 FROM RF1 R LATCH P4 P3 MUXOUT 0000 LOGIC LOW STATE 0001 RF2 ANALOG LOCK DETECT 0 X 1 0 RF2 REFERENCE DIVIDER OUTPUT 0 X 1 1 RF2 N DIVIDER OUTPUT 0100 RF1 ANALOG LOCK DETECT 0101 RF1/RF2 ANALOG LOCK DETECT 1 X 0 0 RF1 REFERENCE DIVIDER 1 X 0 1 RF1 N DIVIDER 1010 FAST LOCK OUTPUT SWITCH ON AND CONNECTED TO MUXOUT 1011 RF2 COUNTER RESET 1110 RF1 COUNTER RESET 1111 RF2 AND RF1 COUNTER RESET DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 C2 (0) C1 (0) R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 P1 P2 P3 P4 CONTROL BITS 14-BIT REFERENCE COUNTER, R DB21 RF2 REFERENCE COUNTER LATCH P5 ICP 0 1.25 mA 1 4.375 mA P5 P2 CHARGE PUMP OUTPUT 0 NORMAL 1 THREE-STATE |
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