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STW81101 数据表(PDF) 5 Page - STMicroelectronics |
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STW81101 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 48 page ![]() STW81101 List of figures 5/48 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3. VCO A (direct output) open loop phase noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 4. VCO B (direct output) open loop phase noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 5. VCO A (direct output) closed loop phase noise at 3.6GHz (FSTEP=200kHz; FPFD=200kHz; ICP=3.5mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 6. VCO B (direct output) closed loop phase noise at 4.0GHz (FSTEP=200kHz; FPFD=200kHz; ICP=4mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 7. VCO A (div. by 2 output) closed loop phase noise at 1.8GHz (FSTEP=200kHz; FPFD=400kHz; ICP=2mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 8. VCO B (div. by 2 output) closed loop phase noise at 2.0GHz (FSTEP=200kHz; FPFD=400kHz; ICP=3mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 9. VCO A (div. by 4 output) closed loop phase noise at 900MHz (FSTEP=200kHz; FPFD=800kHz; ICP=1.5mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 10. VCO B (div. by 4 output) closed loop phase noise at 1.0GHz (FSTEP=200kHz; FPFD=800kHz; ICP=1.5mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 11. PFD frequency spurs (direct output; FPFD=200kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 12. PFD frequency spurs (div. by 2 output; FPFD=400kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 13. PFD frequency spurs (div. by 4 output; FPFD=800kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 14. Settling time (final frequency=1.8 GHz; FPFD=400kHz; ICP=2mA . . . . . . . . . . . . . . . . . . . 16 Figure 15. Reference frequency input buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 16. VCO divider diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 17. PFD diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 18. Loop filter connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 19. VCO sub-bands frequency characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 20. Data validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 21. START and STOP conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 22. Byte format and acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 23. Data and clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 24. Start and stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 25. Ack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 26. SPI input and output bit order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 27. SPI timing specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 28. Differential/single-ended output network (MATCH_LC_LUMP_4G_DIFF.dsn) . . . . . . . . . 38 Figure 29. LC lumped balun and matching network (MATCH_LC_LUMP_4G.dsn) . . . . . . . . . . . . . . 39 Figure 30. Evaluation board (EVB4G) matching network (MATCH_EVB4G.dsn) . . . . . . . . . . . . . . . . 40 Figure 31. Differential/single-ended output network (MATCH_LC_LUMP_2G_DIFF.dsn) . . . . . . . . . 40 Figure 32. LC lumped balun for divided by 2 output (MATCH_LC_LUMP_2G.dsn) . . . . . . . . . . . . . . 41 Figure 33. Evaluation board (EVB2G) matching network (MATCH_EVB2G.dsn) . . . . . . . . . . . . . . . . 41 Figure 34. LC lumped balun for divided by 4 output (MATCH_LC_LUMP_1G.dsn) . . . . . . . . . . . . . . 42 Figure 35. Evaluation board (EVB1G) matching network (MATCH_EVB1G.dsn) . . . . . . . . . . . . . . . . 43 Figure 36. Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 37. VFQFPN28 mechanical drawing ( Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 |
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