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SWRZ115B March 2021 – May 2024 AWR1843AOP

1
1Introduction
2Device Nomenclature
3Device Markings
4Usage Notes
1. 4.1 MSS: SPI Speed in 3-Wire Mode Usage Note
5Advisory to Silicon Variant / Revision Map
6Known Design Exceptions to Functional Specifications
1. MSS#03
2. MSS#04A
3. MSS#05A
4. MSS#13
5. MSS#17
6. MSS#18
7. MSS#19
8. MSS#20
9. MSS#21A
10. MSS#22
11. MSS#23
12. MSS#24
13. MSS#25
14. MSS#26
15. MSS#27
16. MSS#28
17. MSS#29
18. MSS#30
19. MSS#31
20. MSS#32
21. MSS#33
22. MSS#34
23. MSS#35
24. MSS#37B
25. MSS#38A
26. MSS#39
27. MSS#40
28. MSS#42
29. MSS#43A
30. MSS#44
31. MSS#45
32. ANA#08A
33. ANA#09A
34. ANA#10
35. ANA#11A
36. ANA#12A
37. ANA#13B
38. ANA#15
39. ANA#16
40. ANA#17A
41. ANA#18B
42. ANA#20
43. ANA#21B
44. ANA#22A
45. ANA#24A
46. ANA#27
47. PACKAGE#02A
7Trademarks
8Revision History

ANA#22A

Overshoot and Undershoot During Inter-Chirp Idle Time

Revision(s) Affected:

AWR1843AOP ES1.0

Description:

At the end of the chirp , when the synthesizer starts to go back to the start frequency of the next chirp, there is some overshoot and undershoot. The undershoot/overshoot is proportional to the chirp bandwidth. Negative slope chirps have a worse undershoot than positive slope chirps.

Workaround(s):

To ensure the TX power amplifier is OFF during chirp idle time and not causing "on-air" emissions during the undershoot/overshoot period, keep the inter-chirp power savings ON.