SWRZ154 August   2023 IWR1843AOP

 

  1.   1
  2. 1Introduction
  3. 2Device Nomenclature
  4. 3Device Markings
  5. 4Advisory to Silicon Variant / Revision Map
  6. 5Known 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
  7. 6Trademarks
  8. 7Revision History

ANA#22A

Overshoot and Undershoot During Inter-Chirp Idle Time

Revision(s) Affected:

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.