TDA18271HD/C2.557 NXP Semiconductors, TDA18271HD/C2.557 Datasheet - Page 30

• Manufacturer Part Number: TDA18271HD/C2.557
• Manufacturer: NXP Semiconductors

Specifications of TDA18271HD/C2.557

• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
TDA18271HD_4
Product data sheet
Fig 11. Flowchart TDA18271RFTrackingFiltersInit
RF1_default
RF1
RF1
RF_CAL_map
Cprog_table1
RF1
Cprog_cal1
Cprog_table1
RF2_default
RF2
RF2
RF_CAL_map
Cprog_table2
RF3_default
RF3
RF3
RF_CAL_map
Cprog_table3
MS
MS
MS
MS
RF1
RF2
Cprog_cal1
Cprog_cal2
Cprog_table1
Cprog_table2
MS
MS
RF2
RF3
Cprog_cal2
Cprog_cal3
Cprog_table2
Cprog_table3
Rev. 04 — 19 May 2009
RF_A1 = 0, RF_B1 = 0, RF_A2 = 0, RF_B2 = 0
Find RF1_default, RF2_default, RF3_default = f
Look for optimized calibration frequency
Call TDA18271PowerScan
Find Cprog_cal1 to track RF1
Call TDA18271CalibrateRF
Find Cprog_table = f
Cprog_cal1 = Cprog_table1
RF_B1 = Cprog_cal1
Look for optimized calibration frequency
Call TDA18271PowerScan
Find Cprog_cal2 to track RF2
Call TDA18271CalibrateRF
Find Cprog_table = f
Cprog_cal2 = Cprog_table2
RF_A1 = (Cprog_cal2
(RF2
Look for optimized calibration frequency
Call TDA18271PowerScan
Find Cprog_cal3 to track RF3
Call TDA18271CalibrateRF
Find Cprog_table = f
Cprog_cal3 = Cprog_table3
RF_A2 = (Cprog_cal3
RF_B2 = Cprog_cal2
RF1)
RF(max)
RF(max)
RF(max)
TDA18271RFTrackingFiltersInit
TDA18271RFTrackingFiltersInit
Cprog_table1
Cprog_table2
Cprog_table2
Cprog_table3
in RF_CAL_map
RF2_default = 0
in RF_CAL_map
RF3_default = 0
in RF_CAL_map
bcal = 1
bcal = 0
bcal = 1
bcal = 0
bcal = 1
bcal = 0
Start
End
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Cprog_cal1 + Cprog_table1) /
Cprog_cal2 + Cprog_table2)/(RF3
RF(max)
No
No
Yes
No
No
Yes
No
No
in RF_Band_map
TDA18271 RFTrackingFiltersInit
TDA18271 RFTrackingFiltersInit
TDA18271HD
RF2)
Cprog_table1
Cprog_cal1
Cprog_table2
Cprog_cal2
Cprog_table3
Cprog_cal3
Cprog_cal1
RF_B1
RF_A1
bcal
RF2
RF2
Cprog_cal2
bcal
RF3
RF3
Cprog_cal3
RF1
bcal
RF1
RF1_default,
RF2_default,
RF3_default
RF_A1
End
End
© NXP B.V. 2009. All rights reserved.
RF_A2
RF_B2
Silicon Tuner IC
001aah047
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