TDA18271HD/C2,557 NXP Semiconductors, TDA18271HD/C2,557 Datasheet - Page 28

• Manufacturer Part Number: TDA18271HD/C2,557
• Description: IC TV SILICON TUNER 64-HLQFN
• Manufacturer: NXP Semiconductors
• Type: Silicon Tunerr

Specifications of TDA18271HD/C2,557

• Applications: Set-Top Boxes
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285058557; TDA18271HD/C2; TDA18271HD/C2

NXP Semiconductors
TDA18211HD_5
Product data sheet
Fig 10. Flowchart TDA18211CalcRFFilterCurve
MS
9.4.5 Flowchart TDA18211CalcRFFilterCurve
Table 28.
Function
Description
Input
Table
Output
f
f
f
RF(max)
RF(max)
RF(max)
TDA18211CalcRFFilterCurve
Wait 200 ms for die temperature stabilization
PowerScan Initialization
Call TDA18211PowerScanInit
f
RF_Band 4 filters calibration
Call TDA18211RFTrackingFiltersInit
f
RF_Band 5 filters calibration
Call TDA18211RFTrackingFiltersInit
f
RF_Band 6 filters calibration
Call TDA18211RFTrackingFiltersInit
Read die current temperature
Call TDA18211ThermometerRead
RF(max)
RF(max)
RF(max)
Description
calculate the RF filter curves coefficients
RF1_default, RF2_default, RF3_default, MS
RF_BAND_map
TMVALUE_RFCAL
TDA18211CalcRFFilterCurve
TDA18211CalcRFFilterCurve
= 203500
= 457800
= 865000
Rev. 05 — 2 June 2009
Start
End
TMVALUE_RFCAL
f
RF1_4, RF_A1_4,
RF_B1_4
f
RF1_5, RF_B1_5, RF2_5, RF_A1_5,
RF3_5, RF_A2_5, RF_B2_5
f
RF1_6, RF_B1_6, RF2_6, RF_A1_6,
RF3_6, RF_A2_6, RF_B2_6
RF(max)
RF(max)
RF(max)
Reference
Table 43 “RF_BAND_map”
TDA18211HD
DVB-T Silicon Tuner IC
001aag940
© NXP B.V. 2009. All rights reserved.
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