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7.3.1
Power layout SSB
L703, +5V_STB
L706, DRAM1V5
7.4
Front-End Analogue and DVB-T/T2, DVB-C
reception
7.4.1
Front-End Analogue and DVB T/C reception
The Front-End for analogue tuner consist of the following key
components:
•
TUNER EUROPE ST42CS-2-E
•
SCALER NT72666BG-DA/A Processor
Below find a block diagram of the front-end application for
analogue part.
L721,CORE0V9
U707,+5V_STB
L707, MAIN3V3
Figure 7-4 Power SSB Top View
Circuit Descriptions
TPN16.1HE LA
L705, MAIN2V5
ST42CS-2-E
I
2
C
IF_AGC
RF_AGC
Figure 7-5 Front-End Analogue block diagram
back to
div.table
7.
U707, +3V3_Tuner
20140_203.eps
2
I
C
IF
IF_AGC
NT72666
20140_204.eps
2016-Aug-19
EN 31
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