TDA7546 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7546

Multichip module for TMC tuner applications

STMicroelectronics 

TDA7546

Software specifications

Table 27. Addr 18 s-meter slider

MSB

d7 d6 d5 d4 d3 d2

0

0

0

0

0

0

-

-

1

1

0

1

0

1

1

0

1

LSB

d1 d0

Function

0 0 S meter slider offset SL=0dB

0 1 S meter offset SL=1dB

1 0 S meter offset SL=2dB

-

--

1 1 S meter offset SL=15dB

S meter offset -SL

S meter offset +SL

S Meter slope 1V/decade

S meter slope 1.5V/decade

has to be set

Overdeviation correction “ON”

Overdeviation correction “OFF”

Table 28. Addr 19 IF gain/xtal adjust

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

0 IF1 gain2 9dB

1 IF1 gain2 11dB

0

0

IF1 gain1 9dB

0

1

IF1 gain1 11dB

1

0

IF1 gain1 12dB

1

1

IF1 gain1 15dB

0

0

0

0

0

0

0

0

0

1

0

0

0

1

0

0

0

0

1

1

0

0

1

0

0

-

-

-

-

-

CLoad 0pF

CLoad 0.75pF

CLoad 1.5pF

CLoad 2.25pF

CLoad 3pF

-

1

1

1

1

1

CLoad 23.25pF

Function

47/68

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