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VV5430

CD5430F-A

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Gain and Gain Ceiling

Header Code = 0101

Valid data bits: 4

This register is used to select an external gain value when automatic gain control is inhibited (AGC = 0) and to set the gain ceiling

while automatic gain control is active (AGC = 1).

The table below shows the valid gain codes.

Bit

Function

Default

Comment

0

Gain value G[0]

0

Default gain value

1

Gain value G[1]

0

2

Gain value G[2]

0

3

Gain Value G[3]

0

Default gain ceiling

4-11

Unused

Table 20 : Gain Register

G[3]

G[2]

G[1]

G[0]

Gain

Comment

000

0

1

Default gain value

000

1

2

001

1

4

011

1

8

Default gain ceiling

111

1

16

Table 21 : Gain Values