Product Info

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VTech Communications LTD.
R&D Department
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Ref. No.: 20191009 Version: 01 Date: 09 Oct, 2019 Page 20 of 33
Figure 7-8 Sidetone
The ADC provides simple gain to the sidetone data. The gain values range from -32.6 dB to 12.0 dB in
alternating steps of 2.5 dB and 3.5 dB, see Table 7-4.
Table 7-4 Sidetone gain
Value
Sidetone gain
Value
Sidetone gain
0
-32.6 dB
8
-8.5 dB
1
-30.1 dB
9
-6.0 dB
2
-26.6 dB
10
-2.5 dB
3
-24.1 dB
11
0 dB
4
-20.6 dB
12
3.5 dB
5
-18.1 dB
13
6.0 dB