Specifications

Bluegiga Technologies Oy
Page 35 of 64
iWRAP Gain Setting
(-27...39)dB
Preamp ON = 24 dB gain (MIC input)
Preamp OFF = 0 dB gain (line input)
Table 18: ADC amplifier block diagram
Gain Setting In iWRAP
ADC Gain (dB)
Preamp OFF
(Line input mode)
ADC GAIN (dB)
Preamp ON
(MIC input mode)
0
-27
-3
1
-24
0
2
-21
3
3
-18
6
4
-15
9
5
-12
12
6
-9
15
7
-6
18
8
-3
21
9
0
24
A
3
27
B
6
30
C
9
33
D
12
36
E
15
39
F
18
42
10
21
45
11
24
48
12
27
51
13
30
54
14
33
57
15
36
60
16
39
63
Table 19: ADC Gain Selection In iWRAP
iWRAP Example: Setting line input with 0 dB gain
“SET CONTROL PREAMP 0”
”SET CONTROL GAIN 9 x” (x is the DAC gain)