Nexo NXAMP4X1

NXAMP4x1
8
NXAMP4x1
NXAMP4x1
BACDEFGH
2
1
3
4
5
28CA1-2001022111-50
CS3318 CS4272 Codec +DSP
3
12
CS3318
Input_Amp
(PCB INANL)
Input_VR
(PCB Control)
ADC buffer
(PCB Control)
Digital Domain
DAC buffer
(PCB Control)
Output_VR
(PCB Control)
Power_Amp
(PCB PAANL)
-14dB
Fixed Gain
0.25dB step
Variable Gain
+6dB
Fixed Gain
-0.4dB
Fixed Gain
+37dB
Fixed Gain
Maximum Input
Voltage
+28.0dBu
Sensitivity
+10.0dBu
MAXMUM
LEVEL
+38.8dBu
+1.8dBu
+5.8dBu
+6.2dBu
+7.5dBu
+1.5dBu
-4.0dBu
+14.0dBu
-14.0dB
-12.5dB
+5.5dB
+6.0dB
-0.4dB
-4.0dB
-96dB
0.25dB step
Variable Gain
Note:
The solid line shows the gain structure in the analog test mode of the test program mode.
The broken line shows an example in the setting that allows the maximum input signal level.
NXAMP4x1 LEVEL DIAGRAM
This level diagram is for the purpose of circuit design only.
The actual gain structure will depend on the firmware that is used.
■ BLOCK DIAGRAM 5/5