Filter
Top Products
9–12
AM700 Audio Measurement Set Service Manual
Select
High Res
High BW
Select
High Res
High BW
From
Power
Supply
NOTE:Floating power supply is located on the power supply
board in instruments with the flat panel LCD display.
Floating
Power
Supply
Host Bus
12.288MHz
DSP
Section
+5V
Once
Port
(Development)
To
CPU
Serial
Control
SSI
OVLD
Opto–Isolator
Opto–Isolator
Opto–Isolator
Opto–Isolator
U9,U10
U20,U21
U94
15V
U9,U10
±
±
22V
+5V
15V±
High Res
High BW
Select
Filter
High Res
High BW
Filter
High Res
High BW
Attenuator/
Gain
Attenuator/
Gain
Output
Ampl
Output
Termination
150 600WW
Ch A+
Ch B+
To Acquisition
To Front
Panel
Output
Ampl
Ch B–
150 600WW
Output
Termination
Ch A–
To Acquisition
Ch A
Ch B
Clamp
Clamp
Low
Distortion
Filter
Low
Distortion
Filter
2
2
3
8 X
Oversample
Sync
and
Delay
DAC
DAC
Ch A
Ch B
High Res
High BW
Select
High Res
High BW
Floating Reference
Ground Reference
OLVD
OLVD
OLVD
Figure 9–8: Analog generator simplified block diagram