BRUEL & KJAER 2245 - Block Diagrams

Sound Level Meter Types 2245 – Instruction Manual Page 8 of 110
1.2.4 Block Diagrams
The Block Diagram for Sound Level Meter Type 2245 is shown in Fig. 1.2.
Fig. 1.2 Block Diagram for Type 2245
Amplifier
Amplifier
USB-C
Interface
Output
External
Power
Input
Main
Processor
A/D
Converter
D/A
Converter
Power
Supply
Battery
Keyboard
Light
ring
Display
BLE
Interface
WiFi
Interface
GPS
Data