Hioki 3166 - Page 331

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18.4 Internal Block Diagram
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50/60 Hz
fixed clock
PL
L
Waveform
adjustment
Range
amplifier
Range
amplifier
Range
amplifier
Photo
-coupler
Range
amplifier
A/D
A/D
A/D
Range
amplifier
Photo
-coupler
Range
amplifier
Timing
control
Frequency
measurement
Dual port
RAM
External
control
Flash
ROM
Backup
SRAM
Work
DRAM
Ke
y
beep
Optional
Block Diagram
Photo
-coupler
KEY
RTC
RS-
2
32C
LCD
D/A
FD
CP
U
1
8.4 Internal Block Diagram
An internal block diagram of the 3166 is shown below.