National Instruments NI 5102 用户手册
Chapter 4
Hardware Overview
4-2
ni.com
Figure 4-2 shows a block diagram of the NI 5102 (PCMCIA, USB).
Figure 4-2. NI 5102 (PCMCIA, USB) Block Diagram
I/O Connector
♦ NI 5102 (PCI, ISA, PCMCIA, USB)
These NI 5102 devices have two standard BNC female connectors for CH0
and CH1 analog input connections, one standard BNC female connector for
the TRIG channel, and two standard SMB female connectors for the
multipurpose digital timing and triggering signals, PFI1 and PFI2.
and CH1 analog input connections, one standard BNC female connector for
the TRIG channel, and two standard SMB female connectors for the
multipurpose digital timing and triggering signals, PFI1 and PFI2.
Expansion
USB,
PCMCIA
Bus
Expansion Bus Data and Control Signal
FIFO
DATA(out)
Serial Controls
FIFO
DATA(in)
FIFO
DATA(in)
FIFO
DATA(out)
FIFO
FIFO
Channel 0
Data
8-Bit
20 MS/s
ADC
Equivalent
Time
Sampling
PFI1
PFI2
CH1
CH0
Analog
Trig MUX
and Level
Comparators
EEPROM
External
Trigger
AC/DC
AC/DC
Coupling
CH
1
Out
CH
0
Out
CH 0 Out
CH 1 Out
TRIG_Out
8-Bit
20 MS/s
ADC
FIFO Controls
Channel 1
Data
START_COUNT
STOP_COUNT
HTRIGOUT
LTRIGOUT
Trigger
Channel
Amplifier
TRIG
Channel 1
AC/DC Coupling
Channel 0
AC/DC Coupling
Channel 0
Gain Stage
Channel 1
Gain Stage
Timing
Module
ADC Control
ETS Control
Analog Trigger
Module
Gain and
Coupling
Controls
PFI Module
Serial COMM
Expansion
Bus Interface
DATA
Path
FIFO
Control
Serial DACs
Gain Control