External Sampling (Ext.smpl) - Hioki Memory HiCorder MR6000 Instruction Manual

10.2 External Sampling (EXT.SMPL)

Externally inputting the signal can control the sampling rate.
Signal inputting procedure
1
Connect the external sampling terminal of the instrument and the sampling signal-outputting
device with the SMB cable.
Refer to "2.4 External Sampling (EXT.SMPL)" in Quick Start Manual.
2
> [Status] > [Condition]
3
Set [External sampling]
4
Select a sampling signal edge
5
Input the pulse waves or rectangular waves to the EXT.SMPL terminal. The signal shall be
with a high-level voltage of between 2.5 V and 10 V and a low-level voltage of between 0 V
and 0.8 V.
Available voltage
range
Pulse width
Response frequency
Maximum input
voltage
High
2.5 V to 10 V
Low
0 V to 0.8 V
t > 50 ns, t
H
• If a sampling signal of 5 MHz or more is input, trigger points are delayed by one sample.
• When Model 8968 High Resolution Unit is used, the anti-aliasing filter ([A.A.F.]) setting of
which is accessible by proceeding in the following order:
> [Channel] > [each Unit]
to [On] or [Off].
([ ] or [ ]).
High level: 2.5 V to 10 V; Low level: 0 V to 0.8 V
High and low level: 50 ns or more
10 MHz or less
10 V DC
t
EXT. SMPL
t t
H L
GND
> 50 ns, t > 100 ns
L
External Sampling (EXT.SMPL)
5 V
5 V
3 kΩ
600 Ω
10 pF
[On] is invalid,
10
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