Analog Sampling; Memory - Casio EA-200 Technical Reference

Analog Sampling

Channel Names: CH1, CH2, CH3
1. CH1, CH2, CH3 Connector Specifications
Pin Number
1 Vin 10V (CH3: Vin 5V and
2 GND
3 Vres
4 Auto-ID
5 +5.3V DC
6 Vin-low 0–5V
2. Types of Sampling
1 Voltage
Two sampling ranges are shown below.
• 10V 1pin (CH3: 5V)
• 0 to 5V Pin 6
2 Resistance
Two sampling ranges are shown below.
• pin6: 1–100kΩ
• pin4: Auto-ID
3 Pulse period
Two sampling ranges are shown below
• 10V 1pin (CH3: 5V)
• 0 to 5V Pin 6
For details, refer to "Pulse Sampling" on page 4.
Pin 5 +5.3V Power Supply
Supplied from 100 msec before Clock Source.
Variable using power supply command (Command 10).
100msec
5pin
Power supplied during ready state.
3Vout)
Sampling Interval

Memory

1. Sampling Time Data
<Absolute Time and Relative Time>
Absolute Time
( T1=0 )
Relative Time
( T1=0 )
Trigger Source
Sample Value 1
2. Number of Sample Data
Number of Sample Data: 120000
• Number of Sampling Channels and Number of Sample Data
Number of
Sampling
Clock Source
Channels
1
2
Clock Source =
3
Timer
4
5
0
1
2
Clock Source =
External Trigger
3
4
5
* The number of samples is 2^n when FFT Samples (n) is used.
– 3 –
T4
T3
T2
T2 T3 T4
Clock Source 1 Clock Source 2 Clock Source 3
Sample Value 2 Sample Value 3 Sample Value 4
The maximum number of
Maximum
sample data when a timer
Number of
is the sampling trigger is
Sample Data
calculated using the
120000
following formula:
60000
120000 [Number of
Channels Used]
40000
30000
24000
The maximum number of
60000
sample data when an
40000
external trigger is the
clock source is calculated
30000
using the following
24000
formula:
20000
120000 ([Number of
Channels Used] + 1)
17140
Time Axis