YOKOGAWA DLM2000 Series, Руководство по эксплуатации

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5-1
IM 710105-03E
Specifications
1
2
3
4
5
App
Index
5.1 Signal Input Section
Analog Signal Input
Item Specifications
Number of input channels DLM2022(710105), DLM2032(710115), DLM2052(710125): 2 (CH1 and CH2)
DLM2024(710110), DLM2034(710120), DLM2054(710130): 4 (CH1 to CH4)
Input coupling settings AC1MΩ, DC1MΩ, DC50Ω, and GND
Input connector BNC connector
Input impedance 1 MΩ ± 1.0%, approx. 20 pF
50Ω ± 1.0% (VSWR1.4 or less at DC to 500 MHz)
Selectable voltage sensitivity
range
1 MΩ input: 2 mV/div to 10 V/div (in 1-2-5 steps)
50 Ω input: 2 mV/div to 500mV/div (in 1-2-5 steps)
Maximum input voltage 1 MΩ input: 150 Vrms (At 100 kHz and higher, the voltage
decreases at 20 dB/decade down to 2.5 Vrms.)
50 Ω input: 5 Vrms or less and 10 Vpeak or less
Selectable maximum DC
offset range
(When the probe attenuation
is set to 1:1)
1 MΩ input
2 mV/div to 50 mV/div: ±1 V
100 mV/div to 500 mV/div: ±10 V
1 V/div to 10 V/div: ±100 V
50 Ω input
2 mV/div to 50 mV/div: ±1 V
100 mV/div to 500 mV/div: ±5 V
Vertical-axis (voltage-axis)
accuracy
DC accuracy
1
±(1.5% of 8 div offset voltage accuracy)
Offset voltage accuracy
1
2 mV/div to 50 mV/div: ±(1% of set value + 0.2 mV)
100 mV/div to 500 mV/div: ±(1% of set value + 2 mV)
1 V/div to 10 V/div: ±(1% of set value + 20 mV)
Frequency Bandwidth
( ≥ –3 dB )
1, 2
(When sine wave with
amplitude ±3 div
p-p
equivalent is input)
1 MΩ input (measured from the probe tip when
using the supplied 10:1 probe (10:1 conversion))
DLM2022/
DLM2024
DLM2032/
DLM2034
DLM2052/
DLM2054
100 V/div to 100 mV/div: DC to 200 MHz DC to 350 MHz DC to 500 MHz
50 mV/div to 20 mV/div: DC to 150 MHz DC to 300 MHz DC to 400 MHz
50 Ω input
500 mV/div to 10 mV/div: DC to 200 MHz DC to 350 MHz DC to 500 MHz
5 mV/div to 2 mV/div: DC to 150 MHz DC to 300 MHz DC to 400 MHz
–3 dB point for AC coupling 10 Hz or less (1 Hz or less when using the supplied 10:1 probe)
Skew between channels
(when channels are set to
the same conditions)
1 ns or less
Residual noise level
3
0.4 mVrms or 0.05 divisions rms, whichever is greater (typical value
4
)
Isolation between channels
(when set to the same
voltage sensitivity)
Maximum bandwidth: –34 dB (typical value 4 )
A/D converter resolution 8 bits (25 LSB/division)
12 bits maximum (during high-resolution mode)
Probe attenuation settings Voltage probe: 0.001:1 to 2000:1 (in 1-2-5 steps)
Current probe: 0.001A:1V to 2000A:1V (in 1-2-5 steps)
Bandwidth limit For each channel, can be set to FULL, 200 MHz, 100 MHz, 20 MHz, 10 MHz, 5 MHz, 2 MHz,
1 MHz, 500 kHz, 250 kHz, 125 kHz, 62.5 kHz, 32 kHz, 16 kHz, or 8 kHz.
Uses IIR and FIR digital filters
Maximum sample rate Real-time sampling mode. Values inside parentheses are for high resolution mode
2
When interleave mode is on: 2.5 GS/s (1.25 GS/s)
When interleave mode is off: 1.25 GS/s (625 MS/s)
Repetitive sampling mode: 125 GS/s
Interpolation sampling mode: 125 GS/s
Chapter 5 Specifications