Trigger output logic levels
Characteristic Limits
Vout (HI) ≥2.5 V open circuit
≥1.0 V into a 50 Ω load to ground
Vout (LO) ≤0.7 V into a load of ≤4 mA
≤0.25 V into a 50 Ω load to ground
External reference nominal input
frequency
10 MHz
You must select either the internal reference (default) or 10 MHz external.
External reference input frequency
variation tolerance
9.9 MHz to 10.1 MHz
You must run SPC whenever the external reference is more than 0.2% (2000 ppm) different than
the nominal reference frequency or reference at which SPC was last run. The time base changes in
correspondence to the fluctuations in the external reference.
External reference input sensitivity Vin 1.5V
p-p
for input frequencies between 9.9 MHz and 10.1 MHz
External reference input maximum
input signal
7 V
p-p
External reference input
impedance
Rin = 1.5 kΩ ±20% in parallel with 15 pF ±5 pF at 10 MHz
Keyboard and mouse ports PS-2 compatible, instrument must be powered down to make connection
External audio ports External audio jacks for microphone input and line output
Input-Output port specifications (cont.) Specifications (MSO/DPO5000/B Series)
MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series 95
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