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14 U2781A User’s Guide
1 Getting Acquainted
Electrical Specifications
Power Supply AC Input
Input voltage range 100 to 240 VAC
Input frequency range 50 to 60 Hz
Power consumption 400 VA maximum
Effiency 75%
Power Supply DC Output
Output rated voltage 12 VDC
Max output rated current 16.7 A
Max output rated power 200 W
Over voltage protection 13.2 to 16.2 V
Internal 10 MHz Reference Clock
Accuracy 25 ppm for operating range
Slot to slot skew 350 ps
External 10 MHz Reference Clock
Auto detection level Yes
Input frequency range 10 MHz
Input magnitude 100 mVpp to 5 Vpp (sine/square wave)
Input impedance 50 Ω ± 5 Ω
Damage level 10 Vrms
External Trigger In
Compatibility TTL
V
IH
(Positive threshold voltage) 2.0 V
V
IL
(Negative threshold voltage) 0.8 V
Hold time 8 ns pulse width
Input voltage range 0 to 5.0 V
Slot to slot skew 350 ps
External Trigger Out
V
OH
2.9 V
V
OL
0.1 V
Output voltage range 0 to 3.3 V