3900 Platform Specifications
Subject to Export Control, see Cover Page for details.
B-19
Oscilloscope (cont)
Trigger
Trigger Source
Trace A, Trace B, EXT, (or Trace C with no CH1 or CH2 Input)
Trigger Edge
Rising/falling
Trigger Mode
Auto/Normal
Continuous/Single
External Trigger Level
Hi-Z BNC Input on the rear panel of the unit
Adjustable from -5 to +5 V
Frequency Standard I/O
Internal Frequency Standard Output (OCXO)
Frequency
10 MHz (nominal)
Output Level
1 Vpp (Nominal) into 50 Ω
Temperature Stability (0 to 50 degrees C)
±0.01 ppm
Aging Rate
±0.1 ppm/Year after 1 month continuous use.
Warm Up Time
Less than 5 min. to ± 0.02 ppm
External Frequency Input
Frequency
10 MHz
Input Level
1 to 5 Vpp for Sine waves
3.3/5 V TTL for Square waves
Connector
BNC socket (10 kΩ Input/50 Ω Output)
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