General Characteristics
External Reference Input
Frequency
10 MHz ± 10 ppm (typical)
– 5 dBm to ꢁ5 dBm (typical)
50 Ω (nominal)
Level
Input impedance
Connector type
BNC (female)
Internal Reference Output
Frequency
10 MHz (nominal)
0 dBm (typical)
50 Ω (nominal)
BNC (female)
Level
Output impedance
Connector type
High Stability Frequency Reference Output (Option 4294A-1D5)
Frequency
10 MHz (nominal)
0 dBm (typical)
50 Ω (nominal)
BNC (female)
Level
Output impedance
Connector type
External Trigger Input
Level
TTL
Pulse width (Tp)
Polarity
≥2 µs (typical); see Figure 9 for the definition of Tp.
Positive or Negative (selective)
BNC (female)
Connector type
26
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