Agilent Technologies 4294A Instrukcja Użytkownika Pobierz pdf (Strona 26)

26

General Characteristics

External Reference Input

Frequency 10 MHz ±10 ppm (typical)

Level – 5 dBm to +5 dBm (typical)

Input impedance 50 Ω (nominal)

Connector type BNC (female)

Internal Reference Output

Frequency 10 MHz (nominal)

Level 0 dBm (typical)

Output impedance 50 Ω (nominal)

Connector type BNC (female)

High Stability Frequency Reference Output (Option 4294A-1D5)

Frequency 10 MHz (nominal)

Level 0 dBm (typical)

Output impedance 50 Ω (nominal)

Connector type BNC (female)

External Trigger Input

Level TTL

Pulse width (Tp) ≥2 µs (typical); see Figure 9 for the definition of Tp.

Polarity Positive or Negative (selective)

Connector type BNC (female)

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