
Characteristics and Specifications  | 3  | 
SWEEP CHARACTERISTICS
Waveforms  | Sine, Square, Ramp, Arbitrary  | 
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Type  | Linear or Logarithmic  | 
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Direction  | Up or Down  | 
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Sweep time  | 1 ms to 500 s  | 
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Trigger  | Single, External, or Internal  | 
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TRIGGER CHARACTERISTICS
Trigger input
Input level  | TTL compatible  | 
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Slope  | Rising or Falling, Selectable  | 
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Pulse width  | >100 ns  | 
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Input impedance  | >10 kΩ, DC coupled  | 
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Latency  | <500 ns  | 
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Jitter (RMS)  | 6 ns (3.5 ns for Pulse)  | 
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Trigger output | 
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Input level  | TTL compatible into ≥1 kΩ  | 
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Pulse width  | >400 ns  | 
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Output impedance  | 50 Ω, typical  | 
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Fanout  | 4 TTL | 
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Rise time  | ≤20 ns  | 
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1 Add 1/10th of output amplitude and offset specification per °C for operation outside the range of 18 °C to 28 °C.
2 DC offset set to 0 V.
3 Spurious output at low amplitude is 
4 Add 1 ppm/°C (average) for operation outside the range of 18 °C to 28 °C.
U2761A User’s Guide  | 101  |