Genie NI 5421 User Manual download pdf (Page 24)

NI 5421 Specifications 24 ni.com

Start Trigger

DDC CLK IN

Clocking

Format

DDC Data Output signals change on the rising edge of

DDC CLK IN.

—

Frequency

Range

10 Hz to 105 MHz —

Input Duty

Cycle

Tolerance

40% to 60% —

Input Jitter

Tolerances

300 ps pk-pk of Cycle-Cycle Jitter, and 1 ns rms of

Period Jitter.

—

Table 8.

Specification Valu e Comments

Sources 1. PFI<0..1> (SMB front panel connectors)

2. PFI<2..3> (DIGITAL DATA & CONTROL front panel

connector)

3. NI PXI-5421—PXI_Trig<0..7> (backplane connector)

NI PCI-5421—RTSI<0..7>

4. NI PXI-5421—PXI Star trigger (backplane connector)

5. Software (use function call)

6. Immediate (does not wait for a trigger). Default.

—

Modes 1. Single

2. Continuous

3. Stepped

4. Burst

—

Edge Detection Rising —

Minimum

Pulse Width

25 ns. Refer to t

at NI Signal Generators Help»Devices»

NI 5421»NI <bus>-5421»Triggering»Trigger Timing.

—

Table 7. (Continued)

Specification Valu e Comments

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 35 36

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Genie NI 5421 User Manual Page 24

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