Appendix A
Specifications
A-2
ni.com
Pre-attenuation offset
Range...............................................±2.5 V into 50
Ω
1
Accuracy..........................................±5 mV
Output coupling ......................................DC
Output impedance...................................50
Ω
or
75 Ω
software selectable
Load impedance......................................50
Ω
or greater
Output enable..........................................Software switchable
Protection................................................Short-circuit protected
Sine Spectral Purity
Harmonic products and spurs
Up to 1 MHz....................................–60 dBc
Up to 16 MHz..................................–35 dBc
Phase noise .............................................–105 dBc/Hz at 10 kHz from
carrier
Filter Characteristics
Digital
Type .................................................Half-band interpolating
Selection ..........................................Software switchable
(enable or disable)
Taps .................................................67
Filter coefficients.............................Fixed 20-bit
Data interpolating frequency ...........80 MS/s
Pipeline signal delay........................26 sampling periods
Analog
Type .................................................7th-order L-C lowpass filter
Passband ripple ................................±2 dB
1
With less than 10 dB of attenuation, signal maximum plus offset (before attenuation) must not exceed ±5 V (into 50
Ω).