B+K precision 4005DDS, Instruction Manual, Page: 13 / 21

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6 Specifications
4005DDS
Frequency Characteristics
Waveforms Sine, Square, Triangle
Range 1 Hz to 5 MHz
Resolution 4 digits or 1 Hz
Accuracy 0.02% (200 ppm) *
Frequency Stability
Output will change less than 1 ppm within a 15 minute
interval and less than 2 ppm within a 24 hour interval.
Output Characteristics
Impedance 50 Ω ± 2%
Amplitude Range
Variable control from 20 mVpp to 20 Vpp (open circuit);
10 mVpp to 10 Vpp (into 50 Ω)
Attenuation -20 dB ± 2%, -40 dB ± 2%
DC Offset Variable ±10 V (open circuit); ±5 V (into 50 Ω)
Duty Cycle Adjustable 20% - 80% to 3 MHz for square
Sine Wave
Harmonic Distortion
-50 dBc, DC to 20 kHz
-30 dBc, 20 kHz to 5 MHz
Flatness ± 0.3 dB to 1 MHz, ± 1 dB to 5 MHz
Square Wave
Symmetry ± 2% to 100 kHz, ± 5% to 5 MHz
Rise Time ≤ 35 ns
Triangle Wave
Linearity ≥ 98% to 100 kHz, ≥ 95% to 5MHz