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Multi-Instrument - Signal Generator
Sound Card Signal Generator

1. DAC Hardware Related Specifications

Sound Card Based Systems:

1) Bandwidth: 10 Hz - 96 kHz (sound card dependent).

2) Maximum Output Voltage: about 2 V (sound card dependent).

3) Selectable sampling frequency (up to 200 kHz), sampling bit resolution (8, 16 or 24 bits) and sampling channels (one or two) (sound card dependent).

4) Support calibration of the output channels.

Non Sound Card Based Systems:

Please refer to the respective hardware manual.

2. Support predefined waveforms: Sine, Rectangle, Triangle and Saw Tooth. The duty cycle for a rectangle wave is adjustable.

3. Support non-repetitive pink noise and white noise generation.

4. Support multi-tones generation. A Multi-Tones is a combination of predefined waveforms with different amplitudes, frequencies, and phases. Pink noise and white noise with specified amplitude can also be added into the multi-tones. Maximum 32 tones can be combined in each channel.

5. Support arbitrary waveform generation through user defined waveform library. A waveform library is a TXT file containing the coordinates of each point in one cycle of the waveform. There is no limit as to how many points can be used to define a waveform.

6. Support Maximum Length Sequence (MLS) generation. The length can be selected from 127 to 16777215.

7. Support Dual Tone Multi-Frequency (DTMF) generation.

8. Support musical scale tone generation.

9. The predefined waveform, multi-tones and user-defined waveform can be generated at a frequency that sweeps linearly or logarithmically within a specified frequency range and time duration.

10. The predefined waveform, white noise, pink noise, multi-tones, user-defined waveform and MLS can be generated at an amplitude that sweeps linearly or logarithmically within a specified amplitude range and time duration.

11. Allow specifying the phase difference between the two channels if the output signals have the same frequency.

12. The amplitude of the output signal is adjustable.

13. The generated signal can be saved as a WAV file or a TXT file for a duration of up to 1000 s.

14. The output signal can be looped back partially (i.e. only one channel while the other channel can be used for field input) or fully (i.e. both channels), via the software itself, to the input of the oscilloscope for display and analysis in real time. Synchronized operation between the Signal Generator and the Oscilloscope with timing accuracy in the same order of the sampling frequency is also supported. It is possible to specify when to start the Oscilloscope after the Signal Generator is started.

15. It is possible to add a mask with specified periodic on/off timing to the signal to be output so that a burst-type signal can be generated. You can choose whether to phase-lock each burst.

16. Support fade in/out of the output signal.

17. Support DDS mode for those devices that support DDS mode.

18. Support DC offset adjustment for those devices that support it.

19. Supports Multilingual User Interface under Windows 2000, XP, 2003, Vista, 7, 8 and above. Currently supported languages are English, French, German, Italian, Portuguese, Spanish, Russian, Simplified Chinese, Traditional Chinese, Japanese and Korean.


USB Signal Generator Sine
Sine wave
USB Signal Generator Square
Square wave
USB Signal Generator Triangle
Triangle wave
USB Signal Generator Saw Tooth
Saw Tooth wave
USB Signal Generator Arbitrary
Arbitrary wave

USB Signal Generator Multi Tones
Multi-Tones corresponding to 1/3 octave bands
USB Signal Generator White Noise Narrow Band Analysis
White Noise in narrow band analysis
USB Signal Generator White Noise Octave Band Analysis
White Noise in octave band analysis
USB Signal Generator Pink Noise Narrow Band Analysis
Pink Noise in narrow band analysis
USB Signal Generator Pink Noise Octave Band Analysis
Pink Noise in octave band analysis
USB Signal Generator MLS
MLS in narrow band analysis
 USB Signal Generator Fade In and Out
Signal Fade In and Out
USB Signal Generator Sine Burst
Burst Signal
USB Signal Generator Frequency Sweep
Frequeny Sweep

USB Signal Generator Amplitude Sweep
Amplitude Sweep

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