Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows
Science with your Sound Card!

Screen Image Index


Click images for enlargements and descriptions:
[Scope Thumb] Oscilloscope Features



[Spect Thumb] Spectrum Analyzer Features



[Generator Waveform Thumb] [Generator Noise Bands Thumb
Absolutely FREE! 8-channel Signal Generator Features


[LCR Meter Thumb]
LCR Meter Mini-App allows precision measurement of inductors, capacitors, and resistors. Shows capacitor ESR, optional DF and Q.


[Engine Simulator Thumb]
Automotive Crank and Cam Sensor Simulator uses free signal generator for testing Engine Control Units.


[FFT Filter Thumb]
FFT Filter Mini-App demonstrates the use of a Custom Controls dialog, Multitasking Macro, and Macro Arrays to create a "brick wall" filter and apply it to various signals.


[Lissajous Thumb]
Lissajous Mini-App uses Macro Arrays and Multitasking to display two signals plotted against each other in X vs Y mode.


[Phase Meter Thumb]
Phase Meter Mini-App allows precision measurement of the phase difference between two equal-frequency sine waves.


[Speech Sgram1 Thumb] [Speech Sgram2 Thumb]
Speech spectrograms (voiceprints) show individual syllables, glottal pulses, harmonics, etc.


[Pitch Thumb] Pitch Tracker shows instantaneous pitch of whistled "Deck The Halls" song, with 'piano keyboard' background.



[Pitch-to-MIDI Thumb] Pitch-to-MIDI operation, also used for DaqMusiq and KaleidoSynth (below).



[DaqMusiq Thumb] DaqMusiq and KaleidoSynth



[Voltmeter Thumb] Floating resizeable Voltmeter, with True RMS, Pk-Pk, Pos/Neg peaks, dB, dB Ref, Continuous Peak Hold, adjustable decimal places and time constant.


[Sound Level Mtr Thumb] Floating resizeable Sound Level Meter, with Weighting and Response control dialogs, Continuous Peak Hold, and adjustable decimal places.


[Freq Counter Thumb] Floating resizeable Frequency Counter, with Fast/Slow update rates, high-resolution Hertz, RPM, and msec modes with Min/Max track/review, Total, SpecTot, and adjustable decimal places.
[Fcal Deg C Thumb] Fcal option allows voltage-to-frequency sensor readout. Supports nonlinear sensor response via calibration tables. One-button unit conversion between Celsius and Fahrenheit. Circuits included for temperature sensor, DC voltage, and thermocouple. Fcal also supports prescaler circuit to read MHz frequencies.
[Fcal Deg F Thumb]


[Raw Thumb] [Wave Avg Thumb]
Waveform averaging recovers a sine wave buried in noise.


[Histogram Thumb] Histogram Features


[Multi-Trace Jitter Thumb] [PSTH Jitter Thumb]
Post-Stimulus Time Histogram (PSTH) Features


[Macro Dialog Thumb] [Macro Editor Thumb] Macro System Features



[Juxt Wave Array Thumb] [Juxt Spectrum Array Thumb]
Multi-Trace Arrays


[Trigger Burst Thumb] [Trigger FM Thumb]
Trigger Control Features


[Auto-Cal Thumb] Auto-Calibration Features



[Spect Limits Thumb] Spectrum Limit Testing

Features:

Oscilloscope

Spectrum Analyzer

8-Channel
Signal Generator

(Absolutely FREE!)

Spectrogram

Pitch Tracker

Pitch-to-MIDI

DaqMusiq Generator
(Free Music... Forever!)

Engine Simulator

LCR Meter

Remote Operation

DC Measurements

True RMS Voltmeter

Sound Level Meter

Frequency Counter
    Period
    Event
    Spectral Event

    Temperature
    Pressure
    MHz Frequencies

Data Logger

Waveform Averager

Histogram

Post-Stimulus Time
Histogram (PSTH)

THD Meter

IMD Meter

Precision Phase Meter

Pulse Meter

Macro System

Multi-Trace Arrays

Trigger Controls

Auto-Calibration

Spectral Peak Track

Spectrum Limit Testing

Direct-to-Disk Recording

Accessibility

Applications:

Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Auditory phenomena

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery

Automotive

Product test

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