Bulgarian company, ONYX Apps, has updated its scope tool and Oscilloscope 1.5 for iOS is available for download on the iTunes App Store.
Designed to plot audio signals, monitor equipment, analyze events, and test circuits, it can also be used as a learning tool. Its GUI includes many standard oscilloscope controls, such as: triggering, time and voltage per division, signal measurement cursors, and more. Version 1.5 brings dual trace support, zoom and scroll functionality, auto set and iOS 4.2 support.
Oscilloscope App is suitable for analyzing audio, measuring low frequency signals, or learning oscilloscope measurement basics. The app also incorporates a signal (function) generator capable of generating sine, square, triangle, and sawtooth waveforms of up to 22 KHz. Calibration to an external reference signal is supported, guaranteeing the accuracy of measurements.
Input is typically acquired via the built-in microphone or a probe connected to the headset connector. For better results an external accessory such as a dock connector input device for the iPhone/iPod touch, or USB audio input such as Griffin iMic for the iPad.
Oscilloscope 1.5 provides:
- Real-time waveform display (60 FPS);
- Triggering modes: Normal, Auto, Single;
- Set trigger level and pre-trigger time;
- Built-in function generator;
- Reference signal calibration;
- Pause function to get a screen capture;
- Measure signal data using cursors;
- Use “finger pinch” on screen to set voltage and time base;
- Double tap screen to enter Black Panel mode;
- A choice of four color themes;
- Retina display support.
The app works on iPhone, iPad or iPod touch using iOS 3.2 or later (iOS 4 tested) and takes up 5.6 MB. It is $14.99 from in the utilities category of the App Store.