A mixed-signal oscilloscope for iPod touch, iPhone and iPad
24 May 2012
Take Apple's ubiquitous iOS devices and touch-screen interface into the test and measurement world with Audon Electronics' new iMSO-104. The new 5MHz oscilloscope adapter is intuitive and easy to use, making it an ideal solution for field service, sales and application engineers, as well as students and hobbyists. iMSO-104 is designed with a 5MHz bandwidth front-end and a 12MSa/s sample rate, simultaneously analysing one analogue and four digital signals.

All the usual input, trigger and math features are incorporated, including cursor measurements, variable persistence, built-in 3.3V 1kHz reference signal and more. iMSO-104 also adds novel features such as computation power and instant emailing of screen captures. In addition, simple measurements of frequency, period, duty cycle, and reference signal capture are just a touch away. Timebase range is from 2us – 1s/div, with input voltage display from 50mV – 2V/div. Maximum input voltage using a 10x probe is 40V.
iMSO-104 is based on Cypress Semiconductor’s PSoC 3, a low power, system-on-a-chip mixed-signal IC, which handles Apple's proprietary dock interface for iOS devices while simultaneously processing incoming analogue and digital signals. The result is a handy intuitive scope system that is both affordable and extremely portable. Intuitive finger movements are used to adjust trigger level, zooming, or repositioning channel displays.
Captured signal screenshots can be sent as an email image for rapid reporting. Sent via other freely available Apps, current location and time can be included in the email with a link to Google Maps for logging on-the-job signal information.
Software for running iMSO-104 - including a demo package that does not require the actual iMSO-104 device - is available free at Apple’s AppStore, and is available in English, French, German, Italian, and Spanish. iMSO-104 is compatible with all generations of iPod touch, iPhone, and iPad devices running iOS version 3.1.3 or higher.
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