![]() Select OUT from OUTPUT section, as shown in Fig.Select FREQ block and adjust frequency using sa lider or text input box.Select CH1 (channel) and sinewave (waveform), as shown in Fig. Select waveform, such as sine, triangular or square.Select channel for signal (CH1 or CH2).Function Generator app running on ca ellphone is shown in Fig. 1: Function Generator app installed on Android smartphone along with crocodile cables Steps to perform signal generation Function Generator appĭownload Function Generator app by Keuwlsoft from Play Store, and install it on your smartphone. One of the following apps: Function Generator, Frequency Generator, Tone Generator, Sound Generator and Impulse-all available for free download on Play Storeįunction Generator app installed on Android smartphone along with audio and crocodile cables for connection to DSO is shown in Fig.Internet access to download apps from Play Store.Signals generated using an Android smartphone can be tested using a digital storage oscilloscope (DSO) and Windows PC-based CRO software (Zelscope). Digital signal processing ( DSP) hardware available on Android smartphones can be used as a function generator, but with some limitations.įunctions available on the smartphone-based function generator are square wave, sine wave, triangular waveforms, sawtooth-wave and supported frequency range from 20Hz to 20,000Hz. Android-based function generatorĪndroid smartphones are capable of generating audio frequency range signals and tones. While interfacing with external devices, a proper protection circuit must be used to prevent any damage to the smartphone. Signals can also be amplified using a suitable amplifier, if required, for interfacing with other devices.
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