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Information on: LM386
- Tiny Audio Amplifier Using LM386
Rajkumar Sharma Specifications The Tiny Audio Amplifier kit is a good choice for battery operation. It is based on LM386 IC . Power supply - 6 - 12 VDC Output power - 1 W, 8 Ohm The quiescent power drain is only 24 mW when operating from 6 VDC Self-centering output quiescent voltage Onboard PRESET to adjust volume Terminal pins for connecting power supply, audio signal and speaker Power-On LED indicator ON/OFF PCB mounted slide switch for power supply Four mounting holes of 3.2 mm each PCB ...
- Audio Function Generator Provides Three Simultaneous Square, Triangle, Sine Waveforms
Petre Petrov Electronic Design This all-analog circuit provides three key waveforms simultaneously and at the same frequency within the audio band. It is useful for evaluating audio systems, transformers, cables, and other electrical installations. This simple, robust, and low-cost signal generator, based on the LM386 power amplifier IC, provides a trio of audio-band signals with three different simultaneous outputs at the same frequency: square/rectangle (SQW), triangle (TRG), and sine (SS). ...
- Comparing the NE555 Timer and LM386 Amplifier as Inductorless DC-DC Converters
Petre Petrov Electronic Design Choosing between two widely available, multisourced ICs for the core of an inductorless dc-dc converter the NE555 timer and the LM386 audio amplifier requires a look at their key specifications and performance in typical circuits. The bipolar NE555 timer IC is widely used in inductorless dc-dc converters, most frequently in doubling and inverting converters. However, another very popular IC, the LM386 audio amplifier, may be a better solution in this application. ...
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