MR-MINI-AUDIOTM Mini Audio Output BOARD User Manual GRAVITECH.US uResearch GRAVITECH GROUP Copyright (c) 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US MR-MINI-AUDIOTM Mini Audio Output BOARD User Manual Description The MR-MINI-AUDIO is a mini amplifier with speaker board that receives input as the analog audio signal. The signal then amplifies and sends out through speaker. Moreover, there is a stereo jack that can be interfaced with headphone or external amplifier. PCB size is 2.20" x 1.70" Specifications: * * * * * * * Mini speaker model number PB2015 Receive signal as analog input Auto-cut audio of speaker PB-2015 on board when stereo jack is inserted. Amplifier circuit is using LM386 IC Adjustable gain of the amplifier circuit Male and Female header inputs. Small in size Copyright (c) 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US MR-MINI-AUDIOTM Mini Audio Output BOARD User Manual FIG 1: MR-MINI-AUDIO Board Layout FIG 2: MR-MINI-AUDIO Schematic Copyright (c) 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US MR-MINI-AUDIOTM Mini Audio Output BOARD User Manual Notes Contact Us We maintain a website where you can get information on our products, obtain literature and download support files. Visit us online at: WWW.GRAVITECH.US For sales questions or to place and order, direct your e-mails to sales@gravitech.us. Refer to our website for product pricing, shipping rates, payment instructions, and for other info we need to complete your order. Use our online Forum or e-mail your technical support questions to support@gravitech.us. We try to respond to your questions the same day. Disclaimer: MicroResearch reserves the right to modify its products or literature, or to discontinue any product at any time without prior notice. The customer is responsible for determining the suitability of any device for any application developed using MicroResearch components. Copyright (c) 2007 MicroResearch GRAVITECH GROUP WWW.GRAVITECH.US Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Gravitech: MR-MINI-AUDIO