This is one of the semiconductor types. This part name is BK1085.
This product has FM STEREO TRANSMITTER functions.
Manufacturers of product is Beken.
Image and pinout :
BK1085 PDF Datasheet
Some of the text files within the PDF file
BK1085 FM STEREO TRANSMITTER Features Support 64~125 MHz band Fully integrated PLL Digital FM stereo encoder 50us/75us pre-emphasis Max output power 10dBm Output power programmable 2.5 ~ 3.6 V supply voltage Active current 15 mA Wide range reference clock support 3-wireSPI or 2-wire I2C interface 3×3 mm 20-pin QFN package ,16-pin TSSOP package or 10-pin SSOP QFN 20 Pin Assignments (Top View) Applications MP3 Player Wireless Speaker Toys http:/// Functional Block Diagram TSSOP 16 Pin Assignments (Top View) SSOP 10 Pin Assignments (Top View) Rev.1.1 Copyright@2010 by Beken Corporation BK1085 Beken Confidential. Information contained herein is covered under non-disclosure agreement (NDA). BK1085 1 Table of Contents 1 2 Table of Contents…………………………………………………………………………………………………… 2 Functional
Description
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Please refer to the file for details.