积分商城

最新搜索： 收音机 矿机 verilog pdf 阅读器 freertos lwip altium 18.1.
您现在的位置是：首页 > 手册 > MC34118 datasheet，免提电话使用手册
推荐星级：
  • 1
  • 2
  • 3
  • 4
  • 5

MC34118 datasheet，免提电话使用手册

更新时间：2019-09-13 16:17:53 大小：298K 上传用户：gaojujie查看TA发布的资源 标签：MC34118 下载积分：2分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

MC34118手册免提电话使用手册，引脚说明等等资料

部分文件列表

文件名 大小
MC341_datasheet.pdf 298K

【关注视频号领20积分】   【关注公众号立即送20积分】

部分页面预览

（完整内容请下载后查看）
UNISONIC TECHNOLOGIES CO., LTD  
MC34118  
LINEAR INTEGRATED CIRCUIT  
VOICE SWITCHED  
SPEAKER-PHONE CIRCUIT  
SOP-28  
„
DESCRIPTION  
As a voice switched speaker-phone integrated circuit, the UTC  
MC34118 includes the necessary amplifiers, attenuators, level  
detectors and control algorithm.  
DIP-28  
To form the UTC MC34118’s internal circuit, there is an internal  
microphone amplifier with adjustable gain and mute control, internal  
transmit and Receive attenuators (operate in a complementary  
manner), level detectors at both input and output of both attenuators,  
and background noise monitors for both the transmit and receive  
channels.  
SDIP-28  
The dial tone can be pretended from being attenuated by the  
receive background noise monitor circuit by a dial tone detector.  
There are also two line driver amplifiers which can be used to form a  
hybrid network in conjunction with an external coupling transformer. A  
high-pass filter can be used for other filtering functions, and especially  
to filter out 60Hz noise in the receive channel.  
Lead-free:  
Halogen-free: MC34118G  
MC34118L  
The UTC MC34118 which requiring typically 5mA may be  
operated from a power supply, or it can be powered from the  
telephone line.  
„
FEATURES  
* Attenuator gain range: 52dB (between Transmit and Receive)  
* For line-powered applications : 3~6.5V low voltage operation  
* For improved sensitivity :4-point signal sensing  
* For Transmit and Receive paths: background noise monitors  
* External resistors set microphone amplifier gain  
* Mute function included  
* Chip disable: active or standby operation  
* During dial tone presence: dial tone detector to inhibit receive idle  
mode  
„
ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Normal  
Lead Free Plating  
MC34118L-D28-T  
MC34118L-E28-T  
MC34118L-S28-T  
MC34118L-S28-R  
Halogen Free  
MC34118-D28-T  
MC34118-E28-T  
MC34118-S28-T  
MC34118-S28-R  
MC34118G-D28-T  
MC34118G-E28-T  
MC34118G-S28-T  
MC34118G-S28-R  
DIP-28  
SDIP-28  
SOP-28  
SOP-28  
Tube  
Tube  
Tube  
Tape Reel  
www.unisonic.com.tw  
Copyright © 2009 Unisonic Technologies Co., Ltd  
1 of 12  
QW-R108-007,D  

相关下载

全部评论(0)

暂无评论
评论赚积分>>

上传资源 上传优质资源有赏金

热门标签

更多>>

最新上传

  • 打赏
  • 30日榜单

热门下载

推荐下载

本站上的所有资源均为源于网上收集或者由用户自行上传，仅供学习和研究使用，无任何商业目的，版权归原作如有侵权，请 来信指出，本站将立即改正。

ICP许可证号：京ICP证070360号     21IC电子网 2000- 版权所有

京ICP备11013301号

京公网安备 11010802024343号