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U4468B PDF预览

U4468B

更新时间: 2024-02-19 07:29:08
品牌 Logo 应用领域
爱特美尔 - ATMEL 消费电路商用集成电路接收器集成电路光电二极管异步传输模式ATM
页数 文件大小 规格书
12页 198K
描述
Quasi-split Sound Circuit and AM Demodulator IC

U4468B 技术参数

是否Rohs认证:不符合生命周期:Transferred
包装说明:DIP-16Reach Compliance Code:unknown
风险等级:5.76Is Samacsys:N
商用集成电路类型:AUDIO DEMODULATOR解调类型:AM
谐波失真:1%JESD-30 代码:R-PDIP-T16
JESD-609代码:e0功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:输出电压标称(AM):500 mV
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.3封装形状:RECTANGULAR
封装形式:IN-LINE电源:5 V
认证状态:Not Qualified子类别:Receiver ICs
最大供电电压 (Vsup):9 V最小供电电压 (Vsup):4.5 V
表面贴装:NO技术:BIPOLAR
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

U4468B 数据手册

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Features  
5-V Supply Voltage  
Gain-controlled 3-stage Wide-band IF Amplifier  
Active Carrier Generation by FPLL Principle (Frequency-Phase-Locked-Loop) for True  
Quadrature Demodulation  
Complete Alignment-free AM Demodulator  
Switchable Amplitude Detector for Gain Control, which Operates as a Peak Detector for  
FM Sound and as a Mean Level Detector for AM Sound  
Quasi-split  
Description  
Sound Circuit  
and AM  
Demodulator IC  
The U4468B is an integrated bipolar circuit for full multistandard sound IF signal pro-  
cessing in TV/VTR and multimedia applications. It supplies AM signals as well as  
FM/NICAM sound IF signals and thus allows the design of a universal sound IF mod-  
ule for various applications.  
U4468B  
Figure 1. Block Diagram  
VS  
Loop  
filter  
4
14  
REF  
5
VCO  
8
9
05  
FPLL  
VCO  
IFFM  
905  
IF-amp  
2
1
12  
Intercarrier  
(FM)  
IFAM  
Mean  
3
6
AF (AM)  
AGC  
AM-det  
Peak  
level  
13  
7
10  
S2  
IF AGC  
Mean/peak  
S1  
Mute  
Rev. 4777A–TVVCR–01/04  

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