參數(shù)資料
型號(hào): TUA4307
廠商: INFINEON TECHNOLOGIES AG
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: MQFP-80
文件頁(yè)數(shù): 47/48頁(yè)
文件大?。?/td> 952K
代理商: TUA4307
Product Description
2 - 4
TUA 4307
Wireless Components
Specification, September 1999
2.2.4
AM Mode
In this mode, the IC is comprised of a mixer, an oscillator with a divider by 4, 6,
8 or 10, a prestage control, 2nd mixer to convert the 1st IF to the 2nd IF, 2nd
local force oscillator ( buffer for external source), automatic gain controlled
amplifier and quasisynchronous demodulator.
The same oscillator is used in AM and FM mode.
s
2nd mixer with 10.25 MHz crystal oscillator or external force mode for mixing
frequency
s
Output for AM IF counter
s
Output for AM stereodecoder (CQAM)
s
Wide range 2nd IF AGC amplifier
s
Quasi synchronous demodulator for AM mode
s
Station detector with adjustable fieldstrength threshold (Output with FM)
s
Fast AM search tuning stop feature
s
HCC for AM
2.3 Applications
s
AM/FM Car radio receiver with analog/digital STS (search tuning stop)
2.4 Package Outlines
M-QFP-80-1
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