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參數(shù)資料
| 型號： | TUA4300G |
| 廠商： | SIEMENS A G |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | MQFP-64 |
| 文件頁數(shù)： | 23/38頁 |
| 文件大小： | 393K |
| 代理商： | TUA4300G |
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FS: 04/93
Page 4
3. Stereodecoder
This part provides the stereo decoder function and noise blanking for FM car radio applications.
Features
- Internal reference voltage source
- Adjustment free oscillator with ceramic resonator 456 kHz
- Pilot dependent mono/stereo switching with hysteresis
- Stereo indicator output
- Analog mono/stereo blend control (stereo noise control, SNC)
- Pilot canceller (19 kHz)
- Adjacent channel noise suppression (114 kHz)
- Mute facility
- Analog deemphasis control (high cut control, HCC)
- Interference noise detector with integrated high-pass filter (IF level signal or MPX input)
- MPX-input low-pass filter
- Noise blanking at MPX -demodulator outputs.
- L, R audio is common to AM.
4. AM Mode
In this mode, the IC is comprised of a mixer, an oscillator with a divider by 8 or 10, a prestage control, an IF post
amplification, 2nd mixer with AGC to convert the 1st IF to the 2nd IF, 2nd local oscillator ( buffer for external source),
automatic gain controlled amplifier and quasisynchronous demodulator.
The same oscillator is used in AM and FM mode.
Features
-
2nd mixer with AGC
-
1st IF amp; use of CER filter or crystal filter possible
-
2nd LO with quartz or external source
-
Output for AM IF counter
-
Wide range 2nd IF AGC amplifier
-
Quasi synchronous demodulator for AM mode
-
Fast AM search tuning stop feature
-
HCC for AM
SIEMENS AG
IC-SPECIFICATION
TUA 4300 G
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Functional Description, Application
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created
by patent grant or registration of a utility model or design, are reserved.
HL DOK
V66047-S695-G100-G1
12.11.96
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相關代理商/技術參數(shù) |
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| TUA4401 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| TUA4401K | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:FM Car Radio IC with PLL |
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