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參數(shù)資料
| 型號(hào)： | TEA5594 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM radio receiver circuit |
| 中文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP32 |
| 封裝： | SHRINK, PLASTIC, SOT-232, DIP-32 |
| 文件頁(yè)數(shù)： | 2/17頁(yè) |
| 文件大?。?/td> | 108K |
| 代理商： | TEA5594 |
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March 1991
2
Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5594
GENERAL DESCRIPTION
The TEA5594 is a 32-pin integrated radio circuit designed
for use in all Electronic Tuned Radio (ETR) sets especially
those sets which have to fulfil the immunity requirements
of CENELEC.
The AM circuit incorporates:
A double balanced mixer
A ‘one-pin’ oscillator with amplitude control operating in
the LW/MW frequency range
An IF amplifier and AM detector
An AGC circuit which controls the IF amplifier and mixer
The FM circuit incorporates:
A front-end (fulfilling the “out of band” CENELEC
requirements)
Two IF amplifiers (for distributed selectivity)
A quadrature demodulator with a ceramic filter
The TEA5594 also contains:
Oscillator output buffers for AM and FM
A combined AM/FM IF counter output buffer with
counter “enable” function
A field strength level detector for AM and FM
A soft mute circuit at FM, adjustable
An extra IF amplifier to split up IF filtering
Features
Low distortion on FM
AM/FM level/indicator circuit
A DC AM/FM switch facility
Supply voltages 2.7 to 15 V
A local distance switch facility (LOCAL-DX) at FM
All pins are ESD protected
PACKAGE OUTLINE
32-lead shrink DIL; plastic (SOT232); SOT232-1; 1996 September 9.
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