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TEA5594 数据表(PDF) 2 Page - NXP Semiconductors |
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TEA5594 数据表(HTML) 2 Page - NXP Semiconductors |
2 / 17 page 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. |
类似零件编号 - TEA5594 |
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类似说明 - TEA5594 |
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