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TDA1591T Fiches technique(PDF) 5 Page - NXP Semiconductors |
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TDA1591T Fiches technique(HTML) 5 Page - NXP Semiconductors |
5 / 20 page 1996 Sep 02 5 Philips Semiconductors Product specification PLL stereo decoder and noise blanker TDA1591 FUNCTIONAL DESCRIPTION Adapting the MPX input to the level of the FM demodulator output is realized by the value of input resistor R1 (see Fig.3). The total gain of the stereo decoder is applicable by varying the feedback resistors R2 and R3 (see Figs 1 and 4). In mute position and the VCO switched off (pin 7), the output amplifiers can be used for cassette playback, AM stereo purpose or other signal sources. The Stereo Noise Controller (SNC) provides a smooth mono to stereo take-over (see Fig.5). For High Cut Control (HCC), the de-emphasis time constant can be changed to higher values (see Figs 7 and 8). This function is controlled by an analog input signal. The noise blanking facility is achieved by gating the stereo decoder output signal. The interference detector generates a gating pulse preferable forced by the level detector voltage of the IF part. LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). Note 1. Equivalent to discharging a 200 pF capacitor through a 0 Ω series resistor. SYMBOL PARAMETER MIN. MAX. UNIT VP supply voltage (pin 5) 0 13.2 V Ptot total power dissipation 0 0.25 W Tstg storage temperature −55 +150 °C Tamb operating ambient temperature −40 +85 °C Ves electrostatic handling; note 1 pins 1 and 16 −400 +400 V pin 5 −300 +300 V all other pins −600 +600 V |
Numéro de pièce similaire - TDA1591T |
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Description similaire - TDA1591T |
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