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TDA7417 Datasheet(PDF) 20 Page - STMicroelectronics |
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TDA7417 Datasheet(HTML) 20 Page - STMicroelectronics |
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20 / 34 page ![]() Description of the audioprocessor TDA7417 20/34 4.8 Highpass filter The highpass filter has 2 order filter characteristics with programmable cut-off frequency (80/120/160Hz) Figure 15. Highpass Control 4.9 Output Selector and Mixing The output-selector allows different sources to connect to the front output. The setup of the output selector is shown in Figure 16. A Mixing-stage is placed after the front speaker- attenuator and can be set to mixing-mode. In normal mode, switch (sw1) turns to down and main signal is directly outputted through front pin. In the mixing mode, switch (sw1) turns up, mono differential signal and main signal are mixed with ratio -6/-6dB. Having a full volume-attenuator for the mix-signal, the stage offers a wide flexibility to adapt the mixing levels. Figure 16. Output Selector Rear Main Mix_out Attenuator Attenuator Attenuator Attenuator SW sw 1 -6/-6 dB Mono Differential |
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