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TEF6894H データシート(PDF) 13 Page - NXP Semiconductors |
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TEF6894H データシート(HTML) 13 Page - NXP Semiconductors |
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13 / 55 page  2003 Oct 21 13 Philips Semiconductors Product specification Car radio integrated signal processor TEF6894H ∆Vout frequency response FM mode fFMMPX =20Hz −0.5 − +0.5 dB fFMMPX = 15 kHz −0.5 − +0.5 dB fcut-off(de-em) cut-off frequency of de-emphasis filter −3 dB point; see Fig.15 DEMP = 1 ( τ de-em =50 µs) − 3.18 − kHz DEMP = 0 ( τ de-em =75 µs) − 2.12 − kHz mi(pilot)(rms) pilot threshold modulation for automatic switching by pilot input voltage (RMS value) stereo on − 4.0 5.5 % off 1.3 2.7 − % hyspilot hysteresis of pilot threshold voltage − 2 − dB Vref(min) minimum reference input voltage −− 30 mV fref reference frequency for stereo PLL 75361 75368 75375 Hz Noise blanker FM PART tsup(min) minimum suppression time − 15 −µs VMPXRDS(M) noise blanker sensitivity at MPXRDS input (peak value of noise pulses) see Table 37; tpulse =10 µs; repetition frequency f = 300 Hz NBS[1:0] = 00 − 90 − mV NBS[1:0] = 01 − 150 − mV NBS[1:0] = 10 − 210 − mV NBS[1:0] = 11 − 270 − mV VLEVEL(M) noise blanker sensitivity at LEVEL input (peak value of noise pulses) see Table 40; tpulse =10 µs; repetition frequency f = 300 Hz NBL[1:0] = 00 − 9 − mV NBL[1:0] = 01 − 18 − mV NBL[1:0] = 10 − 28 − mV AM PART tsup(min) minimum suppression time − 200 −µs MAM noise blanker sensitivity see Table 37; faudio = 2 kHz NBS[1:0] = 00 − 110 − % NBS[1:0] = 01 − 140 − % NBS[1:0] = 10 − 175 − % NBS[1:0] = 11 − 220 − % SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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