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TEA6880 bảng dữ liệu(PDF) 5 Page - NXP Semiconductors |
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TEA6880 bảng dữ liệu(HTML) 5 Page - NXP Semiconductors |
5 / 88 page 2000 May 08 5 Philips Semiconductors Product specification Up-level Car radio Analog Signal Processor (CASP) TEA6880H 5 BLOCK DIAGRAM Fig.1 Block diagram (continued in Fig.2). MHB427 handbook, full pagewidth 50/75 µs DE-EMPHASIS & AM STEREO INPUT FM BUFFER & FM NB-GATES MATRIX & SOFT-MUTE V/I CONVERTER STEREO DECODER PLL INPUT BUFFER & 80 kHz LOW-PASS STEREO DECODER OUTPUT AVERAGE DETECTOR (USN1) AVERAGE DETECTOR (WBAM1) PEAK DETECTOR (USN2) AVERAGE DETECTOR (MUTE/HCC) AM GATE LEVEL ADC (6-BIT) LEVEL INPUT BUFFER 20 kHz BAND-PASS & AMWB DETECTOR HCC SNC de-emphasis switch I2C-BUS & CONTROL LOGIC I2C-bus to NICE from AM/FM level detector I2C-bus detector hold detector reset test NOISE & INTERFERENCE DETECTOR FM PULSE FORMER sensitivity start/ slope BUS start/ slope 38 kHz 19 kHz 38 kHz mute slope mute start bus controls 22 k Ω 82 k Ω 100 k Ω 22 k Ω 5 4 3 2 1 64 63 6 7 VDD(I2C-bus) 4.7 nF 10 nF 4.7 nF 62 61 2.7 nF 2.7 nF 60 59 3.3 nF 58 57 53 52 51 50 49 48 47 46 45 44 43 54 55 10 nF 220 nF 56 10 µF 10 nF 3.3 nF 220 nF 33 pF H G E PEAK DETECTOR (WBAM2) PEAK DETECTOR (SNC) D C F detector hold detector hold B A detector reset test sep.adj. 60 kHz HIGH-PASS & USN DETECTOR PULSE SEPARATOR 120 kHz HIGH-PASS AMPLIFIER sensitivity pilot ind. MPX input AMNBIN MPXRDS RIN 182 kΩ 470 k Ω 100 nF 6.8 nF 100 nF 22 nF 6.8 nF 68 k Ω 10 nF 100 nF 100 k Ω 220 k Ω 33 nF AM mono input audio processing hold (for RDS update) from NICE (AFSAMPLE) fref (75.4 kHz) trigger sensitivity TEA6880H AGC |
Số phần tương tự - TEA6880 |
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Mô tả tương tự - TEA6880 |
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