поискавой системы для электроныых деталей |
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TEA5764HN датащи(PDF) 6 Page - NXP Semiconductors |
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TEA5764HN датащи(HTML) 6 Page - NXP Semiconductors |
6 / 64 page TEA5764HN_2 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 02 — 9 August 2005 6 of 64 Philips Semiconductors TEA5764HN FM radio + RDS 8. Functional description 8.1 Low noise RF amplifier The LNA input impedance together with the LC RF input circuit defines an FM band filter. The gain of the LNA is controlled by the RF AGC circuit. 8.2 FM I/Q mixer FM quadrature mixer converts FM RF (76 MHz to 108 MHz) to IF. 8.3 VCO The varactor tuned LC VCO provides the Local Oscillator (LO) signal for the FM quadrature mixer. The VCO frequency range is 150 MHz to 217 MHz. n.c. 17 not connected INTCON2 18 internally connected; leave open GNDD 19 digital ground INTX 20 interrupt flag output n.c. 21 not connected INTCON1 22 internally connected; leave open TMUTE 23 soft mute time-constant capacitor VAFR 24 right audio output VAFL 25 left audio output MPXOUT 26 FM demodulator MPX output MPXIN 27 MPX decoder and RDS decoder MPX input GNDD 28 digital ground; this pin has an internal pull-down resistor of 10 k Ω to ground n.c. 29 not connected GNDA 30 analog ground n.c. 31 not connected FREQIN 32 32.768 kHz reference frequency input XTAL 33 crystal oscillator input VCCA 34 analog supply voltage CD3 35 VCCA decoupling capacitor RFIN1 36 RF input 1 RFIN2 37 RF input 2 GNDRF 38 RF ground CAGC 39 RF AGC time-constant capacitor n.c. 40 not connected Table 3: Pin description …continued Symbol Pin Description |
Аналогичный номер детали - TEA5764HN |
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Аналогичное описание - TEA5764HN |
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