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PCF7991AT 데이터시트(PDF) 4 Page - List of Unclassifed Manufacturers |
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PCF7991AT 데이터시트(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 19 page ![]() printed 1998 Apr 20 4 Philips Semiconductors Product Specification (Rev. 1998 Apr 20) Advanced Basestation IC PCF7991AT 4 BLOCK DIAGRAM Fig.1 Blockdiagram advanced basestation PCF7991AT. Antenna Drivers Modulator Control Unit Oscillator Serial Interface Control Register Synchron Demodulator Phase Measurement Bandpass Filter Amplifier Dynamic Control Digitizer TX1 TX2 RX QGND CEXT VSS XTAL1 XTAL2 DIN DOUT SCLK VDD MODE 5 QUICK REFERENCE DATA PARAMETER VALUE MIN. MAX. UNIT Supply voltage 4.5 5.5 V Power-down current 20 µA Clock/Oscillator frequency (antenna carrier frequency 125 kHz) 4 16 MHz Antenna driver current 400 mAp Receiver sensitivity 2 mVpp Serial interface CMOS compatible Package SO14 Operation temperature range −40 °C to +85 °C |
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