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TDA6405A Datasheet(PDF) 4 Page - NXP Semiconductors |
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TDA6405A Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 32 page 1999 Jan 13 4 Philips Semiconductors Product specification 5 V mixer/oscillator-PLL synthesizers for hyperband tuners TDA6404; TDA6405; TDA6405A BLOCK DIAGRAM Fig.1 Block diagram. The pin numbers in parenthesis represent the TDA6405 and TDA6405A. handbook, full pagewidth MGK813 XTAL OSCILLATOR 4 MHz REFERENCE DIVIDER 512, 640, 1024 PRESCALER DIVIDE BY 8 15-BIT PROGRAMMABLE DIVIDER POWER-ON RESET DIGITAL PHASE COMPARATOR CHARGE PUMP TUNING AMPLIFIER UHF OSCILLATOR IF AMPLIFIER VHF OSCILLATOR RF INPUT UHF ELECTRONIC BAND SWITCH RF INPUT VHF UHF MIXER VHF MIXER IN-LOCK DETECTOR 15-BIT FREQUENCY REGISTER 5-LEVEL A/D CONVERTER GATE 7-BIT CONTROL REGISTER LOGIC OS T2, T1, T0 T2, T1, T0 BS CHP T2 T1 T0 RSA RSB OS CHP 3-BIT BAND SWITCH REGISTER VHFL VHFH UHF I2C-BUS TRANSCEIVER FL fREF 1/2fDIV FL FL TDA6404 TDA6405 TDA6405A fREF fDIV 1/2fDIV RSA RSB AS SDA SCL AS SDA SCL (3) 26 (2) 27 (1) 28 (4) 25 (11) 18 (10) 19 (5) 24 (6) 23 (7) 22 (15) 14 (14) 15 (8) 21 16 (13) 2 (27) 1 (28) 4 (25) 3 (26) 12 (17) 11 (18) 10 (19) BS BSVHF BSUHF 5 (24) 17 (12) IFFIL1 VCC VCC 6 (23) IFFIL2 13 (16) 7 (22) 8 (21) 9 (20) (9) 20 UHFOSCIB1 UHFOSCOC1 VT GND CP UHFOSCOC2 UHFOSCIB2 VHFOSCIB2 IFOUT1 IFOUT2 VHFOSCOC1 VHFOSCOC2 VHFOSCIB1 PVHFL ADC PVHFH PUHF UHFIN1 UHFIN2 VHFIN RFGND XTAL BSVHF BSUHF |
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