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STUW81300 Datenblatt(PDF) 6 Page - STMicroelectronics |
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STUW81300 Datenblatt(HTML) 6 Page - STMicroelectronics |
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6 / 63 page ![]() Functional block diagram STuW81300 6/63 DS11314 Rev 7 1 Functional block diagram Figure 1. STuW81300 functional block diagram MSv43251V2 CBYP_4V5 VREG_4V5 VCC_VCO_Core HW_PD PDRF1 PDRF2 CBYP VREG_VCO VIN_LDO_VCO VR VCTRL EXTVCO_INP EXTVCO_INN VDD_CP ICP VCC_CPOUT VDD_PFD VIN_LDO_REF VREG_REF REF_CLKN REF_CLKP SDI SCK LE VDD_DSM_NDIV VREG_DIG VIN_LDO_RF_DIG VREG_RF RF1_OUTN RF1_OUTP VCC_RFOUT RF2_OUTN RF2_OUTP TEST_SE VIN_LDO_4V5 LDO reg. RF Freq. Doubler LDO reg. 4V5 LDO reg. VCO VCO 3.85-8.0 GHz Divider by 2 RFoutput buffer Voltage reference LDO reg. DIG N divider /1 /2 /4 x2 VCO 1.925-4.0 GHz <6.0 GHz 13- bit R-counter Phase frequency detector Lock detector Charge pump LDO reg. REF SDO FL_SW LD VCO 3.85 - 8.0 GHz VIN_LDO_RF_DIG VCO and band selection VCO calibrator SPI (R/W) digital data interface Sigma-delta 21 bit Fast lock switch & cycle slip RF output buffer |
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