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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9545 датащи(PDF) 21 Page - Analog Devices |
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AD9545 датащи(HTML) 21 Page - Analog Devices |
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21 / 157 page  Data Sheet AD9545 Rev. A | Page 21 of 157 PHASE NOISE Table 23. Parameter Min Typ Max Unit Test Conditions/Comments PHASE NOISE System clock doubler enabled; high phase margin mode enabled; there is not a significant jitter difference between driver modes Channel 0—DPLL0, APLL0 Channel 1 powered down RMS Jitter (12 kHz to 20 MHz) Configuration 1—155.52 MHz Device configuration: fOSC = 52 MHz crystal, fREF = 38.88 MHz, fVCO = 2488.32 MHz, fOUT = 155.52 MHz, DPLL BW = 50 Hz, phase buildout operation 10 Hz Offset −81 dBc/Hz 100 Hz Offset −98 dBc/Hz 1 kHz Offset −118 dBc/Hz 10 kHz Offset −128 dBc/Hz 100 kHz Offset −134 dBc/Hz 1 MHz Offset −144 dBc/Hz 10 MHz Offset −158 dBc/Hz Floor −161 dBc/Hz Configuration 2—245.76 MHz Device configuration: fOSC = 52 MHz crystal, fREF = 30.72 MHz, fVCO = 2457.6 MHz, fOUT = 245.76 MHz, DPLL BW = 50 Hz, internal zero delay operation 10 Hz Offset −77 dBc/Hz 100 Hz Offset −93 dBc/Hz 1 kHz Offset −114 dBc/Hz 10 kHz Offset −125 dBc/Hz 100 kHz Offset −130 dBc/Hz 1 MHz Offset −140 dBc/Hz 10 MHz Offset −156 dBc/Hz Floor −161 dBc/Hz Configuration 3—491.52 MHz Device configuration: fOSC = 52 MHz crystal, fCOMP = 19.2 MHz TCXO, BWCOMP = 50 Hz, fREF = 1 Hz, fVCO = 2949.12 MHz, fOUT = 491.52 MHz, DPLL BW = 50 mHz, phase buildout operation 10 Hz Offset −74 dBc/Hz 100 Hz Offset −89 dBc/Hz 1 kHz Offset −108 dBc/Hz 10 kHz Offset −119 dBc/Hz 100 kHz Offset −123 dBc/Hz 1 MHz Offset −134 dBc/Hz 10 MHz offset −152 dBc/Hz Floor −159 Configuration 4—125 MHz Device configuration: fOSC = 52 MHz crystal, fCOMP = 19.2 MHz TCXO, BWCOMP = 50 Hz, fREF = 125 MHz, fVCO = 2500 MHz, fOUT = 125 MHz, DPLL BW = 0.1 Hz, phase buildout operation 10 Hz Offset −84 dBc/Hz 100 Hz Offset −106 dBc/Hz 1 kHz Offset −120 dBc/Hz 10 kHz Offset −131 dBc/Hz 100 kHz Offset −136 dBc/Hz 1 MHz Offset −147 dBc/Hz 10 MHz Offset −160 dBc/Hz Floor −163 dBc/Hz |
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