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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADRF6620ACPZ-R7 데이터시트(PDF) 13 Page - Analog Devices |
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ADRF6620ACPZ-R7 데이터시트(HTML) 13 Page - Analog Devices |
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13 / 52 page  Data Sheet ADRF6620 Rev. 0 | Page 13 of 52 PHASE-LOCKED LOOP (PLL) VCCx = 5 V, TA = 25°C, 120 kHz loop filter, fREF = 153.6 MHz, PLL reference amplitude = 4 dBm, fPFD = 38.4 MHz, measured at LO output, unless otherwise noted. –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) Figure 14. VCO2 Open-Loop VCO Phase Noise vs. Offset Frequency; fVCO2 = 3.4 GHz, LO_DIV_A = 00, VTUNE = 2 V –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) Figure 15. VCO1 Open-Loop Phase Noise vs. Offset Frequency; fVCO1 = 4.6 GHz, LO_DIV_A = 00, VTUNE = 2 V –160 –150 –140 –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) Figure 16. VCO0 Open-Loop Phase Noise vs. Offset Frequency; fVCO0 = 5.5 GHz, LO_DIV_A = 00, VTUNE = 2 V 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) –160 –155 –150 –145 –140 –135 –130 –125 –120 –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 LO_DIV_A = 00 LO_DIV_A = 01 LO_DIV_A = 10 LO_DIV_A = 11 Figure 17. VCO2 Closed-Loop Phase Noise for Various LO_DIV_A Dividers vs. Offset Frequency; fVCO2 = 3.4 GHz 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) –160 –155 –150 –145 –140 –135 –130 –125 –120 –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 LO_DIV_A = 00 LO_DIV_A = 01 LO_DIV_A = 10 LO_DIV_A = 11 Figure 18. VCO1 Closed-Loop Phase Noise for Various LO_DIV_A Dividers vs. Offset Frequency; fVCO1 = 4.6 GHz 1k 10k 100k 1M 10M 100M OFFSET FREQUENCY (Hz) –160 –155 –150 –145 –140 –135 –130 –125 –120 –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 LO_DIV_A = 00 LO_DIV_A = 01 LO_DIV_A = 10 LO_DIV_A = 11 Figure 19. VCO0 Closed-Loop Phase Noise for Various LO_DIV_A Dividers vs. Offset Frequency; fVCO0 = 5.532 GHz |
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