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CD54HC4046AF 数据表(PDF) 13 Page - Texas Instruments |
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CD54HC4046AF 数据表(HTML) 13 Page - Texas Instruments |
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13 / 28 page ![]() 13 FIGURE 11. HC4046A TYPICAL CENTER FREQUENCY vs R1, C1 (VCC = 4.5V) FIGURE 12. HC4046A TYPICAL CENTER FREQUENCY vs R1, C1 (VCC = 6V) FIGURE 13. HC4046A TYPICAL CENTER FREQUENCY vs R1, C1 (VCC = 3V, R2 = OPEN) FIGURE 14. HCT4046A TYPICAL CENTER FREQUENCY vs R1, C1 (VCC = 4.5V) FIGURE 15. HCT4046A TYPICAL CENTER FREQUENCY vs R1, C1 (VCC = 5.5V) FIGURE 16. HC4046A TYPICAL VCO FREQUENCY vs VCOIN (R1 = 1.5M Ω, C1 = 50pF) Typical Performance Curves (Continued) 108 107 106 105 104 103 102 10 1 110 102 103 104 105 106 CAPACITANCE, C1 (pF) VCOIN = 0.5 VCC VCC = 4.5V R1 = 2.2K R1 = 22K R1 = 220K R1 = 2.2M R1 = 11M 108 107 106 105 104 103 102 10 1 110 102 103 104 105 106 CAPACITANCE, C1 (pF) VCOIN = 0.5 VCC VCC = 6.0V R1 =3K R1 = 30K R1 =330K R1 = 3M R1 = 15M 108 107 106 105 104 103 102 10 1 110 102 103 104 105 106 CAPACITANCE, C1 (pF) VCOIN = 0.5 VCC VCC = 3.0V R2 = OPEN R1 = 1.5K R1 = 15K R1 = 150K R1 = 1.5M R1 = 7.5M 108 107 106 105 104 103 102 10 1 110 102 103 104 105 106 CAPACITANCE, C1 (pF) VCOIN = 0.5 VCC VCC = 4.5V R1 = 2.2K R1 = 22K R1 = 220K R1 = 2.2M R1 = 11M 108 107 106 105 104 103 102 10 1 110 102 103 104 105 106 CAPACITANCE, C1 (pF) VCOIN = 0.5 VCC VCC = 5.5V R1 = 3K R1 = 30K R1 = 300K R1 = 3M R1 = 15M 140 120 100 80 60 40 20 01 2 3 4 5 6 VCOIN (V) C1 = 50pF R1 = 1.5M VCC = 3V VCC = 4.5V VCC = 6V CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A |
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