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MC100EL1648MG 数据表(PDF) 10 Page - ON Semiconductor |
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MC100EL1648MG 数据表(HTML) 10 Page - ON Semiconductor |
10 / 16 page MC100EL1648 http://onsemi.com 10 WAVE−FORM CONDITIONING − SINE OR SQUARE WAVE The peak−to−peak swing of the tank circuit is set internally by the AGC pin. Since the voltage swing of the tank circuit provides the drive for the output buffer, the AGC potential directly affects the output waveform. If it is desired to have a sine wave at the output of the MC100EL1648, a series resistor is tied from the AGC point to the most negative power potential (ground if positive volt supply is used, −5.2 V if a negative supply is used) as shown in Figure 13. At frequencies above 100 MHz typical, it may be desirable to increase the tank circuit peak−to−peak voltage in order to shape the signal into a more square waveform at the output of the MC100EL1648. This is accomplished by tying a series resistor (1.0 k W minimum) from the AGC to the most positive power potential (+5.0 V if a positive volt supply is used, ground if a −5.2 V supply is used). Figure 14 illustrates this principle. Figure 13. Method of Obtaining a Sine−Wave Output 10 12 78 3 5 Output +5.0Vdc 114 Figure 14. Method of Extending the Useful Range of the MC100EL1648 (Square Wave Output) 10 12 78 3 5 Output +5.0Vdc 114 1.0k min |
类似零件编号 - MC100EL1648MG |
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类似说明 - MC100EL1648MG |
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