전자부품 데이터시트 검색엔진 |
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LMC6772 데이터시트(PDF) 9 Page - National Semiconductor (TI) |
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LMC6772 데이터시트(HTML) 9 Page - National Semiconductor (TI) |
9 / 11 page Typical Applications (Continued) The circuit shown above provides output signals at a pre- scribed time interval from a time reference and automatically resets the output when the input returns to ground. Consider the case of V IN = 0. The output of comparator 4 is also at ground. This implies that the outputs of comparators 1, 2, and 3 are also at ground. When an input signal is applied, the output of comparator 4 swings high and C charges expo- nentially through R. This is indicated above. The output volt- ages of comparators 1, 2, and 3 swtich to the high state when V C1 rises above the reference voltages VA,VB and VC. A small amount of hysteresis has been provided to insure fast switching when the RC time constant is chosen to give long delay times. Time Delay Generator DS012347-32 FIGURE 9. Time Delay Generator www.national.com 9 |
유사한 부품 번호 - LMC6772 |
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유사한 설명 - LMC6772 |
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