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| Skema Rangkaian Pengusir Nyamuk |
Description IC CD4047B
IC CD4047B is capable of operating in either the monostable or astable mode. It requires an external capacitor (between pins 1 and 3) and an external resistor (between pins 2 and 3) to determine the output pulse width in the monostable mode, and the output frequency in the astable mode. Astable operation is enabled by a high level on the astable input or low level on the astable input. The output frequency (at 50% duty cycle) at Q and Q outputs is determined by the timing components. A frequency twice that of Q is available at the Oscillator Output; a 50% duty cycle is not guaranteed. Monostable operation is obtained when the device is triggered by low-to-high transition at a trigger input or high-tolow transition at b trigger input. The device can be retriggered by applying a simultaneous low-to-high transition to
both the a trigger and retrigger inputs. A high level on Reset input resets the outputs Q to low, Q to high.
Lay out IC CD4047B
Block and Connection Diagrams IC CD4047B
IC CD4047B Applications
Frequency discriminators
Timing circuits
Time-delay applications
Envelope detection
Frequency multiplication
Frequency division
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