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Which of the following are the basic elements in a 555 timer IC?
(a) Two comparators
(b) A flip-flop
(c) A discharge transistor
(d) A resistive voltage divider
(a) Two comparators
(b) A flip-flop
(c) A discharge transistor
(d) A resistive voltage divider
- a)(a), (b) and (d)
- b)only (a), (b) and (c)
- c)only (b), (c) and (d)
- d)only (a), (b), (c) and (d)
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following are the basic elements in a 555 timer IC?(a) Tw...
The 555 timer is one of the most popular IC used in timing circuits.
It is an integrated circuit used in a variety of timer, pulse generation, and oscillator applications.
The Pin configuration of IC-555 is as shown:
It is an integrated circuit used in a variety of timer, pulse generation, and oscillator applications.
The Pin configuration of IC-555 is as shown:
- Pin 5 of 555 Timer is the control pin.
- This makes the oscillator cycle more consistent.
- This pin can also be used to change the internal voltage reference to allow modifying the oscillator frequency or duty cycle.
- The single 555 Timer chip in its basic form is a Bipolar 8-pin mini DIP device.
- It consists of 25 transistors, 2 diodes, 16 registers to form two comparators, a flip-flop, and high current output.
- Pin 7 is called a Discharge pin which is connected directly to the collector of an internal NPN transistor which is used to “discharge” the timing capacitor to the ground when the output at pin 3 switches low.
- The 555 Timer’s name is derived as there are three 5 kΩ resistors connected internally producing a voltage divider network between the supply voltage at pin 8 and ground at pin 1.
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Community Answer
Which of the following are the basic elements in a 555 timer IC?(a) Tw...
The 555 timer is one of the most popular IC used in timing circuits.
It is an integrated circuit used in a variety of timer, pulse generation, and oscillator applications.
The Pin configuration of IC-555 is as shown:
It is an integrated circuit used in a variety of timer, pulse generation, and oscillator applications.
The Pin configuration of IC-555 is as shown:
- Pin 5 of 555 Timer is the control pin.
- This makes the oscillator cycle more consistent.
- This pin can also be used to change the internal voltage reference to allow modifying the oscillator frequency or duty cycle.
- The single 555 Timer chip in its basic form is a Bipolar 8-pin mini DIP device.
- It consists of 25 transistors, 2 diodes, 16 registers to form two comparators, a flip-flop, and high current output.
- Pin 7 is called a Discharge pin which is connected directly to the collector of an internal NPN transistor which is used to “discharge” the timing capacitor to the ground when the output at pin 3 switches low.
- The 555 Timer’s name is derived as there are three 5 kΩ resistors connected internally producing a voltage divider network between the supply voltage at pin 8 and ground at pin 1.
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Which of the following are the basic elements in a 555 timer IC?(a) Two comparators(b) A flip-flop(c) A discharge transistor(d) A resistive voltage dividera)(a), (b) and (d)b)only (a), (b) and (c)c)only (b), (c) and (d)d)only (a), (b), (c) and (d)Correct answer is option 'D'. Can you explain this answer?
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