Elcetronics

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What does CAD meal
Computer Aided Design
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What is the calculation for a time high
0.693 x (R1+R2) x C
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What is the calculation for a time low
0.693x R2 x C
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What is the calculation for mark space ratio
Time high / Time low
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What is a monostable
A timer- it only has one stable state and when changed it will return after a set time
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What is a bistable
A latch- has two stable states and will stay in either unless acted upon by an external force
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What is good about a monostable
Cheap and for a short time constant timer
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What is good a 555 I.C
Cheap, been around a long time (reliable), repetative, accurate, digital
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What is bad about a monostable
Inaccurate, non repeatative, only turns outputs on, cant reset it to zero on the time constant
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What is bad about the 555 I.C
Easily damaged, cant be reset
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What is a micro controller
An I.C that is a blank canvas for us to tell what to do, there are a range of sizes and this gives us more outputs and inputs to use
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What is a seven segment display
A way of displaying numbers easily and clearly
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In which order do the LED's identified on the seven segment display
Clock wise, A,B,C,D,E,F,G and there is a dp at the bottom right of the display
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Other cards in this set

Card 2

Front

What is the calculation for a time high

Back

0.693 x (R1+R2) x C

Card 3

Front

What is the calculation for a time low

Back

Preview of the front of card 3

Card 4

Front

What is the calculation for mark space ratio

Back

Preview of the front of card 4

Card 5

Front

What is a monostable

Back

Preview of the front of card 5
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