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Explain the concept of bandwidth with regard to a real op-amp and how this differs from the ideal op-amp.
Ideal op-amps are considered to have infinite open loop gain at any frequency, meaning that in a feedback circuit the output voltage will always be as large as it needs to be to bring the potential differenc...
AL
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Andrei L.
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Electronics tutor
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Describe the operation of a D-Type Flip Flop [6 Marks]
On the rising edge of the clock (Ck) the signal at D is copied to output QQ BAR is the opposite logic state as QSet (S) and Reset (R) are priority inputsWhen S is high, Q is forced highWhen R is high, Q BAR ...
AS
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Arad S.
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Electronics tutor
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If there is a parallel circuit with three branches, each branch with 3 equal LEDs (and a resistor with negligible current flow), and 100mA going through each LED, what is the current flowing from the source?
Current splits up in a parallel circuit inversely proportional to the resistance of each branch; i.e. a branch with very low resistance will get the most current whereas a branch with a comparatively high re...
CM
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Carla M.
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Electronics tutor
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Can you explain what bitmasking is, and how it works and what it's used for?
There are many instances where we simply want to know what the value of one port, or some particular bits in the status register are. Masking all other bits will essentially isolate this bit, regardless of t...
JM
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Joanna M.
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Electronics tutor
2286 Views
Graph question Q1a in AQA 2016
This is the link for the question, http://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2016/june/AQA-ELEC1-QP-JUN16.PDF The diagram shows the relationships bewteen letters. C and D are the inverse of ...
WL
Answered by
William L.
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Electronics tutor
1501 Views
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