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Electronics
A Level

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 differ...

Answered by Andrei L. Electronics tutor
1458 Views

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 QQBAR is the opposite logic state as QSet (S) and Reset (R) are priority inputsWhen S is high, Q is forced highWhen R is...

Answered by Arad S. Electronics tutor
1234 Views

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 o...

Answered by Joanna M. Electronics tutor
1274 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 i...

Answered by William L. Electronics tutor
1093 Views

Explain Ohm Law

V = I * R where V is a voltage, I is current and R is resistance. This law says voltage is directly proportional to current and resistance.

Answered by Waqar S. Electronics tutor
1285 Views

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