3
   

Electrical Engineering Question

 
 
Dani101
 
Reply Thu 7 Sep, 2017 01:48 am
Draw the circuit diagram for a half wave rectifier circuit using a single diode. Also include the load RL in your diagram. For the AC input to your half
wave rectifier circuit, we will use the A-CT connections as shown in Figure 1 for 12 Vac.

Sketch the input and output waveforms of the half wave rectifier circuit if the input is a pure sinusoidal signal. Assume zero phase shift and show only two cycles in your sketch.

Sketch the input and output waveforms of the half wave rectifier circuit if the input is a square wave signal. Assume zero phase shift and show only two cycles in your sketch.

Draw the circuit diagram for a full wave rectifier circuit in your logbook using two diodes. Also include the load RL in your diagram. For the AC input to your full wave rectifier circuit, we will use the A-CT-B connections as shown in Figure 1.

Sketch the input and output waveforms of the full wave rectifier circuit if the input is a pure sinusoidal signal. Assume zero phase shift and show only two cycles in your
sketch.

Draw the circuit diagram for a bridge rectifier circuit in your logbook using four diodes. Also include the load RL in your diagram. For the AC input to your full wave rectifier circuit, we will use the A-CT connections as shown in Figure 1 for 12Vac.
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Type: Question • Score: 3 • Views: 1,575 • Replies: 19

 
centrox
 
  3  
Reply Thu 7 Sep, 2017 04:06 am
This is your assignment.
0 Replies
 
seac
 
  3  
Reply Thu 7 Sep, 2017 10:21 am
@Dani101,
This is basic electronics. You can find the answers easy if you look it up.
dalehileman
 
  -1  
Reply Thu 7 Sep, 2017 11:35 am
@Dani101,
Dan I think you're spectin' just a whole lot
centrox
 
  1  
Reply Thu 7 Sep, 2017 11:40 am
@dalehileman,
dalehileman wrote:

Dan I think you're spectin' just a whole lot

Probably. The OP has been doing a class, and has figures that we can't see. This is very elementary. Class assignments tell the teacher a number of things - who pays attention, who understands the material, who is (or is not) willing to make an effort. Copying and pasting the whole thing on a forum that isn't even a specialist electronics site is a poor method of cheating.

dalehileman
 
  -3  
Reply Thu 7 Sep, 2017 12:06 pm
@centrox,
Quote:
poor method of cheating
Alas Cen, ain't it tho. But as usu, no Prof, doesn't it make ya wonder 'bout this kid
0 Replies
 
Dani101
 
  1  
Reply Thu 7 Sep, 2017 09:05 pm
@centrox,
Hi there. Im not expecting them to be solved, I was hoping for a guide as how to approach them. All the Lecturer has done is given us these questions without any background information, therefore I have been researching and have been able to get a rough picture, however the results I have found differ greatly.
0 Replies
 
Dani101
 
  1  
Reply Fri 8 Sep, 2017 05:16 am
@seac,
Hey, thank you for your response, I have looked it up, however with regards to question 1 it asks for a 1/2 wave rectifier circuit with single diode AC input using A-CT connections, I'm not sure if you are familiar in this area, however, if you are, I was wondering if the CT would be an earthed connection?
0 Replies
 
dalehileman
 
  -2  
Reply Fri 8 Sep, 2017 01:14 pm
@seac,
Quote:
easy if you look it up
I looked up 'A-CT', and in spite of some 80-plus years fooling around with electricity, and about 70 years working in The Industry, I still don't know what it means
centrox
 
  1  
Reply Fri 8 Sep, 2017 01:17 pm
@dalehileman,
dalehileman wrote:
I looked up 'A-CT'

You won't find it. They are letters denoting points on his diagram that his teacher included in the assignment paper that he is not showing us.

dalehileman
 
  -1  
Reply Fri 8 Sep, 2017 01:22 pm
@centrox,
Thank you Cen. Was 'feared sumthiin' like that
0 Replies
 
seac
 
  1  
Reply Fri 8 Sep, 2017 09:57 pm
@Dani101,
I also never heard of A-CT being used. I can only assume it means a class A rectifier circuit with a Center Tap transformer going to the load. If you look this up there are circuit diagrams for it. Since a power supply is being described, there will be a transformer involved, with a primary and secondary coils.
centrox
 
  1  
Reply Sat 9 Sep, 2017 01:26 am
@seac,
seac wrote:
I also never heard of A-CT being used. I can only assume it means a class A rectifier circuit with a Center Tap transformer going to the load. If you look this up there are circuit diagrams for it. Since a power supply is being described, there will be a transformer involved, with a primary and secondary coils.

Yes.

Dani101 wrote:
For the AC input to your half wave rectifier circuit, we will use the A-CT connections as shown in Figure 1 ...

Draw the circuit diagram for a full wave rectifier circuit in your logbook using two diodes. Also include the load RL in your diagram. ... For the AC input to your full wave rectifier circuit, we will use the A-CT-B connections as shown in Figure 1.

Draw the circuit diagram for a bridge rectifier circuit in your logbook using four diodes. Also include the load RL in your diagram. For the AC input to your full wave rectifier circuit, we will use the A-CT connections as shown in Figure 1 for 12Vac.


I believe A, B, CT, RL are labels of points in "Figure 1" that form part of Dani101's assignment. I suspect that A and B are the two ends of a transformer secondary winding, CT is the centre (or center) tap of that winding, RL is the load resistance. This is an exercise is basic electronics and all the information needed to complete it would be found quite early in a basic textbook, such as the one they probably use in class.
0 Replies
 
dalehileman
 
  -2  
Reply Sat 9 Sep, 2017 10:02 am
@seac,
Quote:
A-CT ....assume it means a class A rectifier circuit
Golly Seac, at 86 I don't keep up but 'class-A usta mean single-ended amplifier stage drawing current at no sig

Mebbe you mean what we called 'full-wave'
seac
 
  1  
Reply Sat 9 Sep, 2017 11:02 am
@dalehileman,
Yeah, Dale. Class A refers to an amplifier, full wave in/out. Like I said, I was just guessing what the term might have meant. Doesn't make sense in a power supply for a half wave.
0 Replies
 
centrox
 
  1  
Reply Sat 9 Sep, 2017 12:55 pm
@dalehileman,
dalehileman wrote:
Quote:
A-CT ....assume it means a class A rectifier circuit
Golly Seac, at 86 I don't keep up but 'class-A usta mean single-ended amplifier stage drawing current at no sig

Dale, you still got it, pal. Class A amplifier output stage, not rectifier.
dalehileman
 
  -1  
Reply Sat 9 Sep, 2017 01:58 pm
@centrox,
Thanks Cen, Seac. I feel relieved, acquitted, youonger
0 Replies
 
Dani101
 
  2  
Reply Mon 11 Sep, 2017 05:09 am
@centrox,
* her Smile
0 Replies
 
Dani101
 
  1  
Reply Mon 11 Sep, 2017 05:10 am
@seac,
Thank you, I have just been able to solve them, thank you for your help xx
dalehileman
 
  -1  
Reply Mon 11 Sep, 2017 11:10 am
@Dani101,
Dani, my apolos for seemin' brusk, but zac'ly what was it Seac said that was so helpful, and how

You must 'stand, at 86 with failing brain, sometimes I get lost here
0 Replies
 
 

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