how to this build this circuit which uses oscillator and amplifier

[PG1995]

Hi

It would really kind of you if you could help me to build the circuit which does what has been explained in the linked diagram below. I'm new this stuff. Have never used oscillator or an amplifier. If you want to change some parameter to make the circuit simple, then you can. Thank you.

the diagram: https://img89.imageshack.us/img89/3427/invercrkt.jpg

Best wishes
PG

PS: I just made that block diagram up. You could any other frequency instead of 5 Hz. Thank.

 

[hansbe]

An inverter is not an oscillator per se. Oscillators can be made from inverters or other devices with amplification.
An amplifier can reduce the voltage and current if you wish, but that can also be done with (cheaper) passive components. If the product of voltage and current increases you have power amplification.

 

[LvW]

PG1995,

Try a google search for sinusoidal oscillators and you will find 10...20 different circuits.

 

[PG1995]

Thank you, hansbe, LvW.

I was simply playing around when I drew that block diagram. Truth be told once again (although I have already told it in first post above) that I have never used an amplifier or an oscillator. You can change some parameters such as frequency, you can change amplification gain to any other number (the gain used by me is "2"). If someone of you have MultiSim, then can you build that circuit up so that I can understand its working by asking follow-on question? Thank you.

Best wishes
PG

 

[jony130]

Here you have a circuit diagram in Multisim.
And I think that your assumptions about the circuit are quite strange and abstracted from the real world situation.

 

[LvW]

......
I was simply playing around when I drew that block diagram.

Please, can you tell me what "block diagram" you are referring to?
(The hand drawing in your 1st posting? It says nothing and shows rectified sinus waves)

 

[PG1995]

Here you have a circuit diagram in Multisim.
And I think that your assumptions about the circuit are quite strange and abstracted from the real world situation.

Thank you very much, Jony. It was very nice of you. I knew you would help me with Multisim if you had time.

There were four files: amplifier, Full_Wave_Rectifier, test1, wien_bridge_oscillator. I think the file "test1" is a complete circuit, is it? Perhaps, you have included other files to show what those things such as 'wien bridge' looks like.

I think tomorrow I will ask questions how that circuit was made and how does it work. It is a little fearful circuit I have to say!:sad:

Please, can you tell me what "block diagram" you are referring to?
(The hand drawing in your 1st posting? It says nothing and shows rectified sinus waves)

Hi LvW

Yes, it is the hand diagram in my first posting. Perhaps, "block diagram" is a not a right word to choose here.

Best wishes
PG

 

[LvW]

It is a pitty that the circuits you are speaking of are given as *.rar or *.ms10 files only.
perhaps - in your own interest - it would be helpful to convert it to *.pdf.

LvW

 

[PG1995]

Here you have a circuit diagram in Multisim.
And I think that your assumptions about the circuit are quite strange and abstracted from the real world situation.

Hi

The quoted post contained the Multisim 10 files in RAR archive. Given below are the screenshots of those MS circuits along with their titles used by Jony. I suspect the circuit "test1" is the one which does what I explained in my first post. Please let me know if I'm correct.

Is this possible for you to divide the circuit into functional blocks - i.e. which section of the circuit amplifies the signal and which section converts the DC signal into AC etc.? For a beginner like me understanding the circuit this way would be more intuitive and understandable than figuring out the workings of closely interconnected jumble of different components. Please help me with.

amplifier: https://img191.imageshack.us/img191/1537/amplifiere.jpg
full wave rectifier: **broken link removed**
test1: https://img204.imageshack.us/img204/7948/test1fk.jpg
wien bridge oscillator: https://img14.imageshack.us/img14/6677/wienbridgeoscillatorz.jpg

 

[jony130]

The quoted post contained the Multisim 10 files in RAR archive. Given below are the screenshots of those MS circuits along with their titles used by Jony. I suspect the circuit "test1" is the one which does what I explained in my first post. Please let me know if I'm correct.

Yes, you are right.

Is this possible for you to divide the circuit into functional blocks - i.e. which section of the circuit amplifies the signal and which section converts the DC signal into AC etc.? For a beginner like me understanding the circuit this way would be more intuitive and understandable than figuring out the workings of closely interconnected jumble of different components. Please help me with.
amplifier: https://img191.imageshack.us/img191/1537/amplifiere.jpg
full wave rectifier: **broken link removed**
test1: https://img204.imageshack.us/img204/7948/test1fk.jpg
wien bridge oscillator: https://img14.imageshack.us/img14/6677/wienbridgeoscillatorz.jpg

I already divide the hole circuit "test1" into the functional blocks.
And you ask to show you "which section converts the DC signal into AC etc"
This job is done by the amplifier himself.
The amplifier is a device that "converts the DC signal into AC".
Simply amplifier is a device that allow as control the flow of "high power energy" (delivered from the DC power source) with help of a low power (energy).
To the Amplifier effect occurred, two things are necessary: source of energy and a device for controlling the flow of this energy - > the amplifier

The amplifier in this diagram is this triangular shape symbol
https://img191.imageshack.us/img191/1537/amplifiere.jpg
And this is a basic symbol for an op amp.
The op amp has the inverting and noninverting inputs labeled (-) and (+)/ respectively, and has a single output.
Although it certainly must have power supply connections, they are not generally included on schematic diagrams.
How op amp work I described here
operational amplifier and measuring voltage drop - All About Circuits Forum