The timestamps for the different topics covered in the video: 0:22 Y- Parameters of the Two-Port Network 5:26 The equivalent circuit of the two-port network in terms of the Y-parameters 6:54 Condition for Reciprocity for Y- Parameters 9:41 Condition for Symmetry for Y- Parameters
In two-port network terminology, I1 and I2 are the incoming port currents. While here I1' and I2' are short circuit currents, which are flowing through the short circuit at the particular port. (Its the response due to the excitation, which is flowing away through the short circuit). I hope it will clear your doubt.
In Y parameters, to find Y11,Y12, Y21 and Y22, we are setting V1 and V2 to 0 (Please see the equations of Y parameters). Which is effectively shorting the port 1 or 2. In case of Z parameters, to find Z11, Z12, Z21 and Z22, we are setting either I1 or I2 to 0. which is effectively open circuiting the any one of the ports. I hope, it will clear your doubt.
Condition of symmetry at Y parameter Is (RATIO OF CURRENT TO THE VOLTAGE THAT IS I1/V1 =I2/V2 THAT IS Y11=Y22 ) But here it is V1/i1 and v2/i2 , is it right !
The network is said to be symmetrical, when the impedance measured at one port (keeping the second port open) is same as the impedance measured at the second port (keeping the first port open). Mathematically, it is V1/ I1 (when I2 = 0) is equal to V2 / I2 (when I1 = 0). In case of Y- parameter, the condition for symmetry is Y11 = Y22 (as proved in the video). I hope, it will clear your doubt.
@@ALLABOUTELECTRONICS Thank you, I will stick with your channel for a while , because it contains some interesting topic By the way Can you also recommend a textbook for Electronics
If you go through the two port network playlist on the channel, I have covered some of the examples. But yes I will definitely cover more. The examples are usually covered on the second channel. It will be uploaded there.
![HIWWHEE | OHM [Official MV]](http://i.ytimg.com/vi/OJJLtTLqLag/mqdefault.jpg)
The timestamps for the different topics covered in the video:
0:22 Y- Parameters of the Two-Port Network
5:26 The equivalent circuit of the two-port network in terms of the Y-parameters
6:54 Condition for Reciprocity for Y- Parameters
9:41 Condition for Symmetry for Y- Parameters
This is best channel I felt fr ec branch I didn't understand anything in clg I understood everything fr ur videos thanks a lot .....team..!
SO HELPFUL SIR
sir plz do videos on pll and vco😊
Just wait for the couple of videos. Once I finish h-parameter and ABCD parameters, I will definitely make videos on that.
tq so much sir I'm preparing for ecet your videos are very helpfull to understand the concept👌👏
Very nice sir
Thank you sir!It helps me a lot
well explained!
Very good 👍
And in the definition of SYMMETRY OF Y-PARAMETER IS SHORT CIRCUIT
but here in definition its open circuit
Sir which is correct !
Sir, why did you take I1' and I2' directions in the opposite direction of original I1 and I2 ??
In two-port network terminology, I1 and I2 are the incoming port currents.
While here I1' and I2' are short circuit currents, which are flowing through the short circuit at the particular port. (Its the response due to the excitation, which is flowing away through the short circuit).
I hope it will clear your doubt.
@@ALLABOUTELECTRONICS oohkay...Got it..Thanks sir..😃✌️
why we short circuit in y,z parameters but open circuit in z parameter
In Y parameters, to find Y11,Y12, Y21 and Y22, we are setting V1 and V2 to 0 (Please see the equations of Y parameters). Which is effectively shorting the port 1 or 2.
In case of Z parameters, to find Z11, Z12, Z21 and Z22, we are setting either I1 or I2 to 0. which is effectively open circuiting the any one of the ports.
I hope, it will clear your doubt.
Condition of symmetry at Y parameter Is (RATIO OF CURRENT TO THE VOLTAGE THAT IS I1/V1 =I2/V2 THAT IS Y11=Y22 ) But here it is V1/i1 and v2/i2 , is it right !
The network is said to be symmetrical, when the impedance measured at one port (keeping the second port open) is same as the impedance measured at the second port (keeping the first port open).
Mathematically, it is V1/ I1 (when I2 = 0) is equal to V2 / I2 (when I1 = 0).
In case of Y- parameter, the condition for symmetry is Y11 = Y22 (as proved in the video).
I hope, it will clear your doubt.
Can you recommend a textbook ?
You can refer this book:
Fundamentals of Electric Circuits
by Charles K. Alexander and Matthew N. O. Sadiku
@@ALLABOUTELECTRONICS Thank you, I will stick with your channel for a while , because it contains some interesting topic
By the way Can you also recommend a textbook for Electronics
Can you please upload examples on Y, H and ABCD parameters? It would be very helpful.
If you go through the two port network playlist on the channel, I have covered some of the examples. But yes I will definitely cover more. The examples are usually covered on the second channel. It will be uploaded there.