y2s
Convert Y-parameters to S-parameters
Description
Examples
Convert Y-Parameters to S-Parameters
Define a matrix of Y-parameters.
Y11 = 0.0488133074245012 - 0.390764155450191i; Y12 = -0.0488588365420561 + 0.390719345880018i; Y21 = -0.0487261119282660 + 0.390851884427087i; Y22 = 0.0487710062903760 - 0.390800401433241i; y_params = [Y11,Y12; Y21,Y22];
Convert Y-parameters to S-parameters.
s_params = y2s(y_params)
s_params = 2×2 complex
0.0038 + 0.0248i 0.9961 - 0.0250i
0.9964 - 0.0254i 0.0037 + 0.0249i
Input Arguments
y_params
— N-port Y-Parameters
N-by-N-by-M array
N-port Y-Parameters, specified as an N-by-N-by-M array, where M represents the number of frequency points of N-port Y-parameters.
z0
— Reference impedance
50
(default) | positive real scalar | positive real vector
Reference impedance in ohms, specified as one of the following:
Positive real scalar when you want to specify the same the reference impedance for all ports in the network.
Positive real vector of length N when you want to specify a different reference impedance for each port in the N-port network. (since R2023a)
Positive real vector of length K when you want to specify a different reference impedance for each in the K frequencies in the data. (since R2023a)
If the reference impedance is a vector and the number of ports N
equals the number of data frequencies K, N ==
K, then the sparameters
object will assign each
element of the vector to each port of the network. To specify reference impedances for
each frequency in this case, specify Z0
as a 3-D vector of length
1-by-1-by-K .
Output Arguments
s_params
— N-port- S-Parameters
complex N-by-N
M array
N-port- S-parameters, returned as a complex N-by-N M array, where M represents the number of frequency points of N-port S-parameters.
Version History
Introduced before R2006aR2023a: Specify multiple reference impedance values
Specify a different reference impedance for each port in the network by setting the
z0
argument to a vector.
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