Supports the creation of capacitors and inductors with Q factor.

[Asachoo]

Supports the creation of capacitive and inductive devices with Q factors.
The s-parameters of the created device are consistent with the results of the default parameters of INDQ and CAPQ created by ADS, that is, the Q-factor proportional to frequency (f) of the inductor and the Q-factor of the capacitor are constant.

https://edadocs.software.keysight.com/display/genesys2010/CAPQ
https://edadocs.software.keysight.com/display/genesys2010/INDQ

[jhillairet]

Thank you for this proposal @Asachoo . I have a coupled of remarks and questions, please have a look.

[Asachoo]

In the commit 17b902f, the network created by the inductor_q method is consistent with the network created by ADS using the default "Proportional to freq" mode.

>>> import skrf as rf
>>> import numpy as np
>>> std_ntwk = rf.Network('L1Q30F20.s2p')
>>> line = rf.media.DefinedGammaZ0(std_ntwk.frequency)
>>> tst_ntwk = line.inductor_q(L=1e-9, q_factor=30, f_0=2.0e9)
>>> np.allclose(std_ntwk.s, tst_ntwk.s)
True

L1Q30F20.zip

[jhillairet]

In the commit 17b902f, the network created by the inductor_q method is consistent with the network created by ADS using the default "Proportional to freq" mode.

OK, great. The use of the ref frequency is consistent between both methods, seems more logical.

Could you add some dedicated tests for both methods ? (adding and checking agasint your reference S-param from ADS like you did)

[Asachoo]

In the commit 17b902f, the network created by the inductor_q method is consistent with the network created by ADS using the default "Proportional to freq" mode.

OK, great. The use of the ref frequency is consistent between both methods, seems more logical.

Could you add some dedicated tests for both methods ? (adding and checking agasint your reference S-param from ADS like you did)

Related test items have been added.

[jhillairet]

OK with me, thank you @Asachoo. Let's wait a bit if other have comments.

[jhillairet]

Thank you @Asachoo