Subcircuit symbol contains overlay of "schematic" and symbol about qucs_s HOT 5 CLOSED

@tomhajjar , I have just tried to recreate the device from scratch using SPICE file and I cannot reproduce the problem. Everything works as expected. I have also inspected my projects containing subcircuits made from SPICE file. Everything works as expected too. I suspect the schematic file became broken by unknown reason. I sucpect this may be related to the recent schematic class refactoring.

Also please keep in mind that Qucs-S contains BF998 model since v0.0.23 release. You don't need to recreate it. I don't consider the update of this library. Other dual gate MOSFETs like BF961 could be added, but I didn't find the SPICE models for them.

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@tomhajjar You have incorrect port number Num property. Set the number here instead of G2 to fix the issue. This property must be set only to integer numbers. Otherwise you will get the broken schematic. Unfortunately there is no possibility to add a validator for this property. I don't recommend changing automatically assigned port numbers. But port names could be changed.

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Thanks for the catch. I was porting an LTspice project by Gunthard Kraus over to Qucs-S and forgot BF998 was native. I also wanted to add a dual-gate device to schematic_symbols.sch.

The LTspice example deletes the C=/L= entries in BF998.cir. ngspice doesn't say in the manual this format is acceptable but it must be since I confirmed the S-parameters are the same for the library model and the subcircuit I made.

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Here is Bordodynov's dual gate mosfet library.

Dual-gate MOSFET.zip

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I found the s-parameters for the BF998 and they compare favorably with the Spice model. I will update the project as it expands.

BF998_MOSFET_prj.zip

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