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| Design | Last post | Topics | Posts | 
		   
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		 RF Design Discuss issues in RF design.  | 
	
	
	  Nov 3rd, 2024, 10:47pmIn: Re: Dead Zone problem in... By: baohulu  | 
	1640 | 6411 | 
		   
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		 Analog Design Discuss issues in analog design.  | 
	
	
	  Dec 2nd, 2024, 5:35pmIn: Re: A question on STB ana... By: chang830  | 
	2795 | 12922 | 
		   
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		 Mixed-Signal Design Discuss issues in mixed-signal design.  | 
	
	
	  Feb 6th, 2025, 3:32pmIn: System verilog modeling a... By: Yashas  | 
	948 | 3880 | 
		   
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		 High-Speed I/O Design Discuss issues in high-speed I/O design.  | 
	
	
	  Jun 1st, 2023, 10:50pmIn: Hogge PD up/dn pulses are... By: neoflash  | 
	214 | 811 | 
		   
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		 High-Power Design Discuss issues in high-power, high-voltage, and high-current design.  | 
	
	
	  Oct 23rd, 2018, 5:30amIn: Help for Power supply Des... By: jjjjjjjjjjjjjjjjjjjjjjjjjjjjj  | 
	129 | 461 | 
		   
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		 Mixed-Technology Design Discuss issues in the design of MEMS and other mixed technologies.  | 
	
	
	  Feb 18th, 2018, 12:26amIn: Working with Current in W... By: evan123  | 
	14 | 47 | 
| Analog Verification | Last post | Topics | Posts | 
		   
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		 Analog Functional Verification Discuss analog, mixed-signal, and RF functional verification.  | 
	
	
	  Oct 28th, 2025, 10:34pmIn: Re: Help with 3 Key Questions... By: Ken Kundert  | 
	68 | 274 | 
		   
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		 Analog Performance Verification Discuss analog, mixed-signal, and RF performance verification.  | 
	
	
	  May 24th, 2025, 9:04amIn: Re: stability phase margi... By: qun liang  | 
	52 | 174 | 
| Measurements | Last post | Topics | Posts | 
		   
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		 RF Measurements Discuss RF measurements.  | 
	
	
	  Sep 1st, 2023, 10:14pmIn: Noise Figure Measurement of 1... By: mixed_signal  | 
	152 | 509 | 
		   
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		 Phase Noise and Jitter Measurements Discuss phase noise and jitter measurements.  | 
	
	
	  Jan 20th, 2023, 11:51amIn: Re: Discrepancy between P... By: cmosbike  | 
	397 | 1450 | 
		   
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		 Other Measurements Discuss measurements not covered in other boards.  | 
	
	
	  Feb 1st, 2024, 12:10amIn: Different result with sam... By: j828  | 
	114 | 353 | 
| Modeling | Last post | Topics | Posts | 
		   
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		 Semiconductor Devices Discuss semiconductor device modeling.  | 
	
	
	  Jun 27th, 2024, 8:48pmIn: Re: Why use macros to def... By: Ken Kundert  | 
	312 | 1255 | 
		   
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		 Passive Devices Discuss passive device modeling.  | 
	
	
	  Mar 15th, 2023, 5:47pmIn: How to reduce substrate c... By: polyam  | 
	94 | 326 | 
		   
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		 Behavioral Models Discuss behavioral modeling.  | 
	
	
	  Feb 21st, 2023, 12:18pmIn: Re: Clamping Function By: cookacounty  | 
	330 | 1210 | 
		   
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		 Transmission Lines and Other Distributed Devices Discuss modeling of high-frequency distributed devices such as transmission lines, s-parameter n-ports, etc.  | 
	
	
	  Feb 4th, 2023, 7:56pmIn: EM simulation with high r... By: vlsi_design  | 
	36 | 119 | 
| Design Languages | Last post | Topics | Posts | 
		   
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		 Verilog-AMS Discuss Verilog-AMS.  | 
	
	
	  Aug 30th, 2023, 5:57pmIn: Re: [Need help] Concatena... By: Geoffrey_Coram  | 
	1110 | 4545 | 
		   
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		 VHDL-AMS Discuss VHDL-AMS.  | 
	
	
	  Aug 8th, 2017, 1:33amIn: Re: Hamster vhdl-ams Err... By: Andrew Beckett  | 
	125 | 314 | 
| Simulators | Last post | Topics | Posts | 
		   
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		 Circuit Simulators Discuss circuit simulators and circuit simulation issues.  | 
	
	
	  Apr 7th, 2025, 10:52pmIn: RCNet in phase noise summ... By: baohulu  | 
	1935 | 7520 | 
		   
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		 RF Simulators Discuss RF simulators and RF simulation issues.  | 
	
	
	  Jul 5th, 2024, 10:48amIn: Re: How to extract s2p fi... By: Ken Kundert  | 
	935 | 3938 | 
		   
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		 AMS Simulators Discuss AMS simulators and AMS simulation issues.  | 
	
	
	  Jun 22nd, 2022, 6:52amIn: Xcelium: How to insert di... By: FelixDesigner  | 
	320 | 1215 | 
		   
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		 Timing Simulators Discuss timing simulators and timing simulation issues. Timing simulators are also known as reduced-accuracy or 'fast Spice' circuit simulators.  | 
	
	
	  Nov 13th, 2020, 11:06pmIn: Re: what are the port in... By: Maks  | 
	24 | 57 | 
		   
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		 System Simulators Discuss system simulators and system simulation issues.  | 
	
	
	  Jan 2nd, 2024, 6:24pmIn: how to design new coupler... By: EDA_chandler  | 
	60 | 189 | 
		   
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		 Logic Simulators Discuss logic simulators and logic simulation issues.  | 
	
	
	  Aug 28th, 2018, 11:14amIn: what is the usage of the... By: liletian  | 
	35 | 91 | 
| Other CAD Tools | Last post | Topics | Posts | 
		   
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		 Entry Tools Discuss entry tools and entry tool issues.  | 
	
	
	  May 31st, 2023, 4:10amIn: Virtuoso Schematic Light... By: Lala878  | 
	223 | 721 | 
		   
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		 Physical Verification, Extraction and Analysis Discuss physical verification, extraction and analysis tools and their issues.  | 
	
	
	  Jan 26th, 2024, 8:36amIn: Re: Calibre, LVS, new lay... By: ajithkv  | 
	275 | 717 | 
		   
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		 Unmet Needs in Analog CAD Propose ideas for new tools, for extensions to existing tools, and for new uses for existing tools.  | 
	
	
	  Apr 30th, 2024, 4:56amIn: Re: Nonlinearity contribu... By: Frank Wiedmann  | 
	18 | 64 | 
| General | Last post | Topics | Posts | 
		   
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		 Tech Talk Discuss technology, musings, trends, ideas, products, rumors, news, or whatever.  | 
	
	
	  Oct 14th, 2025, 1:01amIn: Moved: Help with 3 Key Questi... By: Ken Kundert  | 
	114 | 317 | 
		   
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		 News Read about the latest happenings of our site. Moderator: Forum Administrator  | 
	
	
	  Apr 15th, 2019, 8:41amIn: Re: designers-guide.org h... By: Geoffrey_Coram  | 
	30 | 78 | 
		   
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		 Comments and Suggestions Give comments and suggestions on how to improve this site, including suggestions of new discussion boards.  | 
	
	
	  Apr 4th, 2020, 11:34amIn: Re: certificate problem? By: Ken Kundert  | 
	58 | 178 | 
		   
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		 Opportunities Available employment opportunities.  | 
	
	
	  May 30th, 2023, 6:16amIn: Mixed Signal Design Verif... By: Diamond1974  | 
	124 | 166 | 
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