Design Tools
LTSpice - free circuit simulation tool. This can be used for integrated circuit design and system simulation using behavioral models.
Download here.
Wiki help for LTSpice: http://ltwiki.org
Examples of LTSpice files (right click to save and execute with LTSpice)
- PLL simulation
- PLL simulation in time Here is the counter
- FSK simulation
- Ring Oscillator
- LC VCO with "spot" noise
- White noise in time domain
- Ring oscillator with noise
KLAYOUT - Free layout tool with GDS smart viewer
PLL Design tool from Analog Devices - ADISIm
More tools
- Winspice
- vlsitechnology
- Alliance
- LASI -free layout software
- Ecircuit center
- The Designer's Guide
- VBIC -vertical bipolar intercompany model
- BSIM
- RF Cafe
