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[[RF.Spice A/D]] is a powerful simulation environment for analysis and design of analog, digital, RF and mixed-mode circuits. Rather than designing and testing circuits with real physical components in a laboratory with expensive test equipment, [[RF.Spice A/D]] allows you to perform realistic and accurate simulations of your circuits without clipping wires or splashing solder. With [[RF.Spice A/D]], editing and simulating circuits is a quick, easy, even enjoyable, process.

[[RF.Spice A/D]] consists of a number of tightly integrated components:

* Symbol Editor

[[Schematic Editor]] occupies the main window, where you assemble your circuit. A circuit is made up of parts like resistors, capacitors, transistors, voltage and current sources, logic gates, transmission line segments, etc. [[RF.Spice A/D]] comes with a very large Parts Database, featuring thousands of passive and active devices including generic models and real parts supplied by major semiconductor device manufacturers. Active device models include no less than six distinct MOSFET models including BSIM3 and BSIM4, models for switches, several transmission line models, and many more.

Once your circuit is ready for simulation, [[RF.Spice A/D]] generates a Netlist input and calls its SPICE engine(s). [[RF.Spice A/D]] supports the full Berkeley SPICE 3F5 set of commands, options and models. These include a variety of simulation types such as DC and AC sweeps, transient and Fourier analyses, pole-zero and distortion analyses, network analysis, Monte Carlo and sensitivity analyses, and more. [[RF.Spice A/D]] also provides a large number of black-box blocks including all of XSPICE models such as differentiator, integrator and s-domain transfer function blocks and mutual coupling for transformer modeling. Event-driven [[Digital Simulation|digital simulation]] is fully supported as well as A/D and D/A bridge models for mixed-mode simulation. With [[RF.Spice A/D]] you can perform live simulations, where output data are generated and animated as the simulation proceeds. You can vary the circuit [[parameters]] in real time during a live simulation. You can also run a large variety of [[tests]] (DC bias, AC, transient, etc.) and visualize, manipulate and process the output data in the form of graphs or tables.

The [[RF.Spice A/D]] application installer installs two separate executable programs on your computer:

* The [[B2.Spice A/D]] [[B2.Spice A/D_Device_Editor | Device Editor]]

The Workshop is what you will frequently use to create and edit circuits, set up and run simulations, and view your simulation results. The Workshop integrates the [[Schematic Editor|schematic editor]], simulation engines and data manager. The Device Editor is used for defining or importing new parts or modifying those already in the parts bin. B2.Spice's large parts database should be sufficient for most practical circuits. However, you can customize and expand the database to meet your growing analysis and design needs. The Device Editor has an integrated Symbol Editor with an array of drawing tools, which you can use to create new device symbols or modify the existing ones.