Droid Tesla

Droid Tesla


DroidTesla is a simple and powerful SPICE engine.
SPICE is an acronym for Simulation Program with Integrated Circuit Emphasis
and was inspired by the need to accurately model devices used in integrated circuit design.

DroidTesla simulator solves basic resistive circuits using Kirchoff’s Current Law (KCL)
in much the same way a student in a circuits class would,the simulator systematically forms a matrix in accordance
with KCL and then proceeds to solve for the unknown quantities using various algebraic
techniques such as Gaussian elimination and sparse matrix techniques.

For non-linear components, such as the diode and BJT ,DroidTesla engine searching for the approximate solution by making an initial guess at an answer
and then improving the solution with successive calculations built upon this guess.
This is called an iterative process.DroidTesla simulation uses the Newton-Raphson iterative algorithm
to solve circuits with non-linear I/V relationships.

For reactive elements(capacitors and inductors),the DroidTesla uses numeric integration methods to approximate the state of the reactive elements as a function of time.
DroidTesla offers the Trapezoidal(I'll add a GEAR method later) integration methods to approximate the state of the reactive elements.
Although for most circuits, both methods will provide almost identical results,
it is generally regarded that the Gear method is more stable, but trapezoidal method is faster and more accurate.

DroidTesla for now can simulate:
-Resistor
-Capacitor
-Inductor
-Potentiometer (available only in pro version)
-Light Bulb (available only in pro version)
-Ideal operational amplifier
-Bipolar junction transistor (NPN PNP)
-MOSFET N-channel depletion
-MOSFET N-channel enhancement
-MOSFET P-channel depletion
-MOSFET P-channel enhancement
-JFET N and P (available only in pro version)
-PN Diode
-PN Led diode
-PN Zener diode
-AC current source
-DC current source
-AC voltage source
-DC voltage(battery) source
-CCVS - current controlled voltage source
-CCCS - current controlled current source
-VCVS - voltage controlled voltage source
-VCCS - voltage controlled current source
-Square wave voltage source (available only in pro version)
-Triangle wave voltage source (available only in pro version)
-AC ampermeter
-DC ampermeter
-AC voltmeter
-DC voltmeter
-Two channe oscilloscope (available only in pro version)
-SPST Switch (available only in pro version)
-SPDT Switch (available only in pro version)
-Voltage controlled switch (available only in pro version)
-Current controlled switch (available only in pro version)
-AND (available only in pro version)
-NAND (available only in pro version)
-OR (available only in pro version)
-NOR (available only in pro version)
-NOT (available only in pro version)
-XOR (available only in pro version)
-XNOR (available only in pro version)
-JK flip-flop (available only in pro version)
-7 Segment Display (available only in pro version)
-IC 555 (available only in pro version)
-Transformer (available only in pro version)
-Graetz Circuit(available only in pro version)

If you are making an
oscillators you have to put a small initial value on some of the
reactive elements.(see the examples)

Recent changes:
June 22,2013 Version 4.06
-UI improvements
-Bug fixes
May 3,2013 Version 4.04
-To move element , you must first tap on it.
-It is allowed to select more than one element and then to move them on the screen.
-Element label can be renamed
-Double tap to open a element properties
-Bug fixes
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Free
82
4.1
User ratings
1470
Installs
100,000+
Concerns
1
File size
4220 kb
Screenshots
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About Droid Tesla
DroidTesla is a simple and powerful SPICE engine.
SPICE is an acronym for Simulation Program with Integrated Circuit Emphasis
and was inspired by the need to accurately model devices used in integrated circuit design.

DroidTesla simulator solves basic resistive circuits using Kirchoff’s Current Law (KCL)
in much the same way a student in a circuits class would,the simulator systematically forms a matrix in accordance
with KCL and then proceeds to solve for the unknown quantities using various algebraic
techniques such as Gaussian elimination and sparse matrix techniques.

For non-linear components, such as the diode and BJT ,DroidTesla engine searching for the approximate solution by making an initial guess at an answer
and then improving the solution with successive calculations built upon this guess.
This is called an iterative process.DroidTesla simulation uses the Newton-Raphson iterative algorithm
to solve circuits with non-linear I/V relationships.

For reactive elements(capacitors and inductors),the DroidTesla uses numeric integration methods to approximate the state of the reactive elements as a function of time.
DroidTesla offers the Trapezoidal(I'll add a GEAR method later) integration methods to approximate the state of the reactive elements.
Although for most circuits, both methods will provide almost identical results,
it is generally regarded that the Gear method is more stable, but trapezoidal method is faster and more accurate.

DroidTesla for now can simulate:
-Resistor
-Capacitor
-Inductor
-Potentiometer (available only in pro version)
-Light Bulb (available only in pro version)
-Ideal operational amplifier
-Bipolar junction transistor (NPN PNP)
-MOSFET N-channel depletion
-MOSFET N-channel enhancement
-MOSFET P-channel depletion
-MOSFET P-channel enhancement
-JFET N and P (available only in pro version)
-PN Diode
-PN Led diode
-PN Zener diode
-AC current source
-DC current source
-AC voltage source
-DC voltage(battery) source
-CCVS - current controlled voltage source
-CCCS - current controlled current source
-VCVS - voltage controlled voltage source
-VCCS - voltage controlled current source
-Square wave voltage source (available only in pro version)
-Triangle wave voltage source (available only in pro version)
-AC ampermeter
-DC ampermeter
-AC voltmeter
-DC voltmeter
-Two channe oscilloscope (available only in pro version)
-SPST Switch (available only in pro version)
-SPDT Switch (available only in pro version)
-Voltage controlled switch (available only in pro version)
-Current controlled switch (available only in pro version)
-AND (available only in pro version)
-NAND (available only in pro version)
-OR (available only in pro version)
-NOR (available only in pro version)
-NOT (available only in pro version)
-XOR (available only in pro version)
-XNOR (available only in pro version)
-JK flip-flop (available only in pro version)
-7 Segment Display (available only in pro version)
-IC 555 (available only in pro version)
-Transformer (available only in pro version)
-Graetz Circuit(available only in pro version)

If you are making an
oscillators you have to put a small initial value on some of the
reactive elements.(see the examples)

Recent changes:
June 22,2013 Version 4.06
-UI improvements
-Bug fixes
May 3,2013 Version 4.04
-To move element , you must first tap on it.
-It is allowed to select more than one element and then to move them on the screen.
-Element label can be renamed
-Double tap to open a element properties
-Bug fixes

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User reviews of Droid Tesla
Absolutely incredible for a free program. Can't wait for the update with the diodes and transistors.
Jan 20, 2011
Nice app, works well. Keep developing the user interface and it will be great.
Nov 19, 2010
Android Market Comments
A Google User
Sep 24, 2014
Awesome Works great
A Google User
Sep 13, 2014
This is killer
A Google User
Sep 12, 2014
Very cool Cool
A Google User
Sep 9, 2014
I always do this
A Google User
Sep 6, 2014
Almost useless "Every Circuit" is a much better circuit simulator. This app is crap!