mrobbins's Profile


Username	mrobbins
Name	Mike Robbins
E-mail
Member Since	September 23, 2011

mrobbins's Public Circuits:

Now showing circuits 41-60 of 102. Sort by

	RF Matching Network Parameters Example PUBLIC CircuitLab's Parameters feature is used to calculate a narrowband impedance L-match to match a higher-impedance signal source to a 50 ohm RF load at 2.45GHz. by mrobbins \| updated October 01, 2013 frequency-domain rf
	2.5V 250mA simple switching supply with defined gate drive PUBLIC An edge-defined gate drive signal is produced by a CSV voltage source, and modulated to form a power supply feedback loop. by mrobbins \| updated September 30, 2013 power-supply pwm switching
	Multilevel inverter signal and filtering effect PUBLIC A multilevel inverter signal, a sinusoidal-like source composed of piecewise step voltage segments, is defined using the new CSV voltage source. Simple filtering of the multi-level steps is examined... by mrobbins \| updated September 30, 2013 filter multilevel
	Translinear SQRT PNP PUBLIC Translinear analog square root circuit. V(OUT) = SQRT( V(IN) ) / 10 by mrobbins \| updated August 07, 2013 bjt signal translinear
	AC-power your circuit without a transformer PUBLIC Low-power transformer-less AC-to-DC converter. by mrobbins \| updated July 29, 2013 power-supply
	Voltage-to-Current converter offers precisely defined dead-band PUBLIC Intentional dead-band nonlinearity in an analog voltage-to-current converter. by mrobbins \| updated July 29, 2013
	Behavioral Source - Exponential Envelope Decay PUBLIC Sinusoidal source modulated with exponentially-decaying envelope. by mrobbins \| updated July 28, 2013
	Back-to-back Diodes (1sec transient) PUBLIC Proper simulator convergence in back-to-back 1N4148 diode transient simulation. (with longer time duration transient simulation) by mrobbins \| updated July 25, 2013
	Back-to-back Diodes PUBLIC Proper simulator convergence in back-to-back 1N4148 diode transient simulation. by mrobbins \| updated July 16, 2013 diode
	Robox's Multi-AC source - Loop gain / return ratio PUBLIC CircuitLab can calculate "return ratio" or "loop gain" to show when a dependent source can create an unstable system. by mrobbins \| updated December 20, 2012 feedback
	Robox's Multi-AC Source Question PUBLIC CircuitLab supports multiple AC input sources for frequency domain analysis. by mrobbins \| updated December 20, 2012 feedback
	Physics: Car Suspension pt. 1 (Spring, Mass, Damper) PUBLIC A model of a simple spring-mass-damper system with a driven wall. Time domain and frequency domain simulations included. by mrobbins \| updated September 10, 2012 laplace mechanical
	Precision Active Peak Detector PUBLIC An op-amp plus diode form a "precision" active peak detector, where the op-amp eliminates the diode drop that would otherwise occur with a passive peak detector. by mrobbins \| updated August 03, 2012 active-filter diode op-amp signal
	P-MOSFET Buck Converter (Switching Power Supply) PUBLIC A simple buck converter model that simulates. by mrobbins \| updated August 02, 2012 power-supply switching
	Exclusive OR (XOR) Equivalent Circuit PUBLIC XOR gate depicted in sum-of-products representation (composed from OR, AND, NOT gates). by mrobbins \| updated July 23, 2012 digital
	Op-amp low-pass/high-pass analysis PUBLIC Understanding op-amp filters with poles and zeros. by mrobbins \| updated July 13, 2012 active-filter op-amp
	Current source proportional to time PUBLIC A current source can source a current proportional to the current simulation time in transient analysis mode. by mrobbins \| updated July 12, 2012 behavioral
	Piecewise-linear Diode (Behavioral Sources) PUBLIC A behavioral current source can be used to model an "ideal" piecewise-linear diode, conducting in one direction but not the other. by mrobbins \| updated July 12, 2012 behavioral device-modeling diode
	2N3906 Switching Performance PUBLIC Switching (saturation turn-on/turn-off) times for 2N3906 PNP BJT. by mrobbins \| updated July 02, 2012 bjt
	Three stage RC inverter ring oscillator PUBLIC Three inverter stages in a ring, with RC for delay, create an oscillator. by mrobbins \| updated June 22, 2012 oscillator time-constant

	RF Matching Network Parameters Example PUBLIC CircuitLab's Parameters feature is used to calculate a narrowband impedance L-match to match a higher-impedance signal source to a 50 ohm RF load at 2.45GHz. by mrobbins \| updated October 01, 2013 frequency-domain rf
	2.5V 250mA simple switching supply with defined gate drive PUBLIC An edge-defined gate drive signal is produced by a CSV voltage source, and modulated to form a power supply feedback loop. by mrobbins \| updated September 30, 2013 power-supply pwm switching
	Multilevel inverter signal and filtering effect PUBLIC A multilevel inverter signal, a sinusoidal-like source composed of piecewise step voltage segments, is defined using the new CSV voltage source. Simple filtering of the multi-level steps is examined... by mrobbins \| updated September 30, 2013 filter multilevel
	Translinear SQRT PNP PUBLIC Translinear analog square root circuit. V(OUT) = SQRT( V(IN) ) / 10 by mrobbins \| updated August 07, 2013 bjt signal translinear
	AC-power your circuit without a transformer PUBLIC Low-power transformer-less AC-to-DC converter. by mrobbins \| updated July 29, 2013 power-supply
	Voltage-to-Current converter offers precisely defined dead-band PUBLIC Intentional dead-band nonlinearity in an analog voltage-to-current converter. by mrobbins \| updated July 29, 2013
	Behavioral Source - Exponential Envelope Decay PUBLIC Sinusoidal source modulated with exponentially-decaying envelope. by mrobbins \| updated July 28, 2013
	Back-to-back Diodes (1sec transient) PUBLIC Proper simulator convergence in back-to-back 1N4148 diode transient simulation. (with longer time duration transient simulation) by mrobbins \| updated July 25, 2013
	Back-to-back Diodes PUBLIC Proper simulator convergence in back-to-back 1N4148 diode transient simulation. by mrobbins \| updated July 16, 2013 diode
	Robox's Multi-AC source - Loop gain / return ratio PUBLIC CircuitLab can calculate "return ratio" or "loop gain" to show when a dependent source can create an unstable system. by mrobbins \| updated December 20, 2012 feedback
	Robox's Multi-AC Source Question PUBLIC CircuitLab supports multiple AC input sources for frequency domain analysis. by mrobbins \| updated December 20, 2012 feedback
	Physics: Car Suspension pt. 1 (Spring, Mass, Damper) PUBLIC A model of a simple spring-mass-damper system with a driven wall. Time domain and frequency domain simulations included. by mrobbins \| updated September 10, 2012 laplace mechanical
	Precision Active Peak Detector PUBLIC An op-amp plus diode form a "precision" active peak detector, where the op-amp eliminates the diode drop that would otherwise occur with a passive peak detector. by mrobbins \| updated August 03, 2012 active-filter diode op-amp signal
	P-MOSFET Buck Converter (Switching Power Supply) PUBLIC A simple buck converter model that simulates. by mrobbins \| updated August 02, 2012 power-supply switching
	Exclusive OR (XOR) Equivalent Circuit PUBLIC XOR gate depicted in sum-of-products representation (composed from OR, AND, NOT gates). by mrobbins \| updated July 23, 2012 digital
	Op-amp low-pass/high-pass analysis PUBLIC Understanding op-amp filters with poles and zeros. by mrobbins \| updated July 13, 2012 active-filter op-amp
	Current source proportional to time PUBLIC A current source can source a current proportional to the current simulation time in transient analysis mode. by mrobbins \| updated July 12, 2012 behavioral
	Piecewise-linear Diode (Behavioral Sources) PUBLIC A behavioral current source can be used to model an "ideal" piecewise-linear diode, conducting in one direction but not the other. by mrobbins \| updated July 12, 2012 behavioral device-modeling diode
	2N3906 Switching Performance PUBLIC Switching (saturation turn-on/turn-off) times for 2N3906 PNP BJT. by mrobbins \| updated July 02, 2012 bjt
	Three stage RC inverter ring oscillator PUBLIC Three inverter stages in a ring, with RC for delay, create an oscillator. by mrobbins \| updated June 22, 2012 oscillator time-constant

mrobbins's Public Circuits:

RF Matching Network Parameters Example PUBLIC

2.5V 250mA simple switching supply with defined gate drive PUBLIC

Multilevel inverter signal and filtering effect PUBLIC

Translinear SQRT PNP PUBLIC

AC-power your circuit without a transformer PUBLIC

Voltage-to-Current converter offers precisely defined dead-band PUBLIC

Behavioral Source - Exponential Envelope Decay PUBLIC

Back-to-back Diodes (1sec transient) PUBLIC

Back-to-back Diodes PUBLIC

Robox's Multi-AC source - Loop gain / return ratio PUBLIC

Robox's Multi-AC Source Question PUBLIC

Physics: Car Suspension pt. 1 (Spring, Mass, Damper) PUBLIC

Precision Active Peak Detector PUBLIC

P-MOSFET Buck Converter (Switching Power Supply) PUBLIC

Exclusive OR (XOR) Equivalent Circuit PUBLIC

Op-amp low-pass/high-pass analysis PUBLIC

Current source proportional to time PUBLIC

Piecewise-linear Diode (Behavioral Sources) PUBLIC

2N3906 Switching Performance PUBLIC

Three stage RC inverter ring oscillator PUBLIC