signality's Profile

phase splitter 04 PUBLIC

by signality | updated May 12, 2013

phase-splitter  

phase splitter 05 PUBLIC

by signality | updated May 12, 2013

phase-splitter  

photodiode receiver 01 PUBLIC

A very simple model of a photodiode receiver using an opamp as a transimpedance amplifier. Simulate > DC Sweep > Run DC Sweep

by signality | updated December 17, 2012

optical-receiver   transimpedance-amplifier  

Piecewise-linear Diode (Behavioral Sources) 02 PUBLIC

Same as @mrobbins Piecewise-linear Diode (Behavioral Sources) but with a hard forward current limit

by signality | updated July 03, 2013

behavioral   behavioural   current-limit   device-modeling   device-modelling   diode   ideal-diode  

Plotting resistance 01 PUBLIC

Some ways to measure and plot resistances in a schematic. Simulate > DC > Run DC Solver and Simulate > Time Domain > Run Time-Domain Simulation

by signality | updated June 02, 2015

measure-resistance   ohmmeter  

PMOSFET as ideal diode doesn't rectify correctly PUBLIC

by signality | updated May 09, 2012

power in circuit 01 PUBLIC

Currents, power and energy around a simple LR circuit.

by signality | updated October 24, 2012

energy   imaginary-power   inductor   power   power-dissipation   power-loss   real-power  

Precision Active Peak Detector 02 PUBLIC

2x gain with anti-saturation diode, D2, to stop opamp o/p hitting -ve rail. Allows operation to higher frequencies. Note that for unity gain R1 can be removed but R2 must be > 0 otherwise peak...

by signality | updated May 19, 2012

diode   fast-peak-detector   peak-detector   precision-peak-detector  

Precision active peak detector 03 PUBLIC

A precision active peak detector with an output that generates a positive going pulse during the time that the peak holding capacitor is charged.

by signality | updated May 19, 2012

diode   peak-detector   precision-peak-detector  

Precision active peak detector 04 PUBLIC

A precision inverting active peak detector with an output that generates a positive going pulse during the time that the peak holding capacitor is charged.

by signality | updated May 19, 2012

diode   peak-detector   precision-peak-detector  

Precision current monitor PUBLIC

A precision high side current monitor. Converts a current to ground into a ground referred positive voltage output.

by signality | updated March 19, 2012

current-mirror   current-monitor   current-sense   high-side  

Precision current monitor 02 PUBLIC

A precision high side current monitor. Converts a current to ground into a ground referred positive voltage output. Showing DC linearity and transient response.

by signality | updated March 20, 2012

current-mirror   current-monitor   current-sense   high-side   precision-current-source  

Precision full wave rectifier 01 PUBLIC

One of many possible precision fullwave rectifiers using opamps. This one requires a low impedance signal source and a high impedance load to operate correctly.

by signality | updated January 02, 2013

active-rectifier   diode   full-wave-rectifier   precision-rectifier  

Precision half wave rectifier 01 PUBLIC

A precision half wave rectifier using an opamp. Simulate > Time Domain > Run Time-Domain Simulation

by signality | updated May 24, 2012

active-rectifier   diode   half-wave-rectifier   precision-rectifier  

Problem with Simulation 02 PUBLIC

Replaced CL opamp model with very simple behavioural rail to rail output opamp model and all works as expected. Looks like CL opamp model is a bit strange!

by signality | updated May 11, 2012

Programmable current sink 01 PUBLIC

A programmable current sink with an exponential rise/fall time. WHEN FIRST POSTED, THIS USED TO SIMULATE. IT NOW DOES NOT!

by signality | updated February 24, 2013

constant-current   current-sink   current-source  

pushbutton operated 4 state dual SPST switches 01 PUBLIC

by signality | updated March 05, 2013

4-state-spst-switch   divide-by-4   pushbutton  

PUT model PUBLIC

A model for a Programmable Unijunction Transistor (PUT). See description below.

by signality | updated February 16, 2015

2n6027   put   ujt   unijunction  

PV 01 PUBLIC

A single PV cell with an ideal ammeter plotting output vs. Rs.

by signality | updated October 29, 2013

pv   solar-cell  

PWL type source can be used as part of expression 01 PUBLIC

This circuit demonstrates that PWL(), PWREPEAT(), PWS() and PWSREPEAT() source expressions can be used in a behavioural source as part of a longer expression. In this example, the output of the V1...

by signality | updated October 01, 2012

behavioural-source   pwl   pwlrepeat   pws   pwsrepeat