Username EF82
Member Since June 15, 2020

EF82's Public Circuits:

Now showing circuits 1-20 of 56. Sort by

Reduced current Joule Thief

Reduced current Joule Thief PUBLIC

A lower current version of a common circuit.

by EF82 | updated 1 day, 12 hours ago

JT02

JT02 PUBLIC

Low power version of "Joule Thief"

by EF82 | updated 1 day, 12 hours ago

Current controlled potentiometer

Current controlled potentiometer PUBLIC

Experimental investigation to simulate a current controlled potentiometer slider. Two behavioural voltage sources in series.

by EF82 | updated January 02, 2021

Current Controlled Resistance

Current Controlled Resistance PUBLIC

A variable resistance that is controlled by a current in a different circuit. Uses experimental behavioral source.

by EF82 | updated January 02, 2021

Inductor astable

Inductor astable PUBLIC

Inductor based oscillator (for which I have lost the source!).

by EF82 | updated January 01, 2021

LowFrequecyOscillatorMk4

LowFrequecyOscillatorMk4 PUBLIC

Exploring the protection of electrolytic capacitors.

by EF82 | updated December 21, 2020

BlockingOscillatorLow Frequency

BlockingOscillatorLow Frequency PUBLIC

Will a blocking oscillator run with a 100mH transformer?

by EF82 | updated December 21, 2020

LowVoltageAmp

LowVoltageAmp PUBLIC

by EF82 | updated December 21, 2020

ResistorCube

ResistorCube PUBLIC

by EF82 | updated December 21, 2020

Xtal with overtones

Xtal with overtones PUBLIC

by EF82 | updated December 21, 2020

555 with two triggers

555 with two triggers PUBLIC

A monostable that fires at power on and then every half second.

by EF82 | updated December 21, 2020

Overdrive01

Overdrive01 PUBLIC

by EF82 | updated December 21, 2020

3v monostable 30sec

3v monostable 30sec PUBLIC

by EF82 | updated December 21, 2020

BlockingOscillatorAsBooster

BlockingOscillatorAsBooster PUBLIC

Exploring the use of a blocking oscillator to boost the voltage of a 1.5v single cell battery - enough to drive a 2v red LED.

by EF82 | updated December 21, 2020

JT03

JT03 PUBLIC

High inductance version

by EF82 | updated December 21, 2020

Hi-side (negative) Op Amp

Hi-side (negative) Op Amp PUBLIC

Using an Op Amp to access the voltage across a current sensing resistor, when the power supply is negative.

by EF82 | updated December 21, 2020

LED driver with buck blocking-oscillator

LED driver with buck blocking-oscillator PUBLIC

Exploring a circuit from the CL archive, to make it simulable. It was spec'd to dim a 10v 200mA LED array.

by EF82 | updated December 21, 2020

Open loop Scale Etc

Open loop Scale Etc PUBLIC

Graphing a simple equation of motion. Distance = u*t + 0.5*a*t^2

by EF82 | updated December 21, 2020

Sine and Cosine

Sine and Cosine PUBLIC

Exploring decay in oscillating circuits.

by EF82 | updated December 21, 2020

Colpitts 6Mhz

Colpitts 6Mhz PUBLIC

Trying to match a CL schematic with a real circuit build.

by EF82 | updated December 21, 2020