Now showing circuits 61-66 of 66. Sort by

555 motor controller

555 motor controller PUBLIC

555 oscillator easy motor control. not so stable. very effective.

by danielfiction | updated March 02, 2012

555   555-motor-controller   astable   bjt   cheap   dfiction   econo   flyback-diode   motor   pwm  

Copy of danielfiction's 555 motor controller ($0.50!)

Copy of danielfiction's 555 motor controller ($0.50!) PUBLIC

Build a PWM motor controller for $0.50! Based on danielfiction's circuit (link inside).

by mrobbins | updated March 01, 2012

555   bjt   motor   pwm  

BJT difference amp

BJT difference amp PUBLIC

by mrobbins | updated February 04, 2012

amplifier   bjt  

BJT saturation characteristic tester

BJT saturation characteristic tester PUBLIC

by mrobbins | updated November 13, 2011

bjt   saturation  

BJT f_T measurement

BJT f_T measurement PUBLIC

by mrobbins | updated November 11, 2011

bjt   frequency-domain   high-speed   rf  

Cascode current mirror -- actively loaded differential pair amp

Cascode current mirror -- actively loaded differential pair amp PUBLIC

Q1 and Q2 are the main amplification. The four PNP BJTs provide a cascoded current mirror for super high gain active load.

by mrobbins | updated November 01, 2011

amplifier   bjt   cascode  

More tags

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