Now showing circuits 21-40 of 52. Sort by

Square To Trigger Converter

Square To Trigger Converter PUBLIC

by Janvier | updated July 16, 2014

analog   bjt   differentiator   high-pass   hpf   low-frequency   negative-trigger   npn   trigger  

White Noise Generator

White Noise Generator PUBLIC

by yigit | updated December 08, 2013

bjt   white-noise  

BJT transistor

BJT transistor PUBLIC

by waledtayib | updated December 04, 2013

bjt   transistor  

simple Emitter folower

simple Emitter folower PUBLIC

by kristebo | updated August 13, 2013

amplifier   bjt   emitter-follower  

Translinear SQRT PNP


Translinear analog square root circuit. V(OUT) = SQRT( V(IN) ) / 10

by mrobbins | updated August 07, 2013

bjt   signal   translinear  

bjt curvetracer 01

bjt curvetracer 01 PUBLIC

A simple bjt curve tracer

by signality | updated July 12, 2013

bjt   curve-tracer   dc-sweep   saturation  

bypassed emitter amp 2

bypassed emitter amp 2 PUBLIC

by stashcraft | updated February 04, 2013

amplifier   bjt  

dumb distortion unit

dumb distortion unit PUBLIC

silly single-transistor germanium distortion unit, as spec'ed by the distributer.

by stashcraft | updated January 30, 2013

amplifier   audio   bjt   guitar  

NOR BJT Circuit


This is a way I have constructed a NOR TTL Logic Gate using NPN BJT transistors.

by digitalcircuitman777 | updated January 25, 2013

bjt   digital   digitalcircuitman777   logic-gate   nor   transistor   ttl  


Simple_BJT_amplifier PUBLIC

by Circuit_Sandbox | updated September 26, 2012

amplifier   bjt   dc  

NAND BJT Circuit


This is a way I have constructed a NAND TTL Logic Gate using NPN BJT transistors.

by digitalcircuitman777 | updated August 08, 2012

bjt   digital   digitalcircuitman777   gate   logic   logic-gate   nand   transistor   ttl  

AND BJT Circuit


This is how I constructed an AND TTL Logic Gate using NPN BJT transistors.

by digitalcircuitman777 | updated August 08, 2012

and   bjt   digital   digitalcircuitman777   logic-gate   transistor   ttl  

OR BJT Circuit


This is a way I have constructed an OR TTL Logic Gate using NPN BJT transistors.

by digitalcircuitman777 | updated August 08, 2012

bjt   digital   digitalcircuitman777   logic-gate   or   transistor   ttl  

2N3906 Switching Performance

2N3906 Switching Performance PUBLIC

Switching (saturation turn-on/turn-off) times for 2N3906 PNP BJT.

by mrobbins | updated July 02, 2012


Differential FET-BJT Amplifier

Differential FET-BJT Amplifier PUBLIC

Stripped down version of "Geophone amplifier".

by anubi | updated May 20, 2012

amplifier   audio   bias-point   bjt   jfet   level-shift  

differential FET/BJT amp 2

differential FET/BJT amp 2 PUBLIC

Differential FET input, single supply, referenced to ground. V6 or R13 sets bias point. Differential in. Differential out. Note Q1, Q2 feed back through Q5E to improve CMRR and stabilize bias over...

by anubi | updated May 20, 2012

amplifier   audio   bjt   differential   jfet  

Geophone Amplifier

Geophone Amplifier PUBLIC

Single-supply voltage. High-impedance differential input referenced to ground. Low impedance differential line-driver output. This circuit would not converge with old JFET model. CircuitLab fixed the...

by anubi | updated May 19, 2012

amplifier   audio   bjt   differential   jfet   level-shift   startup  


Trouble2 PUBLIC

This is a subset of "Trouble 1". This is the core voltage gain and DC bias feedback which would exhibit convergence difficulty on the old FET model. CircuitLab has fixed the model. This circuit now...

by anubi | updated May 18, 2012

amplifier   bjt   convergence   feedback   initial-conditions   jfet   level-shift   startup  

bjt and relay

bjt and relay PUBLIC

by foofoo | updated April 26, 2012

bjt   relay  

Capacitively Loaded Emitter Follower

Capacitively Loaded Emitter Follower PUBLIC

An emitter follower is supposed to have its output voltage follow changes in its input approximately 1 to 1, but fast input edges and a capacitively loaded output lead to undesired and asymmetric...

by CircuitLab | updated April 13, 2012

bjt   emitter-follower   time-constant  

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