Saturday 22 February 2014

To check the null (condition) of a bridge


Required Components:

Voltage Source (Vac), Resistors (R), Ammeters (Iprint), Ground (Gnd) and connecting wires.

Circuit Diagram

his circuit diagram is drawn in pspice  software,you can download free software by clicking links below, to know more about pspice circuit software follow the links below

 







Procedure:

Open Schematics.
Go to get new parts, select and place the required parts. 
Place the components in their appropriate position and if necessary rotate by cntr+r.
Click on draw wire and connect all the elements.
Configure the values of all the placed elements.
Go to analysis, check AC sweep, open it, set total points to 1 and also set the frequency to 50 Hz.
Saves the circuit.
Go to analysis and simulate the circuit.
Go to analysis and examine the results.

Results

**** 12/30/11 18:29:06 *********** Evaluation PSpice (Nov 1999) **************
 * D:\pluto's projects\ckt labs\4\dkt lab # 4.sch
 ****     CIRCUIT DESCRIPTION
******************************************************************************
* Schematics Version 9.1 - Web Update 1
* Fri Dec 30 18:27:43 2011
** Analysis setup **
.ac LIN 1 50 50
.OP 
* From [PSPICE NETLIST] section of pspiceev.ini:
.lib "nom.lib"
.INC "dkt lab # 4.net"
**** INCLUDING "dkt lab # 4.net" ****

* Schematics Netlist *

R_R2         $N_0002 $N_0001  10  
R_R4         $N_0004 $N_0003  100  
R_R3         $N_0001 $N_0003  100  
R_R6         $N_0002 0  2  
R_R5         0 $N_0003  20  
V_PRINT1         $N_0002 $N_0004 0V        
.PRINT        AC 
+ IM(V_PRINT1) 
+ IP(V_PRINT1)    
R_R1         $N_0005 $N_0001  1  
V_V1         $N_0005 0 DC 0V AC 10V 90
**** 12/30/11 18:29:06 *********** Evaluation PSpice (Nov 1999) **************
 * D:\pluto's projects\ckt labs\4\dkt lab # 4.sch
 ****     SMALL SIGNAL BIAS SOLUTION       TEMPERATURE =   27.000 DEG C
******************************************************************************
 NODE   VOLTAGE     NODE   VOLTAGE     NODE   VOLTAGE     NODE   VOLTAGE
($N_0001)    0.0000                   ($N_0002)    0.0000                       
($N_0003)    0.0000                   ($N_0004)    0.0000                       
($N_0005)    0.0000                   
    VOLTAGE SOURCE CURRENTS
    NAME         CURRENT
    V_PRINT1     0.000E+00
    V_V1         0.000E+00
    TOTAL POWER DISSIPATION   0.00E+00  WATTS

**** INCLUDING "dkt lab # 4.als" ****
* Schematics Aliases *


.ALIASES
R_R2            R2(1=$N_0002 2=$N_0001 )
R_R4            R4(1=$N_0004 2=$N_0003 )
R_R3            R3(1=$N_0001 2=$N_0003 )
R_R6            R6(1=$N_0002 2=0 )
R_R5            R5(1=0 2=$N_0003 )
V_PRINT1          PRINT1(1=$N_0002 2=$N_0004 )

R_R1            R1(1=$N_0005 2=$N_0001 )
V_V1            V1(+=$N_0005 -=0 )
.ENDALIASES**** 12/30/11 18:29:06 *********** Evaluation PSpice (Nov 1999) **************
 * D:\pluto's projects\ckt labs\4\dkt lab # 4.sch
 ****     OPERATING POINT INFORMATION      TEMPERATURE =   27.000 DEG C
*********************************************************************************
* 12/30/11 18:29:06 *********** Evaluation PSpice (Nov 1999) **************
 * D:\pluto's projects\ckt labs\4\dkt lab # 4.sch

 ****     AC ANALYSIS                      TEMPERATURE =   27.000 DEG C

******************************************************************************

  FREQ        IM(V_PRINT1)IP(V_PRINT1)

   5.000E+01   1.735E-18   9.000E+01
          JOB CONCLUDED
          TOTAL JOB TIME             .02
psice free download links 

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