SBRIDGER.CIR - INSTRUMENTATION BRIDGE * VBIAS 1 0 DC 10 * * INSTRUMENTATION BRIDGE RB2 1 3 1K RB4 3 0 1K RB1 1 2 1K * * RESISTIVE SENSOR (VOLTAGE CONTROLLED) XSENSOR 2 0 10 0 V_CONT_R * * CONTROL VOLTAGE VCONT 10 0 PWL(0MS 0.9 10MS 1.1) RD1 10 0 1G * * SUBCIRCUIT FOR VOLTAGE CONTROLLED RESISTOR * RESISTOR - 1,2 CONTROL - 4,5 * .SUBCKT V_CONT_R 1 2 4 5 ERES 1 3 VALUE = { I(VSENSE)*1K*V(4,5) } VSENSE 3 2 DC 0 .ENDS * * ANALYSIS .TRAN 1MS 10MS * VIEW RESULTS .PLOT TRAN V(2) V(3) .PRINT TRAN V(2) V(3) .PROBE .END