* trans-diffamp-common * Converted from CircuitJS by eetree.cn/tools - open in LTspice (File > Open, then Run) * Suggested traces: V(N001) V(N004) V(N005) Q1 N002 N001 N003 QNPN_100 Q2 N005 N004 N006 QNPN_100 R1 N003 N007 1k R2 N007 N006 1k R3 N007 N008 75k R4 N005 N002 75k V1 N002 0 15 V2 N008 0 -15 V3 N001 0 SIN(0 1 40 0 0 0) V4 N004 0 SIN(0 1 40 0 0 0) .model QNPN_100 NPN(BF=100 BR=1 IS=1e-13 Cje=1p Cjc=1p) .tran 5u 384m 0 5u uic .end