Basic Electronics Lab
SIM ACTIVE
v1.0

Op-Amp 741 — LM741 Circuit Configurations

Real-time dual-trace oscilloscope with ±V_CC rail clamping. Yellow = V_in input signal. Coloured trace = V_out. Adjust gain, RC time constant and frequency.

2V
0.5V 5V
100Hz
10Hz 5000Hz
10kΩ
1kΩ 100kΩ
100kΩ
1kΩ 1000kΩ
15V
5V 15V
Output clamped to ±V_CC (rail-to-rail limit)
Voltage Gain
Gain (dB)
V_out peak — V
Phase shift
Rail status OK
Inverting Amplifier — V_out = −(R_f/R_in)·V_in
V_out is phase-inverted and scaled by gain | clamped to ±V_CC
CH1 — V_in
CH2 — V_out
ACTIVE FORMULA
V_out = −(R_f / R_in) × V_in Gain = −R_f/R_in | Phase = 180° | Output limited to ±V_CC
V_in R_in R_f 741 + V_out