Lock-in Sim

An interactive tool to understand the principles of phase-sensitive detection.

Input Signal

Signal 1 Frequency (Hz)

Signal 1 Amplitude (V)

Enable Signal 2 (Interference)

Noise Amplitude (V)

DC Offset (V)

Coupling DC

Reference Frequency (Hz)

Reference Phase Shift (°)

LPF Time Constant (ms)

Amplitude (R)

0.00 V

Phase (θ)

0.00 °

X-Component

0.00 V

Y-Component

0.00 V