Fig. 1. Differential discrimination.

Fig. 2. Input signal and output signal of the differential circuit. R=100  Ω and C=200  pF.

Fig. 3. Relationship between the value of c/τ and Voutmax.

Fig. 4. Relationship between Vinmax and Voutmax of the differential circuit.

Fig. 5. Simulated relationship between the time resolution and the return pulse amplitude.

Fig. 6. Block of the combined discrimination.

Fig. 7. Simulations for the combined discrimination.

Fig. 8. Simulations and experiments for the combined discrimination with an optimized c/τ.