SAWNet Pro — IDT + Superlattice Design Suite

3D geometry

2D wave animation

Top-down schematic

S-parameter matrix

RF Analysis

Tolerance / Yield

TCF

Power / IM3

Compare

Optimize / Synthesis

Computed metrics

3D device geometry drag · scroll · right-click

Substrate

128° YX LiNbO₃

IDT metal

Au, 200 nm

5/10 µm × 26 UCs

2D SAW propagation — top-down view Bloch wave on the SL

Speed Frequency 200 MHz

Top-down schematic

S-parameter matrix (S11 / S12 / S21 / S22)

RF Analysis — Smith chart, group delay, return loss, spec mask

Spec mask compliance

Passband: – MHz min IL: dB Stopband: – MHz max IL: dB

Fabrication tolerance & Monte-Carlo yield

Pitch σ: µm Aperture σ: µm Metal σ: nm SL d_a σ: µm N samples:

Temperature coefficient of frequency — automotive range −40 to +85 °C

T_min: °C T_max: °C T_ref: °C TCF (substrate, ppm/°C): 2nd-order (ppb/°C²):

Power handling & third-order intermodulation (IM3)

Two-tone spacing: MHz P1dB scale (Au): dBm OIP3 offset: dBm

Multi-design comparison — save current, compare side-by-side

0 designs saved

Optimize / Synthesis — DE inverse design, BVD extraction, ladder filter, apodisation, DRC, measurement overlay

⏵ Differential-Evolution multi-objective inverse design

Target f_peak: MHz Min Q: Max IL: dB Pop: Gen:

⏵ Butterworth-Van Dyke equivalent circuit (R-L-C-C₀) + SPICE

// Click Extract to compute the BVD model from the cascade.

⏵ Multi-pole ladder filter synthesis (series + shunt resonators)

Order N: Centre: MHz BW: MHz

⏵ IDT apodisation / weighting (sidelobe suppression)

Window:

⏵ Design Rule Check (DRC) + PDK

PDK:

⏵ Measurement overlay (Touchstone .s2p import)

Computed scalar metrics

Substrate & Materials

Substrate

IDT metal

Metal thickness nm

IDT geometry

Pitch µm

Finger pairs N

Aperture µm

Delay line µm

Superlattice

d_c (crystalline) µm

d_a (amorphous) µm

Unit cells N_UC

Film thickness µm

Crystallised x_c