Traweling Wave Amplifier

The third example is a three stage Traweling Wave Amplifier. The schematic of the circuit is shown in Figure 9-13. It shows the use of coplanar discontinuities with airbridges. The layout of the circuit is shown in Figure 9-14. Figure 9-15 shows some details of this layout with the used FET. The simulated S-Parameters of the circuit are plotted in Figure 9-16. A gain of nearly 7dB could be achieved. The corresponding project directory $EESOF_DIR/ examples/coplan_v2310_prj.

Figure 9-13. Schematic of the Coplanar Traweling Wave Amplifier




Figure 9-14. Complete Layout of the Coplanar Traweling Wave Amplifier




Figure 9-15. Partial Layout of the Coplanar Traweling Wave Amplifier




Figure 9-16. S-Parameter of the Coplanar Traweling Wave Amplifier

[close window]

[Coplanar Interdigital Coupler]