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Microwave Office Basic Using Steps Speaker:. Design Example Spec. 0.1dB ripple fractional bandwidth ¼ lambda coupled line BPF S11 should smaller than.

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Presentation on theme: "Microwave Office Basic Using Steps Speaker:. Design Example Spec. 0.1dB ripple fractional bandwidth ¼ lambda coupled line BPF S11 should smaller than."— Presentation transcript:

1 Microwave Office Basic Using Steps Speaker:

2 Design Example Spec. 0.1dB ripple fractional bandwidth ¼ lambda coupled line BPF S11 should smaller than -15dB in the passband FBW=30%

3 1.Open New Schematic

4 Enter Schematic s name

5 2.Choose Unit

6 Units Press if MKS unit is needed

7 3.Choose elements Press Elem bottom first

8 4.Add substrate (Microstrip here ) 1.click substrate 2.Choose MSUB 3.Double click to change the value

9 Here Al2O3 substrate is used Dielectric constant=9.8 Substrate Thickness=15mil

10 5.Choose coupled line 1.Coupled lines 2.Drag MCLIN

11 Hand calculation data for coupled lines Total four ¼ lambda resonators are used here First resonator: line width mil,gap mil,length mil Second resonator: line width mil,gap 2.625mil,length mil Third resonator: line width mil,gap 2.625mil,length mil Fourth resonator: line width mil,gap mil,length mil

12 6.Connect the coupling lines

13 7.Add ports Click here

14 8.Set project frequencies

15 Set project frequencies cont d Remember to click Apply

16 9. See the response

17 See the response cont d Enter graph name

18 Add measurement

19 Add measurement cont d Choose measurement type Choose the circuit use dB scale

20 Result

21 10. Fine tune the ckt parameters Click here and choose the ckt parameters to tune

22 Start to tune 1.click tune 2.drag the value to change

23 Fine tune result

24 11. Optimize

25 Optimize (2) 1.choose one measurement to meet the goal 2.Goal type 3.frequency to satisfy goal

26 Optimize (3) Variables to opt

27 optimize (4)

28 optimize (5)

29 optimize(6)

30 12. TXL

31 TXL cont d


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