Numerical Method for Determination of Microstrip Interdigitated Coupler Design Parameters.
NAVAL WEAPONS CENTER CHINA LAKE CALIF
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A method of determining design parameters for the microstrip interdigitated Lange coupler is presented. Parameters investigated include coupling coefficients, odd and even mode velocities, and characteristic impedance. A general method of analysis is reviewed, convergence of the method is studied, and a computer program implementing this analysis along with supporting test data are presented. Test results indicate a good agreement between measured and predicted coupling and directivity for the interdigitated couplers.
- Electrical and Electronic Equipment