An Improved 10 dB Coupler.
Research and development technical rept.,
ARMY ELECTRONICS COMMAND FORT MONMOUTH N J
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A method is presented that accounts for the shift in center frequency due to the problem of unequal even and odd modes of propagation on a microstrip transmission line coupler. A modified coupler exhibited frequency correction and enhanced coupling bandwidth, using this method. Design expressions, experimental results, and fabrication details are given. Author
- Electrical and Electronic Equipment