The invention described herein may be manufactured, used, and licensed by or for the Government for governmental purposes without the payment to us of any royalty thereon.
Number | Name | Date | Kind |
---|---|---|---|
3332039 | Oh | Jul 1967 |
Number | Date | Country |
---|---|---|
1319119 | Jun 1987 | SUX |
Entry |
---|
Podell, Allen, "A High Directivity Microstrip Coupler Technique", IEEE GM May, 1970. |
Tremblay, M. D., "Design of High Directivity Microstrip Quarter Wavelength Directional Coupler With Small Coupling Coefficients", Bell Laboratories, Aug. 6, 1973. |
Rehnmark, Meansler-Folded Coupled Lines, IEEE Trans. on MTT, vol. MTT-26, No. 4, Apr. 1978, pp. 225-231. |