Number | Name | Date | Kind |
---|---|---|---|
4288763 | Hopfer | Sep 1981 | |
4638269 | Dawson et al. | Jan 1987 | |
4837532 | Lang | Jun 1989 | |
4859972 | Franke et al. | Aug 1989 |
Entry |
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"Linear Analog Hyperabrupt Varactor Diode Phase Shifters", Niehenke et al., 1985 IEEE MTT-S Digest, pp. 657-660. |
"360.degree. Varactor Linear Phase Modulator", Garver, IEEE Transactions on Microwave Theory and Techniques, vol. MTT-17, No. 3, Mar. 1969, pp. 137-147. |