P/N 63491A-1 is a double diplexer, for GPS application.  The filter passes only the GPS L1 and L2 channels, rejecting everything else, to at least 10 GHz.  An evanescent mode structure, the 63491A-1 is truly GPS "state-of-the art".

Channel L2:
• Minimum -3 dBc passband:                         1202.6 to 1252.6 MHz
• Maximum loss at 1227.6 +/- 10 MHz:                   2 dB
• Phase linearity at 1227.6 +/- 10 MHz:         6 deg. maximum
• Maximum passband VSWR:                      1.5:1 (50 ohms)
• Minimum -60 dB rejection:                            1047.6 MHz
• Minimum -40 dB rejection:                           1347.6 MHz
• Operating power level:                                at least 0.25 W
Channel L1:
• Minimum -3 dBc passband:                      1550.4 to 1600.4 MHz
• Maximum loss at 1575.4 +/- 10 MHz:                  2 dB
• Phase linearity at 1575.4 +/- 10 MHz:           6 deg. maximum
• Maximum passband VSWR:                         1.5:1 (50 ohms)
• Minimum -60 dB rejection:                            1775.4 MHz
• Minimum -40 dB rejection:                            1455.4 MHz
• Operating power level:                               at least 0.25 W
*  Maximum group delay difference at L1 and L2 center frequencies: 5 ns

                                                Outline Drawing

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