Overview: FM Starpoint Diplexers & Triplexers with 3 cell cavity

These combiners for two or three transmitters were conceived to couple two or three transmitting frequencies on one antenna. Besides the power restriction due to the type of cavity that is used, the diplexers and triplexers are also limited by the frequency range. Special 3 cell cavity can achieve a smaller distance between the frequencies. It must be greater than 1.5 MHz. The triplexers must be factory tuned.

TECHNICAL SPECIFICATIONS

Frequency range              87.5 - 108 MHz

Typical insertion loss       >0.7 dB (TFSD1000)

                                          >0.7 dB (TFSD3000)

                                          >0.6 dB (FSD5000)

                                          >0.7 dB (TFST1000)

                                          >0.7 dB (TFST3000)

                                          >0.6 dB (TFSD5000)

Min. freq. spacing            1.5 MHz

Impedance                       50 Ohms

Connectors                       TFSD & TFST 1000 input N type or 7/16 DIN

                                          output EIA 7/8

                                          TFSD & TFST 3000 input 7/8 EIA

                                          output EIA 15/8

                                          TFSD & TFST 5000 input 7/8 EIA

                                          output EIA 3+1/8

Power rating                     TFSD & TFST 1000: 800 W each channel max

                                          TFSD & TFST 3000: 2500 W each channel max

                                          TFSD & TFST 5000: 5000 W each channel max

VSWR                                 1.1:1 typical                                                             

Isolation btwn channels   30-50dB (dep. on dist. btwn channels)            

Materials                           ext.: aluminum – int.: silver plated copper         

Color                                  black                                                                         

Weight                               75 Lbs (34 kg) TFSD1000                                    

                                          136Lbs (62 kg) TFSD 3000

                                          185 Lbs (84 kg) TFSD 5000

                                          106 Lbs (48 kg) TFST 1000

                                          192 Lbs (87 kg) TFST 3000

                                          263 Lbs (119 kg) TFST 5000                               

Temperature range          32° to 120° F (0° to 50° C)                                    

 

Dimensions                      41x40x130cm TFSD1000                                    

                                          60x40x130cm TFSD 3000

                                          73x70x130cmTFSD 5000

                                          62x40x130cm TFST 1000

                                          62x60x130cm TFST 3000

                                          92x70x130cm TFST 5000

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