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PRO-PHY85-3

3-Channel Hybrid Combiner for 85 MHz Transmitters

  • Combining three transmitters or receivers on the same antenna.
  • Better utilization of good antenna position.
  • Three antennas on the same transmitter or receiver.
  • The only combining option with very small TX-TX frequency spacing.
  • 60 W load supplied (other loads or no load as option).

ORDERING DESIGNATIONS

TPYE FREQ. RANGE PRODUCT NO.
PRO-PHY85-3-1 67 - 71 MHz 210000785
PRO-PHY85-3-2 70 - 74 MHz 210000736
PRO-PHY85-3-3 73 - 77 MHz 210000549
PRO-PHY85-3-4 76 - 80 MHz 210000703
PRO-PHY85-3-5 79 - 83 MHz 210000737
PRO-PHY85-3-6 82 - 86 MHz 210000693
PRO-PHY85-3-7 85 - 89 MHz 210000694

SPECIFICATIONS

ELECTRICAL
FILTER TYPE Hybrid Junction
FREQUENCY 68 - 88 MHz (see table)
MAX. INPUT POWER

75 W per channel

(max. 150 W with larger load)

INSERTION LOSS

< 5.2 dB ± 0.3 dB @ 2 MHz BW

< 5.4 dB ± 0.3 dB @ 4 MHz BW

ISOLATION TX 1-TX 2

(*see note)

> 26 dB @ 2 MHz BW

> 25 dB @ 4 MHz BW

IMPEDANCE Nom. 50 Ω
LOAD (**see note) 30 W load fitted (other ratings available)
SWR < 1.5 with all other ports terminated with 50 Ω
MECHANICAL
TEMP. RANGE –30° C → +60° C
CONNECTORS N-female (other types available)
DIMENSIONS (L x W x H) 400 x 89(incl. conn.) x 42 mm (excl. loads)
WEIGHT Approx. 1300 g (excl. load)

 

* The isolation between the TX ports is directly dependent on the terminating SWR on the antenna port. With an antenna load SWR = 1.5, the isolation between the two TX ports will be reduced to 20 dB @ 5 MHz bandwidth.

** The SWR of the load´s should be < 1.1! Each load should be able to dissipate 2/3 of the input power.

E.g.: With 50 W input, each load should be able to dissipate 50 W x 2/3 = 33 W.

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