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PRO-PHY450-4

4-Channel Hybrid Combiner for 450 MHz Transmitters

  • Combining four transmitters or receivers on the same antenna.
  • Better utilisation of good antenna position.
  • Four 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

TYPEPRODUCT NO.FREQ. RANGE
PRO-PHY450-4-TETRA210001667380 - 400 MHz
PRO-PHY450-4-1210000880400 - 405 MHz
PRO-PHY450-4-2210000712404 - 409 MHz
PRO-PHY450-4-3210000698408 - 413 MHz
PRO-PHY450-4-4210000735412 - 417 MHz
PRO-PHY450-4-5210000577416 - 421 MHz
PRO-PHY450-4-6210000582420 - 425 MHz
PRO-PHY450-4-7210000644424 - 429 MHz
PRO-PHY450-4-8210000586428 - 433 MHz
PRO-PHY450-4-9210000809432 - 437 MHz
PRO-PHY450-4-10210000715436 - 441 MHz
PRO-PHY450-4-11210000834440 - 445 MHz
PRO-PHY450-4-12210000833444 - 449 MHz
PRO-PHY450-4-13210000713448 - 453 MHz
PRO-PHY450-4-14210000581452 - 457 MHz
PRO-PHY450-4-15210000665456 - 461 MHz
PRO-PHY450-4-16210000610458 - 463 MHz
PRO-PHY450-4-17210000584462 - 467 MHz
PRO-PHY450-4-18210000643466 - 471 MHz
PRO-PHY450-4-19210000891470 - 475 MHz

SPECIFICATIONS 

ELECTRICAL
FILTER TYPEHybrid Junction
FREQUENCY380 - 475 MHz (see table)
MAX. INPUT POWER65 W per channel
(max. 150 W with larger load)
INSERTION LOSS< 6.3 dB ± 0.3 dB @ 11 MHz BW
< 6.6 dB ± 0.3 dB @ 22 MHz BW
ISOLATION TX 1-TX 2
(*see note)
> 32 dB @ 11 MHz BW
> 28 dB @ 22 MHz BW
IMPEDANCENom. 50 Ω
LOAD30 W load fitted (other ratings available)
SWR< 1.5 with all other ports terminated
with 50 Ω
MECHANICAL
TEMP. RANGE–30° C → +60° C
CONNECTORSN-female (other types as option)
DIMENSIONS (L x W x H)420 x 89 (incl. conn.) x 42 mm
WEIGHTApprox. 1330 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 loads should be < 1.1! Each load should be able to dissipate 3/4 of the input power.
E.g.: With 50 W input, each load should be able to dissipate
50 W x 3/4 = 37 W.

 

ISOLATION & RESPONSE

 

MOUNTING DETAILS

 

 

 

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