PRO-PHY450-3

3-Channel Hybrid Combiner for 450 MHz Transmitters

Description

  • Combining three transmitters or receivers on the same antenna.
  • Better utilisation 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).

Specifications

Electrical
Filter Type Hybrid Junction
Frequency 380 - 475 MHz (see table)
Insertion Loss < 5.3 dB +/- 0.3 dB @ 11 MHz BW
< 5.5 dB +/- 0.3 dB @ 22 MHz BW
Impedance 50 Ω
Isolation Tx1 - Tx2 > 26 dB @ 11 MHz BW
> 25 dB @ 22 MHz BW
SWR < 1.5:1 with all other ports terminated with 50Ω
Maximum Input Power 75 W per channel (max. 150 W with larger load)
Load 30 W load fitted (other ratings available)
No. Of Channels 3
Mechanical
Connection(s) N female (other on request)
Dimensions 400 x 89 (incl. conn.) x 42 mm (excl. load)
Weight 1.3 kg / 2.87 lb
Environmental
Operating Temperature Range -30°C to +60°C

Diagram and Mounting

TYPICAL RESPONCE CURVE

Ordering Designations

Model Product No. Frequency
PRO-PHY450-3-1 210000540 395 - 410 MHz
PRO-PHY450-3-2 210000595 405 - 420 MHz
PRO-PHY450-3-3 210000557 415 - 430 MHz
PRO-PHY450-3-4 210000654 425 - 440 MHz
PRO-PHY450-3-5 210000733 435 - 450 MHz
PRO-PHY450-3-6 210000621 445 - 460 MHz
PRO-PHY450-3-7 210000575 455 - 470 MHz
PRO-PHY450-3-8 210000576 465 - 480 MHz