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FTDPDC05AA01

FTDPDC05AA01

Combiner 3 channels, doble balanced bridge.

  • Combiner 3 Channels 
  • Double Balanced Bridge 
  • FM Band: 87.5108 MHz 
  • Band II 





The Double Balanced Bridge System consists of two Band-Pass Filters, two -3dB Couplers and an Absorber. One of the inputs has a narrow-band characteristic (complying with the band-pass functions of the band-pass filters), while the other input has a broadband characteristic within the operating frequency range of -3dB couplers. Both inputs exhibit a frequency independent load impedance to the RF source.







TYPICAL SPECIFICATIONS 
ModelFTDPDC05AA01 – Double Bridge Type
Impedance50 Ohm
Frequency Range87.5-108 MHz
VSWR ±150 KHz1.1:1 max
Insertion Lossat 0 f 0.35-0.55 dB Max Narrow Band Input 0.1 dB Max Broad Band Input
Return Loss ±150Khz≤ -26 dB
Isolation ± 1.2 MHzN/B à B/B ³ 30 dB B/B à N/B ³ 40 dB
Number of Inputs3
Number of Outputs1
ConnectorsNarrow Band Input N female (Opt. 7/16”) Broad Band Input N female (Opt. 7/16” – 7/8”) Output 7/8” (Opt. N - 7/16”)
Max PowerNarrow Band Input 500 -1000W Broad Band Input 4000W
Working Temperature-20°C ÷ +50°C
ColourEnamel gray ral 7001
MaterialsAluminium, Brass, Copper, PTFE, Stainless Steel, Silvering (min 12µm thickness)


FEATURES 

  • Distortion – Free Transmission 
  • Double Balanced Bridge 
  • Frequency Independent Input Impedance 
  • Low Loss, High Isolation 
  • Natural Convection 
  • Frequency at broadband input can be varied without retuning band-pass cavity filters 
  • Broadband input can be used as spare input for expansion without requiring modifications of existing band-pass cavity filters 
  • If narrow band input is the only one being used, an extremely high coupling attenuation (directional coupler attenuation plus filter attenuation) can be achieved for very small frequency spacing 




ORDERING INFORMATION

  • FTDPDC05AA01
    Combiner 3 channels, doble balanced bridge.




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