PRODUCTS

ANTENNAS
AMATEUR
LINK ANTENNAS
PARABOLIC ANTENNAS

SPLITTERS
AMATEUR
SHF Band

CAVITY
AMATEUR

COMBINERS/DUPLEXERS
AMATEUR

COXIAL ACCESSORIES
Coaxial cables
Interbay cables
Connectors
Adapters

Cavity Filters Pass-band and Notch

Pass-band or Notch coaxial Cavity filters for VHF and UHF

Pass-band or Notch coaxial cavity filters in quarter wave high “Q” for VHF and UHF communications and Amateur.   Externally made aluminum treated Alodyne with internal lines of silvered copper and PTFE insulators.  Used both in transmission and reception, they are available in two versions: band-pass ( FDB ) or stop-band  notch ( FDN ). UHF versions are temperature compensated, VHF versions only on request.

Gallery

Technical Data

 FDB/50   FDB/130   FDB/530-C   FDN/50   FDN/130   FDN/530-C 
FREQ. RANGE 50-60Mhz 140-180Mhz 430-560Mhz 50-60Mhz 140-180Mhz 430-560Mhz
V.S.W.R. < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1
IMPEDANCE 50 Ohm 50 Ohm 50 Ohm 50 Ohm 50 Ohm 50 Ohm
BANDWIDTH ( -3db )  200Khz 200Khz 500Khz
PASS-BAND ATTENUATION
< 0.6db < 0.6db < 0.6db < 0.6db < 0.6db < 0.6db
STOP-BAND ATTENUATION  > 25 db > 25 db > 25 db
CONNECTOR N N N N N N
POWER 150W 150W 100W 150W 150W 100W
WEIGHT 9.5 Kg 4.5 Kg 2.6 Kg 9.5 Kg 4.5 Kg 2.6 Kg
DIMENSIONS (cm) 115x12x12 70x12x12 32x12x12 115x12x12 70x12x12 32x12x12

Price & Info

VALIDATION REQUIRED. Please help us validate that you are indeed human by solving the provided captcha.
Input this code captcha here: