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LPC 470 N...

Coaxial Low-Pass Filter for the 450 MHz Band

  • Passes all signals below 470 MHz.
  • Rejects signals above this range.

DESCRIPTION

  • Stop band from 1250 MHz to 2.5 GHz.
  • Attenuation in stop band better than 80 dB.
  • Insertion loss in pass band less than 0.4 dB.
  • Provided with brackets for panel mounting.

ORDERING DESIGNATIONS 

TYPE PRODUCT NO.
LPC 470 N... 200002092

SPECIFICATIONS

ELECTRICAL  
MODEL LPC 470 N...
FILTER TYPE Low-pass filter for the 450 MHz band
FREQUENCY Pass band: 0 - 470 MHz
Stop band: 1250 MHz - 2.5 GHz
MAX. INPUT POWER 150 W
INSERTION LOSS (PASS BAND) ≤ 0.4 dB
SWR (PASS BAND) ≤ 1.5
1 dB CUT-OFF FREQUENCY > 500 MHz
ATTENUATION @ 660 MHz > 20 dB
ATTENUATION (STOP BAND) > 80 dB
MECHANICAL  
TEMP. RANGE –30° C → +80° C
CONNECTORS N-female
DIMENSIONS (L x W x H) 294 x 40 x 36 mm / 11.57 x 1.57 x 1.42 in
WEIGHT Approx. 440 g / 0.97 lb

 

TYPICAL RESPONSE CURVES


 

DIMENSIONS


PLEASE NOTE

The LPC 470 is used to prevent RFI (Radio Frequency Interference) caused by harmonics and spurious signals from transmitters operating in the 450 MHz band. By rejection, the filter reduces the amplitude of the various spurious signals and prevents them from being radiated by the antenna.

The filter is normally used in connection with base station transmitters, but as it is mechanically very ruggedly designed, it is perfectly suited for mobile and marine applications as well.

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