DDF0026F1V1

DDF0026F1V1

Dual Duplex Filter 850

 

FEATURES

  • For use in CDMA850 with co-located GSM900 systems
  • 1.32MHz guard-band between CDMA and GSM, 60dB rejection
  • Provides high rejection for CDMA850 transmitter noise and spurious in nearby GSM900 uplink band
  • Low downlink insertion loss, ceramic technology
  • Bandwidth 4.1 MHz
  • DC/AISG passthrough

technical specifications
downlink (bts tx)
Passband 875 - 879.105MHz
Insertion loss 1.3dB maximum / 0.9dB typical at band edge
0.6dB typical at mid-band
EVM 14% maximum
uplink (bts rx)
Passband 830 - 834.105MHz
Insertion loss 0.7dB maximum / 0.5dB typical at band edge
0.6dB typical at mid-band
EVM 1% maximum
attenuation
880.425 - 915MHz 60dB minimum
electrical
Impedance 50ohms
Return loss 18dB minimum
Intermodulation products (out-of-band) <-125dBm for two tones, any frequency between 935–960MHz at 0dBm each
(In band) <-125 dBm in the uplink band with two tones of +43 dBm in downlink
Maximum input power 100W (average) / 1kW (PEP)
dc / aisg
Passband 12MHz
Insertion loss 1dB maximum
Return loss 12dB minimum
Input voltage range +/- 33V maximum, 1 Amp
environmental
For further details of environmental compliance, please contact Kaelus.
Temperature range 0ºC to +60ºC | 32ºF to +140ºF
mechanical
Dimensions H x D x W 478.7 x 256.5 x 100mm | 18.84 x 10.09 x 3.94in
Weight 12.4kg | 27.33lbs
Connectors DIN 7-16 (F) x 2, IP68 rated
ordering information
Part Number Description
DDF0026F1V1 Dual Duplex Indoor Filter CDMA850, BW 4.1MHz, guardband 1.32MHz, indoor
mechanical block diagram
MECHANICAL BLOCK DIAGRAM

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