DPF 4/…-125

Duplex Filters for the 85 MHz Band

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DPF 4/...-125

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DPF 4/…-125
Electrical
Model
DPF 4/22-125DPF 4/33-125
Frequency 66 – 88 MHz
Max. Input Power 250 W
Min. Duplex Spacing 0.25 MHz
Insertion Loss
< 1.0 dB< 1.5 dB
Impedance 50 Ω
Attenuation
> 40 dB> 60 dB
VSWR ≤ 1.5:1
Environmental
Frequency Stability Approx. 0.8 ppm / °C
Operating temperature range -30 °C to +60 °C
Mechanical
Connection(s) N(f)
Historic Brand Procom
Dimensions
260 x 483 x 1400 (1500) mm /
10.24 x 19.02 x 55.11 (59.05) in.260 x 483 x 1400 (1500) mm /
10.24 x 19.02 x 55.11 (59.05) in.
Weight
Approx. 19 kg / 41.89 lb.Approx. 28.4 kg / 62.61 lb.
  • High power base station duplex filters for the 66 – 88 MHz range.
  • The use of large ø125 mm cavities means a high Q, resulting in a
    very small duplex spacing.
  • The large dimensions also mean a high power rating.
  • High frequency stability on temperature and power.
  • Mounting brackets for 19” mounting included.
  • Please specify the frequencies for Tx and Rx when ordering.

TYPICAL RESPONSE CURVES @ 1 MHz DUPLEX SPACING

TYPICAL RESPONSE CURVES @ 1 MHz DUPLEX SPACING

Model Product No. Model Add To Quote

DPF 4/22-125

 200001581 DPF 4/22-125

DPF 4/33-125

 200001582 DPF 4/33-125

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