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DPF 23/6

Duplex FiltersDPF 23/6

6-Cavity Duplexer for the 23 cm Amateur Radio Band

Description

  • The DPF 23/6 is a 6-cavity duplex filter for the 23 cm amateur band.
  • The DPF 23/6 can be tuned within the 1240 - 1300 MHz amateur band with a nominal duplex separation of 35 MHz.
  • The filter uses full-length ¼ λ cavities in a compact, extruded aluminium housing. The chassis is made of passivated steel, and teflon insulation has been applied in the rigid coaxial cables and in the connectors.
  • The filter is black vinyl coated to prevent corrosion.

Specifications

Electrical
Model DPF 23/6
Frequency 1240 - 1300 MHz
Max. Input Power 50 W
Insertion Loss Tx-Ant and Ant-Rx ≤ 1.0 dB (typ. ≤ 0.7 dB)
Tx Noise Suppression on Rx Frequency ≥ 85 dB
Isolation Rx on Frequency Tx ≥ 85 dB
Impedance 50 Ω
Duplex Spacing 35 MHz (28 MHz on request)
VSWR < 1.5:1
Mechanical
Connection(s) N(f)
Dimensions 135 x 154 x 33 mm / 5.31 x 6.06 x 1.30 in.
Weight Approx. 0.62 kg / 1.37 lb.
Environmental
Operating temperature range -30 °C to +60 °C
Frequency Stability Approx. 5 ppm / °C

Diagram and Mounting

TYPICAL RESPONSE CURVES

Ordering Designations

Model Product No.
DPF 23/6 200000049

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