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DPF 4/6-HX-150

Duplex FiltersDPF 4/6-HX-150

6-cavity Mobile or Base Station Duplexer for the 68 - 88 MHz Band

Description

  • The DPF 4/6-HX-150 is a six-cavity high-power mobile or base station duplexer for the 68 - 88 MHz band.
  • This type of filter uses six large 40 x 40 mm cavities, all equipped with 3.5 mm silver-plated helical resonators, 19 mm diameter.
  • The use of large cavities and resonators means higher Q, resulting in smaller duplex spacing with lower loss.
  • The larger dimensions extend power rating to 100 W continuous.
  • The DPF 4/6-HX-150 is designed for single-channel equipment, but can, with slightly reduced data, be broadband-adjusted to allow multichannel equipment to be used.
  • The cavities are made of extruded aluminium, the chassis of passivated steel. All coaxial cables are of the semi-rigid type, and teflon has been used in all connectors and cables.
  • The filter is black vinyl coated to prevent corrosion.
  • Please specify the frequencies for TX and RX when ordering, as all filters are made individually.

Specifications

Electrical
Model DPF 4/6-HX-150
Frequency 68-88 MHz (88-112 MHz)
Max. Input Power 100 W @ 1 dB insertion loss
Min. Duplex Spacing 800 kHz
Insertion Loss @ 1.0 MHz spacing: 1.5 dB
@ 1.5 MHz spacing: 1.2 dB
@ 3.0 MHz spacing: 1.0 dB
Impedance 50 Ω
Tx Noise Suppression on Rx-Freq. / Rx Isolation on Tx-Freq. @ 1.0 MHz spacing: 70 dB
@ 1.5 MHz spacing: 80 dB
@ 3.0 MHz spacing: 100 dB
VSWR < 1.5:1
Mechanical
Connection(s) N(f)
Dimensions 210 x 250 x 50 mm / 8.27 x 9.84 x 1.97 in.
Weight Approx. 2.5 kg / 5.51 lb
Environmental
Operating temperature range -30°C to +60°C
Frequency Stability 8 ppm/° C (approx.)

Diagram and Mounting

TYPICAL RESPONSE CURVES @ 1 MHz DUPLEX SPACING

TYPICAL RESPONSE CURVES @ 1.5 MHz DUPLEX SPACING

TYPICAL RESPONSE CURVES @ 3 MHz DUPLEX SPACING

Ordering Designations

Model Product No.
DPF 4/6-HX-150 200000266

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