Duplex FiltersDPBP 70/3333-TETRA-N-...

12-Resonator Band-Pass Duplex Filter for TETRA Band

Description

  • The DPBP 70/3333-TETRA-N-... is a 2 x 6 resonator band-pass duplex filter designed to combine TETRA Tx and Rx to one common feeder.
  • The filter uses reduced-length ¼ λ cavities in a compact, strong aluminium housing. Teflon insulation has been applied in the coaxial cables and in the connectors.
  • 19” drawers available as options.
  • Built-in DC stop between all ports (Open circuit).

Specifications

Electrical
Model DPBP 70/3333-TETRA-N-...
Frequency 380 - 470 MHz
Max. Input Power 200 W
Pass Band Insertion Loss ≤ 1.2 dB (typ. 1.0)
Spacing Tx-Rx 5 MHz
Impedance 50 Ω
VSWR ≤ 1.5 (typ. ≤ 1.3)
Stop Band Attenuation > 60 dB (typ. > 63 dB)
Mechanical
Connection(s) N(f)
Dimensions 218 x 300 x approx. 105 mm
(incl. adjusting screw) /
8.58 x 11.81 x approx. 4.13 in.
(incl. adjusting screw)
Weight Approx. 6.6 kg / 14.55 lb.
Environmental
Operating temperature range -20 °C to +60 °C

Diagram and Mounting

Typical response curve

Ordering Designations

Model Product No. Frequency
DPBP 70/3333-TETRA-N-1 200000655 380 - 385 MHz / 390 - 395 MHz
DPBP 70/3333-TETRA-N-2 200001806 385 - 390 MHz / 395 - 400 MHz
DPBP 70/3333-TETRA-N-3 200001807 410 - 415 MHz / 420 - 425 MHz
DPBP 70/3333-TETRA-N-4 200001808 415 - 420 MHz / 425 - 430 MHz
DPBP 70/3333-TETRA-N-5 200001809 450 - 455 MHz / 460 - 465 MHz
DPBP 70/3333-TETRA-N-6 200001810 455 - 460 MHz / 465 - 470 MHz