DPBP 70/3333-20-TETRA (Discontinued and Replaced by PRO-DPBP 380-400/410-430)

12-Resonator Band-Pass Duplex Filter for TETRA Band with 20 MHz bandwidth

Description

  • The DPBP 70/3333-20-TETRA is a 2 x 6 resonator band-pass duplex filter designed to combine TETRA 380 - 400 MHz and 410 - 430 MHz to one common feeder.
  • The filter uses reduced-length ¼ λ cavities in a compact, strong aluminium housing.
  • 19” drawers available as options.
  • Silver-plating ensures low insertion loss.
  • Built-in DC stop between all ports.
 

Specifications

Electrical
Model DPBP 70/3333-20-TETRA
Frequency Low: 380 - 400 MHz
Hight: 410 - 430 MHz
Max. Input Power 200 W
Channel Spacing 10 MHz
Insertion Loss ≤ 0.7 dB (typ. ≤ 0.5 dB)
Impedance 50 Ω
VSWR ≤ 1.5:1 (typ. ≤ 1.3:1) in all ports
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.
Weight Approx. 6.6 kg / 14.55 lb.
Environmental
Operating Temperature Range -20°C to +60°C
Frequency Stability 4.5 ppm/° C (approx.)

Diagram and Mounting

Typical response curves

Ordering Designations

Model Product No. Frequency
DPBP 70/3333-20-TETRA-N(f) Contact for availability 380 - 400 MHz / 410 - 430 MHz