Lowpass Filters

Sirius Microwave offers a variety of lowpass filters from 10KHz to 20GHz. These filters can be optimized for high power, small size, wide stopband and high selectivity. Optionally a group delay equalizer can be integrated. Some examples of lumped element lowpass filter designs are listed in table below. Contact factory for special requirements here.

Category:

Description

Features

  • Chebyshev, Elliptic or Linear Phase

  • Low insertion loss

  • 3 dB corner frequencies from 10KHz to 5GHz

  • Stopbands up to 20*Fc

  • Optional Group Delay Equalization

Specifications

Model no. 3dB Corner Frequency [MHz] Passband from [MHz] Passband to [MHz] Insertion Loss [dB] VSWR Stopband from [MHz] Stopband to [GHz] Rejection [dB] Power [W]
FLL-100K 0.3 0 0.1 0.5 1.2:1 10 3.5 80 0.1
FLLE9-4.5K 4.7 0 4.3 0.5 1.2:1 5.6 0.5 60 10
FLL-25-150W 25 0 20 0.8 1.5:1 30 5 40 150
FLLE-25-500W 26 0 25 0.5 1.5:1 30 0.15 30 500
FLL13-30-150W 32 0 30 0.5 1.5:1 37 0.5 40 150
FLLE7-50B 52 0 50 0.5 1.5:1 60 0.3 40 300
FLLE9-88 92 0 88 0.7 1.5:1 100 0.5 50 300
FLL9-146 150 0 146 1.0 1.5:1 225 2 40 1
FLLE7-174C 184 0 174 0.7 1.5:1 216 1 40 250
FLL13-180-150W 185 0 160 0.45 1.5:1 250 2 60 150
FLL15-370 370 0 350 1.0 1.5:1 520 2 80 10
FLLE7-406B 420 0 406 0.7 1.5:1 450 1 30 200
FLL15-450 460 0 400 0.6 1.5:1 550 3 60 10
FLL17-800Q 920 0 800 1.0 1.5:1 1300 8 60 1
FLL21-900 910 0 700 0.8 1.5:1 1020 10 60 5
FLLE21-950 950 0 800 1.0 1.5:1 1000 14 30 1
FLL17-2690 2900 0 2690 1.0 1.5:1 3600 26 60 10
FLL15-3000 3000 0 2800 1.2 1.5:1 3600 16 50 1
FLL11-12000-C 12000 0 11000 0.8 1.5:1 16250 30 50 1

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