Sirius Microwave’s series of lumped element bandpass filters covers passband frequencies from few KHz to 5GHz, while stopbands extend to 18GHz. These filters are available for bandwidths from 1% to multi-octave. Lumped element filters can be optimized for low loss, high power, compact size and high selectivity. Some examples of lumped element designs are listed in table below. Contact factory for special requirements here.
Lumped Element Bandpass Filters
Description
Features
Chebyshev, Elliptic or Linear Phase
Symmetric or Non-symmetric Rejection
Low insertion loss
Bandwidth from 1% to multi-octave
Stopbands up to 20*Fc
Compact size
Optional Group Delay Equalization
Specifications
| Model no. | Center Frequency [MHz] | 1dB Bandwidth [MHz] | Insertion Loss [dB] | VSWR | Lower Stopband from DC to [MHz] | Upper Stopband from [MHz] |
Upper Stopband to [MHz]
|
Rejection[dB] | Power [W] |
|---|---|---|---|---|---|---|---|---|---|
| FBL5-2-0.2 | 2.0 | 0.35 | 1.3 | 1.5:1 | 1.3 | 2.9 | 120 | 60 | 100 |
| FBL5-3.7-0.6 | 3.7 | 0.8 | 1.0 | 1.5:1 | 2.3 | 5.3 | 120 | 60 | 100 |
| FBL11-5-4-100W | 5.0 | 4.0 | 0.8 | 1.5:1 | 2.0 | 8.0 | 100 | 60 | 100 |
| FBL7-5-2-400W | 5.0 | 2.0 | 0.8 | 1.5:1 | 2.5 | 7.5 | 150 | 60 | 400 |
| FBL4-6.9-0.4 | 6.9 | 0.6 | 1.4 | 1.5:1 | 5.0 | 9.2 | 240 | 60 | 100 |
| FBL5-8.25-0.5 | 8.25 | 0.9 | 1.3 | 1.5:1 | 6.4 | 10.4 | 190 | 60 | 100 |
| FBL7-10-4-100W | 10.0 | 4.0 | 0.8 | 1.5:1 | 5.0 | 15.0 | 250 | 60 | 100 |
| FBL5-10.35-0.7 | 10.35 | 1.1 | 1.2 | 1.5:1 | 8.1 | 12.9 | 250 | 60 | 100 |
| FBL5-13.6-1.3 | 13.6 | 1.7 | 1.2 | 1.5:1 | 10 | 18 | 300 | 60 | 100 |
| FBL7-41-18 | 41 | 18 | 0.9 | 1.5:1 | 22 | 62 | 2500 | 60 | 50 |
| FBL5-43-6 | 43 | 6 | 1.3 | 1.5:1 | 30 | 60 | 1000 | 60 | 30 |
| FBL7-73-27 | 73 | 27 | 0.9 | 1.5:1 | 44 | 104 | 2000 | 60 | 50 |
| FBL7-155-38 | 155 | 38 | 1.2 | 1.5:1 | 100 | 200 | 1500 | 60 | 5 |
| FBL21-225-250 | 225 | 250 | 0.7 | 1.5:1 | 70 | 400 | 1700 | 60 | 1 |
| FBL7-230-60 | 230 | 60 | 1.2 | 1.5:1 | 160 | 300 | 1400 | 60 | 30 |
| FBL5-245-10 | 245 | 12 | 2.5 | 1.5:1 | 215 | 270 | 1500 | 60 | 30 |
| FBL12-310-80 | 310 | 75 | 1.5 | 1.5:1 | 250 | 370 | 2000 | 60 | 30 |
| FBL13-315-175 | 315 | 175 | 1.0 | 1.5:1 | 180 | 430 | 2000 | 60 | 150 |
| FBL5-333-215-150W | 333 | 230 | 0.45 | 1.5:1 | 140 | 550 | 1500 | 40 | 5 |
| FBL6-350-120 | 350 | 120 | 0.5 | 1.5:1 | 150 | 550 | 6000 | 60 | 30 |
| FBL7-450-40 | 450 | 42 | 1.5 | 1.5:1 | 400 | 500 | 2100 | 60 | 1 |
| FBL8-460-20 | 460 | 15 | 4.0 | 1.5:1 | 430 | 490 | 3000 | 80 | 1 |
| FBL13-1200-800 | 1200 | 680 | 1.2 | 1.5:1 | 600 | 1800 | 3700 | 60 | 1 |
| FBL7-1325-250 | 1325 | 230 | 1.3 | 1.5:1 | 1000 | 1600 | 2800 | 60 | 1 |
| FBL17-3000-2000 | 3000 | 2000 | 1.5 | 1.5:1 | 1600 | 4750 | 13000 | 50 | 5 |
| FBL13-3000-4000 | 3000 | 4000 | 0.8 | 1.5:1 | 500 | 6600 | 13000 | 60 | 1 |
