Bandpass Filters
FB4004
8.9 GHz Bandpass Filter
Autonomous & Airborne Vehicles
Radars & Electronic Warfare
Highly selective low-loss 8900 MHz machined cavity filter for RX/TX front-ends of X-band transceivers and radars.
Frequency response
Measured S-parameters — interactive.
S11
→
–
Curve modelled from published specifications — indicative, not a measured trace.
Photos
Drawings
General
| Filter Technology | Machined Cavity |
| Frequency Band | X-Band |
Passband
| Center Frequency | 8900 MHz |
| Passband | 8700–9100 MHz |
| Insertion Loss | 1.2 dB typ / 1.5 dB max |
| Return Loss | 20 dB typ |
Power
| Power Handling | 10 W |
Stopband
| Stopband Attenuation | 40 dB @ DC–8400 MHz; 50 dB @ 9400–18000 MHz |