Features:
- High Stopband Rejection
- Small Size
- Light Weight
- Anti 5G Interference
The waveguide filter is designed based on the waveguide principle and is a high-frequency signal processing device that can perform filtering, separation, synthesis, and other functions. It is commonly used in fields such as microwave communication and radar systems. The structure of a waveguide filter consists of a waveguide tube and a connector, and the output port can be controlled by devices such as RF switches or modulators.
Waveguide devices tend to have higher power handling capabilities than equivalent coaxial technologies because of the way in which the air medium they carry carries the RF energy.
1. In the receiver: By selecting frequencies and filtering out environmental noise and interference frequencies outside the operating bandwidth, the received signal quality is ensured.
2. 2.In the transmitter: suppress out of band power, improve the electromagnetic compatibility characteristics of the system, and avoid interference with other systems.
Waveguide bandpass filters play an important role in multiple fields, including but not limited to wireless communication, audio processing, biomedical signal processing, signal modulation and demodulation, radar systems, image processing, sensor signal processing, audio effectors, and data acquisition systems. These applications demonstrate the importance of waveguide bandpass filters in signal processing and communication systems, helping to improve signal quality and reliability.
Qualwave supplies high stopband rejection waveguide band pass filters cover frequency range 3~40GHz. The waveguide band pass filters are widely used in many applications.
Our waveguide band pass filters has the characteristics of high stopband rejection, small size, light weight and anti 5G Interference.
Part Number |
Passband(GHz, Min.) |
Passband(GHz, Max.) |
Insertion Loss(dB, max.) |
VSWR(Max.) |
Stopband Attenuation(dB) |
Waveguide Size |
Flange |
---|---|---|---|---|---|---|---|
QWBF-3625-4200-40 | 3.625 | 4.2 | 0.8 | 1.35 | -50@3.4GHz, -60@3.5GHz, -45@3.55~3.6GHz, -40@3.6GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
QWBF-3700-4200-45 | 3.7 | 4.2 | 0.5 | 1.35 | -60@3.4GHz, -65@3.5GHz, -65@3.55~3.6GHz, -60@3.6GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
QWBF-3800-4200-45 | 3.8 | 4.2 | 0.5 | 1.35 | -60@3.5GHz, -65@3.6GHz, -60@3.7GHz, -45@4.3GHz, -65@4.5~4.9GHz |
WR-229 (BJ40) | FDM40, FDP40 |
QWBF-7900-8400-90 | 7.9 | 8.4 | 0.4 | 1.2 | 90dB@7.25~7.75GHz min | WR-112 (BJ84) | FBP84 |
QWBF-37760-38260-47 | 37.76 | 38.26 | 0.6 | 1.3 | 50@36GHz, 47@39.3GHz | WR-28 (BJ320) | FBM320 |
QWBF-39060-39560-48 | 39.06 | 39.56 | 0.6 | 1.3 | 48@38.015GHz, 50@41.4GHz | WR-28 (BJ320) | FBM320 |