Карыстальніцкая частата радыёчастотнага палоснага фільтра
Змест
апісанне
Professional RF cavity bandpass filter with low insertion loss, высокая магутнасць апрацоўкі, і выдатнае па-за межамі дыяпазону. Designed for wireless communication, базавыя станцыі, і радыёчастотныя сістэмы. OEM customization supported.
Агляд
The RF Cavity Bandpass Filter is a high-performance passive RF component designed to provide precise frequency selection, excellent interference suppression, and stable signal transmission in professional wireless communication systems. Utilizing advanced cavity resonator technology, this filter ensures low insertion loss within the passband while delivering strong attenuation outside the operating frequency range.
This product series supports multiple frequency bands and is suitable for high-power RF transmission applications up to 100W and above. With a robust metal housing and carefully optimized internal structure, the cavity filter offers outstanding electrical stability, mechanical strength, and long-term reliability under demanding operating conditions.
Compared with conventional LC or ceramic filters, cavity filters provide superior selectivity, higher power handling, and better thermal performance. These advantages make them an ideal solution for base stations, рэтранслятары, RF front-end systems, and industrial wireless communication equipment.
Designed for continuous operation, the RF cavity filter operates reliably over a wide temperature range from -20°C to +60°C. Its low VSWR ensures efficient impedance matching, minimizing signal reflection and improving overall system efficiency. The black metal enclosure provides excellent shielding against electromagnetic interference (EMI), ensuring stable performance in complex RF environments.
This product is manufactured under strict quality control processes and can be customized to meet specific customer requirements, including frequency band, Тып раздыма, узровень магутнасці, and mechanical dimensions.
Асаблівасці
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Нізкая страта ўстаўкі
Internal insertion loss of ≤1.5 dB ensures minimal signal attenuation and high transmission efficiency. -
Excellent Out-of-Band Rejection
Provides strong suppression of unwanted signals to effectively reduce interference and improve signal purity. -
Магчымасць апрацоўкі высокай магутнасці
Supports power capacity of ≥100W, suitable for high-power RF transmission systems. -
Low VSWR Performance
VSWR ≤1.3 ensures good impedance matching and reduced signal reflection. -
Стабільная прадукцыйнасць праходжання
Intraband fluctuation ≤1 dB ensures flat and stable signal transmission within the operating band. -
Шырокі дыяпазон працоўных тэмператур
Reliable operation from -20°C to +60°C, suitable for indoor and outdoor environments. -
Robust Metal Housing
Precision-machined metal cavity with black finish provides durability and excellent EMI shielding. -
Professional RF Interfaces
Equipped with high-quality RF connectors to ensure stable and secure signal connections. -
Надзейнасць прамысловага ўзроўню
Designed for long-term continuous operation in demanding communication systems.
Тэхнічныя характарыстыкі
| параметр | 300–500 MHz Model | 700–1000 MHz Model | 1300–1500 MHz Model |
|---|---|---|---|
| Тып фільтра | RF Cavity Bandpass Filter | RF Cavity Bandpass Filter | RF Cavity Bandpass Filter |
| Passband Frequency (МГц) | 300–500 | 700–1000 | 1300–1500 |
| Страта ўстаўкі (дэцыбел) | ≤ 1.5 | ≤ 1.5 | ≤ 1.5 |
| Intraband Ripple (дэцыбел) | ≤ 1 | ≤ 1 | ≤ 1 |
| Не па-за межамі дыяпазону адмова | ≥40 dB @ DC–100 MHz ≥40 dB @ 700–3000 MHz |
≥40 dB @ DC–500 MHz ≥40 dB @ 1300–3000 MHz |
≥50 dB @ DC–1000 MHz ≥50 dB @ 1800–3000 MHz |
| КСВ | ≤ 1.3 | ≤ 1.3 | ≤ 1.3 |
| Апрацоўка электраэнергіі | ≥ 100 W | ≥ 100 W | ≥ 100 W |
| Працоўная тэмпература | -20° С да +60 ° С | -20° С да +60 ° С | -20° С да +60 ° С |
| Уваходны раздым | High-quality RF Connector | High-quality RF Connector | High-quality RF Connector |
| Выхадны раздым | High-quality RF Connector | High-quality RF Connector | High-quality RF Connector |
| Housing Color | чорны | чорны | чорны |
| Будаўніцтва | Metal Cavity Structure | Metal Cavity Structure | Metal Cavity Structure |
| External Dimensions | наладжвальны | наладжвальны | наладжвальны |
прыкладанняў
The RF Cavity Bandpass Filter is widely used in a variety of wireless and RF communication systems, уключаючы:
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Wireless Base Stations
Improves signal selectivity and suppresses unwanted interference. -
RF Repeaters and Signal Boosters
Ensures clean signal amplification and transmission. -
Public Safety Communication Systems
Падыходзіць для паліцыі, агонь, надзвычайная сітуацыя, and government radio networks. -
Broadcast and RF Transmission Equipment
Reduces harmonics and spurious emissions. -
Industrial Wireless Communication Systems
Used in telemetry, SCADA, і праграмы аддаленага маніторынгу. -
RF Front-End Modules
Enhances overall system performance and stability. -
Выпрабаванні і сістэмы вымярэнняў
Provides accurate filtering in RF laboratories and testing environments.
Параметры налады
We provide flexible OEM and ODM customization services to meet diverse project requirements:
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Налада дыяпазону частоты
Custom passband and stopband frequencies available. -
Power Handling Customization
Designs optimized for higher or lower power levels. -
Connector Type Options
N-тып, вышэйшая школа, DIN, or other RF connectors upon request. -
Mechanical Design Customization
Housing size, mounting method, and layout can be customized. -
Surface Finish & Брэндынг
Custom color, logo engraving, and labeling supported. -
Electrical Performance Optimization
Tailored insertion loss, rejection level, and ripple specifications.
Our experienced engineering team works closely with customers to deliver reliable and cost-effective RF solutions.
часта задаюць пытанні
Q1: What is the main function of an RF cavity filter?
An RF cavity filter allows desired frequency signals to pass while suppressing unwanted frequencies, improving signal quality and reducing interference.
Q2: Why choose a cavity filter instead of other RF filters?
Cavity filters offer higher power handling, меншыя ўносяцца страты, better selectivity, and improved thermal stability compared to LC or ceramic filters.
Q3: Can this filter be used for outdoor applications?
ды. It operates reliably between -20°C and +60°C and features a robust metal housing suitable for outdoor installations.
Q4: Is frequency customization available?
ды. Frequency range and rejection characteristics can be customized based on system requirements.
Q5: What is the maximum power this filter can handle?
The standard design supports ≥100W. Higher power designs are available upon request.
Q6: What connector types are supported?
Standard models use high-quality RF connectors. Other connector types can be customized.
Q7: Do you offer OEM or ODM services?
ды. OEM and ODM services including branding, маркіроўка, and mechanical customization are fully supported.



iVcan.com –
I have been using this RF cavity filter in our communication system for several months, І я вельмі ўражаны яго выступленнем. The signal transmission is exceptionally clean with minimal insertion loss, and it effectively suppresses unwanted interference. The filter’s high power handling capability allows it to operate reliably under demanding conditions, and the build quality is excellent with a sturdy metal housing. It has significantly improved the stability and efficiency of our RF system, and I would highly recommend it to anyone looking for a reliable, high-performance RF filter solution.