فیلتر باند گذر حفره رابط فرکانس قابل تنظیم برای سیستم RF

• High-Performance Cavity Bandpass Filter for RF Systems – Custom Frequency and Bandwidth Options

• RF Cavity Filter with Low Insertion Loss and Excellent Out-of-Band Rejection

• Professional RF Bandpass Filter – Precision Tuning and High Power Handling up to 100W

Customizable Frequency Interface Cavity Bandpass Filter for RF Systems

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نمای کلی

این Cavity Bandpass Filter with a customizable frequency interface is a high-performance RF filter designed for professional wireless communication, تله متری, and signal processing systems that demand superior selectivity and stability.
Engineered with precision-machined cavity resonators, this filter provides excellent frequency control, low insertion loss, و high out-of-band rejection, making it ideal for applications in mission-critical RF links, including drone video transmission, wireless surveillance, public safety communications, and base station signal conditioning.

با یک center frequency of 320 مگاهرتز و bandwidth between 8–10 MHz, this bandpass filter ensures clean signal transmission within the passband while effectively suppressing unwanted frequencies outside the desired range.
آن rugged cavity structure و SMA-50K RF connectors guarantee mechanical stability and reliable electrical performance even under varying environmental conditions. The design also supports customizable center frequencies and bandwidths to meet specific system integration requirements.

This model exemplifies the advantages of cavity filter technology—high power handling, excellent temperature stability, and low loss performance—making it a trusted choice for professional RF engineers and system integrators who require dependable filtering performance in compact, durable form factors.

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ویژگی های کلیدی

1. Customizable Frequency Interface

   • Supports customization of center frequency and bandwidth based on customer requirements.

   • Flexible interface options allow seamless integration with various RF front-end systems.

2. Excellent Bandpass Performance

   • فرکانس مرکزی: 320 مگاهرتز (قابل تنظیم).

   • Bandwidth: 8–10 MHz.

   • Optimized cavity design provides sharp roll-off characteristics for precise frequency control.

3. Low Insertion Loss & Ripple

   • Insertion Loss ≤ 1.0 dB ensures minimal signal attenuation.

   • In-Band Ripple ≤ 0.5 dB maintains signal flatness and consistency within the passband.

4. Superior Out-of-Band Rejection

   • ≥ 40 dB attenuation at ± 40 MHz from center frequency effectively eliminates adjacent channel interference.

   • Ensures clean spectral response and improved system signal-to-noise ratio.

5. High Power Handling Capability

   • Rated for up to 100 W RF power, suitable for medium- to high-power transmission systems.

   • Stable under continuous operation, with robust cavity design preventing thermal drift.

6. Excellent VSWR Performance

   • VSWR ≤ 1.2 ensures efficient power transfer and minimal signal reflection.

   • Ideal for impedance-matched RF circuits.

7. Rugged Construction and Durability

   • Aluminum alloy housing provides high mechanical strength and excellent shielding effectiveness.

   • Withstands vibration, impact, and harsh environmental conditions.

8. Stable Operation Over Wide Temperature Range

   • دمای عملیاتی: -35 درجه سانتی گراد تا +65 درجه سانتی گراد.

   • Maintains consistent electrical performance across varying temperature conditions.

9. Compact and Easy to Integrate

   • Dimensions: 199 × 120 × 35 میلی متر.

   • SMA-50K connectors provide secure and reliable RF connections.

   • Compact design suitable for rack-mounted, سوار بر وسیله نقلیه, or airborne equipment.

10. Tailored for Professional Applications

    • Designed to meet demanding requirements in COFDM video transmission, wireless command systems, and military-grade communication devices.

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مشخصات فنی

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برنامه های کاربردی

This cavity bandpass filter is widely used in:

• COFDM Wireless Video Transmission Systems – Ensures stable image transmission and reduces co-channel interference.

• Drone and UAV Communication Links – Provides reliable frequency isolation for telemetry and video downlink.

• Base Station RF Systems – Filters and conditions transmit/receive channels to maintain high-quality signals.

• Wireless Repeater and Relay Systems – Prevents interference and ensures channel separation between multiple transceivers.

• Public Safety and Military Communication Equipment – Maintains secure and interference-free signal paths in tactical environments.

• RF Test and Measurement – Used as a precision filtering element in laboratory or production line setups.

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Available Options

We offer خدمات سفارشی سازی for various specifications to suit your project needs:

1. Frequency Range:

   • Adjustable from 100 مگاهرتز به 6 GHz depending on application.

2. Bandwidth:

   • Customizable from narrowband (1 مگاهرتز) to wideband (100 MHz or more).

3. نوع رابط:

   • SMA, نوع N, BNC, or other RF interface options available. (Male or Female connector)

4. Power Rating:

   • Configurable for standard (10–50 W) or high-power (تا 200 W) عملیات.

5. Mechanical Form Factor:

   • Available in standard cavity housing, rack-mounted, or PCB-integrated versions.

6. Filter Type:

   • Bandpass, Bandstop, Lowpass, or Highpass versions available upon request.

7. Environmental Options:

   • Hermetically sealed and vibration-resistant versions for airborne or outdoor use.

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Ordering Information & یادداشت ها

هنگام ثبت سفارش, please provide the following details to ensure proper configuration and fast delivery:

1. فرکانس مرکزی (Fo): Specify the desired working frequency (به عنوان مثال, 320 مگاهرتز).

2. Bandwidth (BW): Indicate the required passband width (به عنوان مثال, 8–10 MHz).

3. نوع رابط: Choose SMA, ن, or other preferred interfaces.

4. Power Handling: Specify expected input power level to match the correct design.

5. ابعاد مکانیکی (if custom): Confirm size or mounting requirements.

6. Environmental Conditions: Specify if used outdoors, at high altitude, or under vibration.

7. مقدار & Lead Time: Mention project timeline to ensure production scheduling.

نکته: For optimal system performance, match the filter’s impedance (به طور معمول 50 اوه) with your transmitter and receiver front ends. Avoid overloading beyond the rated 100 W power limit.

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Why Choose Our Cavity Bandpass Filter

• • Precision Engineering: Each filter is fine-tuned with advanced CNC-machined cavity resonators for superior frequency accuracy.

  • Low Loss, High Stability: Optimized design minimizes insertion loss while maintaining phase linearity.

  • Custom Solutions: Tailor-made filters available for unique system architectures and frequency plans.

  • Reliable Quality Control: Every unit undergoes rigorous RF testing for frequency response, VSWR, and rejection performance before shipment.

• Experienced Manufacturing: Developed by a team with over a decade of expertise in COFDM wireless transmission and RF filter design.

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نتیجه گیری

این Customizable Frequency Interface Cavity Bandpass Filter offers a perfect balance between precision, دوام, and adaptability. With its robust construction, low loss, and excellent out-of-band rejection, it stands out as an essential component for any RF communication or telemetry system requiring clean, پایدار, and interference-free signal transmission.

Whether you are building a drone link, لینک دانلود ویدیو, base station, or RF testing setup, this cavity filter delivers the performance and reliability professionals depend on.

پرسش و پاسخ

1. Can you make these filters? 300–500 MHz at 20 W and 100 W; 700–1000 MHz at 20 W and 100 W; 1300–1500 MHz at 20 W

بله, we can design and manufacture RF bandpass filters for you. To provide a correct and precise quotation, please first confirm the following two parameters:

1. What is the out-of-band rejection frequency?

Please specify the frequency range(س) where out-of-band suppression is required, مانند:

• Frequencies below the passband

• Frequencies above the passband

• Any specific interference frequencies that must be rejected

2. How much out-of-band rejection is needed?

Please indicate the required rejection level in دسی بل (به عنوان مثال, 40 دسی بل, 60 دسی بل, یا بالاتر) at the specified out-of-band frequencies.

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