Best Multi Band RF Bandpass Filters L S C 50-100w Power High Stopband Rejection Low Insertion Loss Industrial & Satellite Communication Grade
Table of Contents
Genel Bakış:
Bizim Multi-Band RF Bandpass Filters are precision-engineered components designed to meet the demanding requirements of modern RF systems across multiple frequency bands, içermek L-bandı (1150 MHz), S-bandı (1710 MHz), C-bandı (2310 MHz), and extended bands such as 1400 MHz. These filters provide precise passband control, low insertion loss, high return loss, and superior stopband rejection, ensuring high-fidelity signal transmission and reception in complex RF environments.
Design Philosophy
The design of these filters focuses on optimizing signal integrity while minimizing interference from unwanted frequencies. Each filter is constructed using 6061 aluminum alloy housings for mechanical robustness, H59 copper resonant columns for precise frequency response, and LY12 aluminum covers to ensure structural stability. Connector assemblies use H59 copper with ternary plating, and tuning screws are made from H62 copper, all complemented by stainless steel mounting screws for corrosion resistance and durability.
Operating Environment
These filters are designed to operate reliably in temperatures ranging from -30°C ila +70°C, making them suitable for harsh outdoor environments, industrial facilities, and high-altitude installations. The compact and lightweight form factor (170–180 × 36 × 25–30 mm; 350 g) allows easy integration into existing RF systems, whether mounted on a rack, bench, or within equipment enclosures.
Güç Kullanımı
Depending on the model, these filters can handle 50 Bunun içine 100 W of RF power, making them suitable for medium-power systems, including satellite communication uplinks and radar transmitters.
Connector Standardization
All models feature 50 Ω empedans and N-Female connectors, ensuring compatibility with standard RF equipment and systems.
These filters are widely used in applications where signal purity, sistem güvenilirliği, and interference suppression are critical, including satellite communication, radar, telecommunications, industrial RF systems, and R&D laboratories.
Özellikler
- Multi-Band Frequency Coverage:
- L-bandı: 1150 MHz (passband: 1100–1200 MHz)
- S-bandı: 1710 MHz (passband: 1660–1760 MHz)
- C-bandı: 2310 MHz (passband: 2260–2360 MHz)
- Extended band: 1400 MHz (passband: 1350–1450 MHz)
These filters can also be customized for intermediate frequencies or other ranges upon request.
- Düşük Ekleme Kaybı: ≤1.2 dB across the passband, ensuring minimal signal attenuation and maintaining high system efficiency.
- High Return Loss: ≥23 dB, providing excellent impedance matching and reducing signal reflections for stable RF performance.
- Exceptional Stopband Rejection:
- L-bandı: ≥120 dB @ DC–800 MHz, ≥80 dB @ 800–950 MHz, ≥80 dB @ 1350–1500 MHz, ≥120 dB @ 1500–2000 MHz
- S-bandı: ≥120 dB @ DC–1350 MHz, ≥80 dB @ 1350–1500 MHz, ≥80 dB @ 1920–2070 MHz, ≥120 dB @ 2070–2500 MHz
- C-bandı: ≥120 dB @ DC–1860 MHz, ≥80 dB @ 1860–2060 MHz, ≥80 dB @ 2560–2760 MHz, ≥120 dB @ 2760–3500 MHz
- Extended band: ≥120 dB @ DC–1050 MHz, ≥80 dB @ 1050–1200 MHz, ≥80 dB @ 1600–1750 MHz, ≥120 dB @ 1750–2200 MHz
High stopband rejection ensures unwanted signals are effectively blocked, improving the signal-to-noise ratio in RF systems.
- Durable Construction:
- Konut: 6061 alüminyum alaşımı
- Resonant columns: H59 copper alloy
- Cover: LY12 aluminum alloy
- Connectors: H59 copper with ternary plating
- Tuning screws: H62 copper alloy
- Other screws: stainless steel
The robust materials ensure long-term reliability in harsh environments, including outdoor, high-vibration, or high-humidity conditions.
- Wide Operating Temperature Range: -30°C to +70°C for industrial and outdoor applications.
- Kompakt ve Hafif Tasarım: Dimensions from 170 × 36 × 30 mm ila 180 × 30 × 25 mm; net ağırlığı 350 g.
- Standardized Connectors: N-Female connectors and 50 Ω impedance for easy integration.
- Özelleştirilebilir Seçenekler: Frequency, passband, stopband rejection, power handling, konnektörler, and dimensions can all be tailored to customer requirements.
- Çok Yönlü Uygulamalar: Suitable for satellite communication, radar, telecom infrastructure, industrial RF, and R&D laboratories.
Özellikler (Multi-Band Models Combined)
| Parametre | 1150 MHz (L-Band) | 1400 MHz (Extended Band) | 1710 MHz (S-Band) | 2310 MHz (C-Band) |
|---|---|---|---|---|
| Merkez Frekansı (F0) | 1150 MHz | 1400 MHz | 1710 MHz | 2310 MHz |
| Passband Frequency | 1100–1200 MHz | 1350–1450 MHz | 1660–1760 MHz | 2260–2360 MHz |
| Passband Insertion Loss | ≤1.2 dB | ≤1.2 dB | ≤1.2 dB | ≤1.2 dB |
| Passband Ripple | ≤0.6 dB | ≤0.6 dB | ≤0.6 dB | ≤0.6 dB |
| İade Kaybı | ≥23 dB | ≥23 dB | ≥23 dB | ≥23 dB |
| Stopband Rejection | ≥120 dB @ DC–800 MHz ≥80 dB @ 800–950 MHz ≥80 dB @ 1350–1500 MHz ≥120 dB @ 1500–2000 MHz |
≥120 dB @ DC–1050 MHz ≥80 dB @ 1050–1200 MHz ≥80 dB @ 1600–1750 MHz ≥120 dB @ 1750–2200 MHz |
≥120 dB @ DC–1350 MHz ≥80 dB @ 1350–1500 MHz ≥80 dB @ 1920–2070 MHz ≥120 dB @ 2070–2500 MHz |
≥120 dB @ DC–1860 MHz ≥80 dB @ 1860–2060 MHz ≥80 dB @ 2560–2760 MHz ≥120 dB @ 2760–3500 MHz |
| Empedans | 50 Ah | 50 Ah | 50 Ah | 50 Ah |
| Güç Kullanımı | 50 W | 50 W | 50 W | 100 W |
| Connectors | N-Dişi | N-Dişi | N-Dişi | N-Dişi |
| Surface Finish | Painted Black | Painted Black | Painted Black | Painted Black |
| Sıcaklık Aralığı | -30°C ~ +70°C | -30°C ~ +70°C | -30°C ~ +70°C | -30°C ~ +70°C |
| Muhafaza Malzemesi | 6061 Alüminyum Alaşım | 6061 Alüminyum Alaşım | 6061 Alüminyum Alaşım | 6061 Alüminyum Alaşım |
| Resonant Column Material | H59 Copper Alloy | H59 Copper Alloy | H59 Copper Alloy | H59 Copper Alloy |
| Cover Material | LY12 Aluminum Alloy | LY12 Aluminum Alloy | LY12 Aluminum Alloy | LY12 Aluminum Alloy |
| Connector Material | H59 Copper, Plated Ternary Alloy | H59 Copper, Plated Ternary Alloy | H59 Copper, Plated Ternary Alloy | H59 Copper, Plated Ternary Alloy |
| Tuning Screw Material | H62 Copper Alloy | H62 Copper Alloy | H62 Copper Alloy | H62 Copper Alloy |
| Other Screws | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| Dimensions (mm) | 170 × 36 × 30 | 170 × 36 × 30 | 170 × 36 × 30 | 180 × 30 × 25 |
| Net ağırlığı | 350 g | 350 g | 350 g | 350 g |
Uygulamalar
- Satellite Communication Systems:
- Ensures precise passband selection for uplink and downlink signals.
- Minimizes interference from adjacent channels or out-of-band noise.
- Applicable to L-, S-, and C-band satellites.
- Radar Sistemleri:
- Maintains signal integrity by blocking unwanted reflections and harmonics.
- Supports L-, S-, and C-band radar systems for military, hava durumu, or navigation applications.
- Telecommunication Infrastructure:
- Improves channel isolation in base stations, tekrarlayıcılar, and communication hubs.
- Reduces adjacent channel interference for high-fidelity RF transmission.
- Industrial RF Systems:
- Suitable for signal conditioning in automated factories, industrial telemetry, and wireless control systems.
- Research and Development Laboratories:
- Provides precise, stable passbands for RF experimentation, prototip oluşturma, ve test etme.
- Enables filter characterization, signal testing, and interference suppression studies.
- High-Fidelity Signal Processing:
- Supports applications requiring clean signals, such as high-resolution spectroscopy or advanced RF measurement systems.
Özelleştirme Seçenekleri
- Frequency Adjustment: Passband and center frequency can be customized across 800 MHz'den 3.5 GHz.
- Power Handling Options: Custom models up to 200 W are available for high-power systems.
- Connector Selection: SMA, BNC, or other RF connectors can replace standard N-Female connectors.
- Mekanik Boyutlar: Filters can be resized to meet integration requirements for compact or rack-mounted systems.
- Surface Finish Options: Painted, anodized, or corrosion-resistant coatings available.
- Sıcaklık Aralığı: Extended temperature designs for extreme outdoor or industrial environments.
- Customized Stopband Requirements: Customers can specify particular stopband rejection thresholds or frequency ranges.
- Integrated Assemblies: Filters can be supplied as part of a fully integrated RF front-end module with additional components.
FAQ:
Q1: What is the purpose of these RF bandpass filters?
A1: They allow desired RF signals within specific passbands to pass while suppressing out-of-band signals, ensuring high-fidelity signal transmission and minimal interference.
2. Çeyrek: What are the power handling capabilities?
A2: Standard power handling ranges from 50 Bunun içine 100 W, depending on the frequency band. Custom high-power models up to 200 W are available.
3. Çeyrek: Are these filters suitable for outdoor installations?
A3: Evet, with robust aluminum housing, copper resonant columns, and a temperature range of -30°C ila +70°C, they are ideal for outdoor and industrial use.
4. Çeyrek: Which connectors are used?
A4: Standard N-Female connectors are used. SMA, BNC, or custom connectors are available on request.
S5: Can the passband or center frequency be customized?
A5: Evet, the filters can be customized for center frequency, passband width, stopband rejection, and mechanical dimensions to meet your specific requirements.
S6: Why is stopband rejection important?
A6: High stopband rejection prevents interference from unwanted frequencies, enhancing the signal-to-noise ratio and ensuring reliable communication.
S7: How durable are these filters?
A7: The filters are built with high-quality aluminum and copper alloys, providing mechanical strength, thermal stability, and long-term reliability in harsh environments.
S8: Can multiple frequency variants be listed together?
A8: Evet, all frequency variants (1150 MHz, 1400 MHz, 1710 MHz, 2310 MHz, and other extended bands) are combined for easy comparison and selection.
S9: Are these filters compatible with standard RF systems?
A9: Evet, all filters are designed for 50 Ω empedans and standard N-Female connectors, ensuring seamless integration into existing RF setups.
S10: Can these filters be used for research and development?
A10: Kesinlikle. Their precise passband control, low insertion loss, and high stopband rejection make them ideal for RF prototyping, testing, and experimental applications.
