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
ملخص:
ملكنا Multi-Band RF Bandpass Filters are precision-engineered components designed to meet the demanding requirements of modern RF systems across multiple frequency bands, مشتمل الفرقة L (1150 MHz), S-band (1710 MHz), C-band (2310 MHz), and extended bands such as 1400 MHz. These filters provide precise passband control, low insertion loss, high return loss, و superior stopband rejection, ensuring high-fidelity signal transmission and reception in complex RF environments.
فلسفة التصميم
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, و 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 -30درجة مئوية إلى +70 درجة مئوية, making them suitable for harsh outdoor environments, المرافق الصناعية, and high-altitude installations. ال 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.
التعامل مع الطاقة
Depending on the model, these filters can handle 50 W to 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 أوم مقاومة و N-Female connectors, ensuring compatibility with standard RF equipment and systems.
These filters are widely used in applications where signal purity, system reliability, and interference suppression are critical, including satellite communication, رادار, telecommunications, industrial RF systems, and R&D laboratories.
سمات
- Multi-Band Frequency Coverage:
- الفرقة L: 1150 MHz (passband: 1100–1200 MHz)
- S-band: 1710 MHz (passband: 1660–1760 MHz)
- C-band: 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.
- انخفاض فقدان الإدراج: ≤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:
- الفرقة L: ≥120 dB @ DC–800 MHz, ≥80 dB @ 800–950 MHz, ≥80 dB @ 1350–1500 MHz, ≥120 dB @ 1500–2000 MHz
- S-band: ≥120 dB @ DC–1350 MHz, ≥80 dB @ 1350–1500 MHz, ≥80 dB @ 1920–2070 MHz, ≥120 dB @ 2070–2500 MHz
- C-band: ≥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.
- البناء الدائم:
- السكن: 6061 سبائك الألومنيوم
- Resonant columns: H59 copper alloy
- Cover: LY12 aluminum alloy
- موصلات: 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.
- نطاق درجة حرارة التشغيل واسعة: -30°C to +70°C for industrial and outdoor applications.
- تصميم مدمج وخفيف الوزن: Dimensions from 170 × 36 × 30 mm to 180 × 30 × 25 mm; الوزن الصافي 350 g.
- Standardized Connectors: N-Female connectors and 50 Ω impedance for easy integration.
- خيارات قابلة للتخصيص: Frequency, passband, stopband rejection, power handling, الموصلات, and dimensions can all be tailored to customer requirements.
- تطبيقات متعددة الاستخدامات: Suitable for satellite communication, رادار, telecom infrastructure, industrial RF, and R&D laboratories.
تحديد (Multi-Band Models Combined)
| المعلمة | 1150 MHz (إل باند) | 1400 MHz (Extended Band) | 1710 MHz (الفرقة S) | 2310 MHz (سي باند) |
|---|---|---|---|---|
| تردد المركز (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 |
| خسارة العودة | ≥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 |
| مقاومة | 50 أوه | 50 أوه | 50 أوه | 50 أوه |
| التعامل مع الطاقة | 50 W | 50 W | 50 W | 100 W |
| موصلات | ن-أنثى | ن-أنثى | ن-أنثى | ن-أنثى |
| Surface Finish | Painted Black | Painted Black | Painted Black | Painted Black |
| نطاق درجة الحرارة | -30درجة مئوية ~ +70 درجة مئوية | -30درجة مئوية ~ +70 درجة مئوية | -30درجة مئوية ~ +70 درجة مئوية | -30درجة مئوية ~ +70 درجة مئوية |
| مواد الإسكان | 6061 سبائك الألومنيوم | 6061 سبائك الألومنيوم | 6061 سبائك الألومنيوم | 6061 سبائك الألومنيوم |
| 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 |
| الوزن الصافي | 350 g | 350 g | 350 g | 350 g |
التطبيقات
- 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.
- أنظمة الرادار:
- Maintains signal integrity by blocking unwanted reflections and harmonics.
- Supports L-, S-, and C-band radar systems for military, طقس, or navigation applications.
- Telecommunication Infrastructure:
- Improves channel isolation in base stations, الراسبين, 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, النماذج الأولية, والاختبار.
- 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.
خيارات التخصيص
- Frequency Adjustment: Passband and center frequency can be customized across 800 ميغاهيرتز إلى 3.5 غيغاهرتز.
- Power Handling Options: Custom models up to 200 W are available for high-power systems.
- Connector Selection: سما, بي ان سي, or other RF connectors can replace standard N-Female connectors.
- Mechanical Dimensions: Filters can be resized to meet integration requirements for compact or rack-mounted systems.
- Surface Finish Options: Painted, anodized, or corrosion-resistant coatings available.
- نطاق درجة الحرارة: 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:
س1: What is the purpose of these RF bandpass filters?
أ1: They allow desired RF signals within specific passbands to pass while suppressing out-of-band signals, ensuring high-fidelity signal transmission and minimal interference.
Q2: What are the power handling capabilities?
A2: Standard power handling ranges from 50 W to 100 W, depending on the frequency band. Custom high-power models up to 200 W are available.
س3: Are these filters suitable for outdoor installations?
A3: Yes, with robust aluminum housing, copper resonant columns, and a temperature range of -30درجة مئوية إلى +70 درجة مئوية, they are ideal for outdoor and industrial use.
س 4: Which connectors are used?
A4: Standard N-Female connectors are used. سما, بي ان سي, or custom connectors are available on request.
س5: Can the passband or center frequency be customized?
A5: Yes, the filters can be customized for center frequency, passband width, stopband rejection, and mechanical dimensions to meet your specific requirements.
س6: Why is stopband rejection important?
أ6: High stopband rejection prevents interference from unwanted frequencies, enhancing the signal-to-noise ratio and ensuring reliable communication.
س7: How durable are these filters?
أ7: The filters are built with high-quality aluminum and copper alloys, providing mechanical strength, thermal stability, and long-term reliability in harsh environments.
Q8: Can multiple frequency variants be listed together?
أ8: Yes, all frequency variants (1150 MHz, 1400 MHz, 1710 MHz, 2310 MHz, and other extended bands) are combined for easy comparison and selection.
س9: Are these filters compatible with standard RF systems?
A9: Yes, all filters are designed for 50 أوم مقاومة and standard N-Female connectors, ensuring seamless integration into existing RF setups.
س10: Can these filters be used for research and development?
أ10: قطعاً. Their precise passband control, low insertion loss, and high stopband rejection make them ideal for RF prototyping, اختبار, and experimental applications.
