WR75 Waveguide Bandpass Filter (BPF)
Dolph WR75 Waveguide Bandpass Filter (BPF) delivers high-performance signal filtering in 12.75–14.50 GHz with ≤0.2 dB insertion loss, 70 dB rejection (10–12.2 GHz), and 1.2:1 VSWR. Ideal for radar, satellite, and 5G systems, it handles 500W CW in a compact 70×40×38 mm aluminum housing.
The Dolph WR75 Waveguide Bandpass Filter (BPF) is a high-performance microwave filter designed for precise signal filtering in critical communication and radar applications. Engineered with superior materials and advanced manufacturing techniques, this filter ensures minimal insertion loss, high rejection, and excellent signal integrity across the 12.75–14.50 GHz frequency range. Its robust construction and optimized electrical performance make it ideal for demanding environments, including satellite communications, defense systems, and wireless infrastructure.
Key Features
High Rejection Capability: Provides 70 dB suppression in the 10.00–12.20 GHz range, ensuring superior out-of-band signal attenuation.
Low Insertion Loss: ≤0.2 dB insertion loss maximizes signal transmission efficiency.
Excellent VSWR: 1.2:1 Voltage Standing Wave Ratio minimizes signal reflections for optimal power transfer.
High Power Handling: Supports 500 Watts CW, making it suitable for high-power applications.
Stable Group Delay: <8 ns group delay variation ensures minimal signal distortion.
Durable Construction: Precision-machined aluminum (AI) body with chromate conversion coating for corrosion resistance.
Compact & Lightweight: Measures just 70×40×38 mm and weighs <300g, enabling easy integration into tight spaces.
Application Areas
Satellite & Space Communication: Ensures clean signal filtering in uplink/downlink systems.
Radar & Defense Systems: Enhances target detection by eliminating interference in X-band radar applications.
Wireless & 5G Infrastructure: Improves signal clarity in high-frequency backhaul and microwave links.
Test & Measurement Equipment: Provides accurate frequency selection in lab and field testing setups.
Aerospace & Avionics: Supports reliable communication and navigation systems in harsh environments.
Technical Specifications
Category | Specification |
|---|---|
Model | DH-120WBPF12.75T14.5PMA70 |
Passband Frequency | 12.75–14.50 GHz |
Rejection (Out-of-Band) | 70 dB @ 10.00–12.20 GHz |
VSWR | ≤1.2:1 |
Insertion Loss | ≤0.2 dB (Max) |
Power Handling | 500 Watts (CW) |
Group Delay Variation | <8 ns (Typical) |
Waveguide Type | WR75 |
Flange Type | FBP120 / FBM120 |
Material | Aluminum (AI) |
Internal Finish | Chromate Conversion |
External Finish | Anti-Corrosion Grey Paint |
Dimensions (L×W×H) | 70×40×38 mm |
Weight | <300g |
Elevating Microwave Communication
The Dolph WR75 Waveguide Bandpass Filter sets a new standard in microwave filtering technology, delivering exceptional signal purity, rugged durability, and high power efficiency. Its low-loss design and superior rejection make it an essential component for mission-critical applications where signal integrity is paramount. Whether for commercial, military, or scientific use, this filter ensures reliable performance under demanding conditions, making it the ideal choice for engineers seeking precision and reliability in microwave systems.
