LFCN-630+ Low Pass LTCC Filter: High Performance for RF Applications | Mini-Circuits
LFCN-630+ Low Pass LTCC Filter: High Performance for Your RF Applications
The LFCN-630+ from Mini-Circuits is a premium-grade, surface-mount, low-pass filter engineered to deliver exceptional performance in modern radio frequency (RF) applications. This advanced LTCC (Low-Temperature Co-Fired Ceramic) filter operates seamlessly across the DC to 630 MHz frequency spectrum, making it an indispensable component for systems requiring precise frequency control and high signal integrity.
Comprehensive Product Overview
Mini-Circuits' LFCN-630+ represents the cutting edge in filter technology, combining innovative design with robust construction to meet the demanding requirements of today's RF systems. This filter is particularly effective in applications where unwanted high-frequency noise needs to be eliminated while maintaining signal purity in the desired frequency band.
Detailed Technical Specifications
- Manufacturer Part Number: LFCN-630+
- Manufacturer: Mini-Circuits
- Description: LTCC LOW PASS FILTER, DC - 630 MHz
- Category: Filters > Ceramic Filters
- Product Status: Active and in production
- Cutoff Frequency (-3dB): 830 MHz
- Insertion Loss: 1.2 dB typical
- Impedance: 50 Ohms
- Power Handling: +30 dBm
- Operating Temperature: -55 C to +125 C
Advanced Frequency Characteristics
The LFCN-630+ offers exceptional frequency response characteristics, with a sharp roll-off beginning at 630 MHz and reaching -3dB at 830 MHz. This precise cutoff ensures effective attenuation of unwanted high-frequency signals while maintaining excellent passband performance. The filter's amplitude flatness in the passband is typically 0.5 dB, ensuring minimal signal distortion.
Superior Impedance Matching
Engineered with a precise 50 Ohm characteristic impedance, the LFCN-630+ provides optimal matching for standard RF systems. This careful impedance matching minimizes signal reflections and maximizes power transfer efficiency, which is particularly crucial in sensitive receiver applications and high-power transmission systems.
Exceptional Insertion Loss Performance
With an industry-leading insertion loss of just 1.2 dB, the LFCN-630+ ensures minimal signal attenuation in the passband. This low loss characteristic makes it ideal for applications where signal strength preservation is critical, such as in low-noise amplifiers (LNAs) and receiver front-ends.
Robust Filter Design
As a low-pass filter, the LFCN-630+ provides excellent rejection of frequencies above its cutoff point. The typical rejection characteristics include:
- >20 dB attenuation at 1.2 GHz
- >30 dB attenuation at 1.5 GHz
- >40 dB attenuation at 2.0 GHz
Compact Surface Mount Package
The LFCN-630+ utilizes advanced surface mount technology with a compact 4-SMD, no-lead package. Key package dimensions include:
- Length: 0.126" (3.20 mm)
- Width: 0.063" (1.60 mm)
- Height: 0.037" (0.94 mm)
This ultra-compact form factor makes the filter ideal for space-constrained applications while maintaining excellent thermal performance and reliability.
Applications
The LFCN-630+ finds application in numerous RF systems, including:
- Wireless Communication Systems: Cellular base stations, small cells, and repeaters
- Test and Measurement Equipment: Spectrum analyzers, signal generators
- Military and Aerospace: Radar systems, avionics, secure communications
- IoT Devices: Smart sensors, wireless modules
- Broadcast Equipment: TV and radio transmission systems
Design Considerations
When implementing the LFCN-630+ in your design, consider the following:
- Ensure proper PCB layout with adequate ground planes
- Maintain 50 Ohm transmission lines to and from the filter
- Consider thermal management for high-power applications
- Account for the filter's group delay in timing-sensitive systems
Quality and Reliability
Mini-Circuits designs and manufactures the LFCN-630+ to meet stringent quality standards. The filter undergoes rigorous testing to ensure:
- Excellent performance consistency across temperature variations
- High reliability in harsh environmental conditions
- Long operational lifespan
Ordering Information
The LFCN-630+ is available through authorized Mini-Circuits distributors. Typical lead times are 2-4 weeks for standard quantities. The filter is supplied in tape and reel packaging for automated assembly, with minimum order quantities typically starting at 100 pieces.
Conclusion
The LFCN-630+ from Mini-Circuits represents the pinnacle of low-pass filter technology, offering exceptional performance in a compact, surface-mount package. Its combination of low insertion loss, sharp cutoff characteristics, and excellent power handling makes it the ideal choice for demanding RF applications across multiple industries.
For engineers and designers seeking to optimize their RF systems' performance, the LFCN-630+ provides a reliable, high-performance filtering solution that meets the most stringent requirements. Its proven design and Mini-Circuits' reputation for quality ensure that this filter will deliver consistent, reliable performance in even the most challenging applications.
To purchase the LFCN-630+ or request additional technical information, contact Mini-Circuits or visit their official website today. Experience the difference that premium RF components can make in your next design project.