Overview
The LFCN-1000+ from Mini-Circuits is a Low Pass Filter (LPF) designed for applications requiring high-frequency filtering up to 1000 MHz. This component is constructed using Low Temperature Co-fired Ceramic (LTCC) technology, ensuring excellent performance and reliability. The filter is optimized for 50Ω impedance and features a compact size, making it suitable for various electronic systems.
Key Specifications
| Parameter | Frequency (MHz) | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Pass Band Insertion Loss | DC - 1000 | - | - | 1.0 | dB |
| Frequency Cut-Off (F2) | 1300 | - | - | 3.0 | dB |
| VSWR (Pass Band) | DC - 1000 | - | 1.3 | - | :1 |
| Rejection Loss (F3) | 1550 | 20 | - | - | dB |
| Rejection Loss (F4-F5) | 1900 - 5000 | - | - | 30 | dB |
| Operating Temperature | - | -55°C | - | 100°C | °C |
| Storage Temperature | - | -55°C | - | 100°C | °C |
| RF Power Input (max at 25°C) | - | - | - | 10W | W |
Key Features
- Excellent power handling of up to 10W at 25°C
- Compact size, suitable for space-constrained applications
- 7-section filter design for enhanced performance
- Temperature stable operation
- LTCC construction for reliability and durability
- Protected by U.S. Patent 6,943,646
Applications
- Harmonic rejection in RF systems
- VHF/UHF transmitters and receivers
- Laboratory use for signal filtering
Q & A
- What is the frequency range of the LFCN-1000+ Low Pass Filter? The LFCN-1000+ operates from DC to 1000 MHz.
- What is the impedance of the LFCN-1000+? The filter is optimized for 50Ω impedance.
- What is the maximum RF power input for the LFCN-1000+ at 25°C? The maximum RF power input is 10W at 25°C.
- What is the operating temperature range of the LFCN-1000+? The operating temperature range is -55°C to 100°C.
- What type of construction is used for the LFCN-1000+? The filter is constructed using Low Temperature Co-fired Ceramic (LTCC) technology.
- What are some common applications of the LFCN-1000+? Common applications include harmonic rejection, VHF/UHF transmitters and receivers, and laboratory use.
- How many sections does the LFCN-1000+ filter have? The filter has a 7-section design.
- Is the LFCN-1000+ protected by any patents? Yes, it is protected by U.S. Patent 6,943,646.
- What is the recommended PCB layout for the LFCN-1000+? A suggested PCB layout is provided in the datasheet, with tolerances to be within ±0.002 inches.
- Are there any specific assembly guidelines for the LFCN-1000+? Yes, guidelines for surface mount assembly and reflow soldering are available in the application notes provided by Mini-Circuits.
