Overview
The LFCN-1700D+ is a low pass filter designed and manufactured by Mini-Circuits. This component is part of Mini-Circuits' extensive range of RF and microwave components. The LFCN-1700D+ is characterized by its excellent power handling, small size, and temperature stability, making it suitable for various high-frequency applications. It is constructed using Low Temperature Co-fired Ceramic (LTCC) technology, which ensures high reliability and performance across a wide range of frequencies.
Key Specifications
| Parameter | Frequency (MHz) | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Passband Insertion Loss | DC - 1700 | - | - | 1.0 dB | dB |
| Frequency Cut-Off (F2) | 2050 | - | - | 3.0 dB | dB |
| VSWR (DC - F1) | DC - 1700 | - | 1.2 | - | :1 |
| Stop Band Rejection Loss (F3) | 2375 | 20 | - | - | dB |
| Stop Band Rejection Loss (F4-F5) | 2500 - 6500 | - | 30 | - | dB |
| Stop Band Rejection Loss (F6) | 7000 | - | 20 | - | dB |
| Operating Temperature | - | -55°C | - | 100°C | °C |
| RF Power Input | - | - | - | 10 W | W |
| DC Voltage at Pins 1&3 | - | - | - | 25 VDC | VDC |
| DC Current Input to Output | - | - | - | 0.5 A | A |
Key Features
- Excellent Power Handling: The LFCN-1700D+ can handle up to 10W of RF power at 25°C, making it suitable for high-power applications.
- Small Size: The component is designed in a compact FV1206 case style, which is beneficial for space-constrained designs.
- Temperature Stability: The filter operates reliably over a wide temperature range from -55°C to 100°C.
- LTCC Construction: Built using Low Temperature Co-fired Ceramic technology, ensuring high reliability and performance.
- Protected by U.S. Patent: The design is protected by U.S. Patent 6,943,646, reflecting its innovative and proprietary technology.
Applications
- Harmonic Rejection: Effective in rejecting harmonics in various RF systems.
- VHF/UHF Transmitters/Receivers: Suitable for use in VHF and UHF communication systems.
- Lab Use: Often used in laboratory settings for testing and development of RF circuits.
Q & A
- What is the frequency range of the LFCN-1700D+ low pass filter?
The LFCN-1700D+ operates from DC to 1700 MHz.
- What is the typical insertion loss in the passband?
The typical insertion loss in the passband is up to 1.0 dB.
- What is the VSWR in the passband?
The VSWR in the passband is typically 1.2:1.
- What is the maximum RF power input?
The maximum RF power input is 10W at 25°C.
- What is the operating temperature range?
The operating temperature range is from -55°C to 100°C.
- Is the LFCN-1700D+ RoHS compliant?
- What is the construction material of the LFCN-1700D+?
The LFCN-1700D+ is constructed using Low Temperature Co-fired Ceramic (LTCC) technology.
- What are some common applications of the LFCN-1700D+?
- What is the maximum DC voltage at pins 1&3?
The maximum DC voltage at pins 1&3 is 25 VDC.
- What is the maximum DC current input to output?
The maximum DC current input to output is 0.5 A at 25°C.
