Overview
The LFCN-320D+ is a ceramic low pass filter designed and manufactured by Mini-Circuits. This filter operates from DC to 320 MHz and is characterized by its excellent power handling and compact size. It is constructed using Low Temperature Co-fired Ceramic (LTCC) technology, ensuring temperature stability and high performance. The LFCN-320D+ is protected by U.S. Patent 6,943,646 and is suitable for various RF applications requiring precise frequency filtering.
Key Specifications
| Parameter | Frequency (MHz) | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Passband Insertion Loss | DC - 320 | 1.0 | dB | ||
| Frequency Cut-Off (F2) | 460 | 3.0 | dB | ||
| VSWR (DC - F1) | DC - 320 | 1.2 | :1 | ||
| Stop Band Rejection Loss (F3) | 610 | 20 | dB | ||
| Stop Band Rejection Loss (F4-F5) | 640 - 2500 | 30 | dB | ||
| Stop Band Rejection Loss (F6) | 5300 | 20 | dB | ||
| RF Power Input | 8.5 W | at 25°C | |||
| Max. DC Voltage at pins 1&3 | 25 VDC | ||||
| DC Current Input to Output | 0.5 A | at 25°C | |||
| Operating Temperature | -55°C | 100°C | |||
| Storage Temperature | -55°C | 100°C |
Key Features
- Excellent power handling of up to 8.5 W at 25°C
- Compact size with FV1206 case style
- LTCC construction for temperature stability
- Seven-section filter design
- Protected by U.S. Patent 6,943,646
- Surface mount technology for easy integration
Applications
- Harmonic rejection in RF systems
- VHF/UHF transmitters and receivers
- Space qualified RF filtering applications
- General RF filtering needs where precise frequency control is required
Q & A
- What is the operating frequency range of the LFCN-320D+? The LFCN-320D+ operates from DC to 320 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 maximum RF power input at 25°C? The maximum RF power input at 25°C is 8.5 W.
- What is the maximum DC voltage at pins 1 and 3? The maximum DC voltage at pins 1 and 3 is 25 VDC.
- What is the operating temperature range? The operating temperature range is from -55°C to 100°C.
- What is the storage temperature range? The storage temperature range is from -55°C to 100°C.
- What type of construction is used in the LFCN-320D+? The LFCN-320D+ is constructed using Low Temperature Co-fired Ceramic (LTCC) technology.
- Is the LFCN-320D+ space qualified? Yes, the LFCN-320D+ is space qualified.
- What are the common applications of the LFCN-320D+? Common applications include harmonic rejection, VHF/UHF transmitters and receivers, and general RF filtering needs.
- Is the LFCN-320D+ protected by any patents? Yes, the LFCN-320D+ is protected by U.S. Patent 6,943,646.
