Highpass Filters
Knowles Highpass Filters are microwave components designed to block low-frequency signals while passing higher frequencies from 0.8 GHz to 67 GHz.
Manufacturers:
Series Products
Product Overview
Features
- Frequency range: 0.8 GHz to 67 GHz
- Bandwidth options: 1% to 100%
- Thin-film microstrip construction on ceramic substrates
- Surface mount and wirebond configurations
- Characteristic impedance: 50Ω
- Operating temperature: −55°C to +125°C
- MIL-STD-202 environmental compliance
Benefits
- Attenuates unwanted low-frequency interference
- Enables compact RF designs with high-frequency selectivity
- Maintains stable performance across temperature extremes
- Simplifies integration with standard PCB processes
- Supports precision tuning and shielding for noise-sensitive environments
Target Applications
- mmWave front-end modules
- Satellite communications
- Aerospace and defense RF systems
- Telecom base stations
- Microwave signal conditioning