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High Pass Filter

High-pass filters are used to pass low-frequency signals transparently while blocking or attenuating frequency components below a specific cutoff frequency.

High-pass filter has a cutoff frequency, also known as a cutoff threshold. This refers to the frequency at which the filter begins to attenuate the low-frequency signal. For example, a 10MHz high-pass filter will block frequency components below 10MHz.


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Data Sheet

High Pass Filter
Model Frequency Insertion loss Rejection VSWR PDF
                 HPF-1G18A-S 1000-18000 ≤2.0dB ≥60dB@DC-800MHz 2 PDF
                 HPF-1.1G9A-S 1100-9000MHz ≤3.0dB ≥60dB@DC-946MHz 2 PDF
                 HPF-1.2G13A-S 1200-13000MHz ≤2.0dB ≥40dB@DC-960-1010MHz
≥50dB@DC-960MHz
2 PDF
                 HPF-1.5G14A-S 1500-14000MHz ≤1.5dB@1500-1600MHz
≤1.0dB@1600-14000MHz
≥50dB@DC-1170MHz 1.5 PDF
                 HPF-1.6G12.75A-S 1600-12750MHz ≤1.5dB ≥40dB@DC-1100MHz 1.8 PDF
                 HPF-2G18A-S  2000-18000MHz  ≤2.0dB@2000-2250MHz ≥45dB@DC-1800MHz  1.8  PDF 
≤1.0dB@2250-18000MHz
                 HPF-2.4835G18A-S 2483.5-18000MHz ≤2.0dB ≥60dB@DC-1664MHz 2 PDF
                 HPF-2.5G18A-S 2500-18000MHz ≤1.5dB ≥40dB@DC-2000MHz 1.6 PDF
                 HPF-2.65G7.5A-S 2650-7500MHz ≤1.8dB ≥70dB@DC-2450MHz 2 PDF
                 HPF-2.7835G18A-S 2783.5-18000MHz ≤1.8dB ≥70dB@DC-2483.5MHz 2 PDF
                 HPF-3G12.75A-S 3000-12750MHz ≤1.5dB ≥40dB@DC-2700MHz 2 PDF
                 HPF-3G18A-S 3000-18000MHz ≤2.0dB@3000-3200MHz
≤1.4dB@3200-18000MHz
≥40dB@DC-2700MHz 1.67 PDF
                 HPF-3.1G18A-S 3100-18000MHz ≤1.5dB ≥50dB@DC-2480MHz 1.5 PDF
                 HPF-4G18A-S 4000-18000MHz ≤2.0dB@4000-4400MHz
≤1.0dB@4400-18000MHz
≥45dB@DC-3600MHz 1.8 PDF
                 HPF-4.2G12.75A-S 4200-12750MHz ≤2.0dB ≥40dB@DC-3800MHz 2 PDF
                 HPF-4.492G18A-S 4492-18000MHz ≤2.0dB ≥40dB@DC-4200MHz 2 PDF
                 HPF-5G22A-S 5000-22000MHz ≤2.0dB@5000-5250MHz
≤1.0dB@5250-22000MHz
≥60dB@DC-4480MHz 1.5 PDF
                 HPF-5.85G18A-S 5850-18000MHz ≤2.0dB ≥60dB@DC-3919.5MHz 2 PDF
                 HPF-6G18A-S 6000-18000MHz ≤1.0dB ≥50dB@DC-613MHz
≥25dB@2500MHz
1 PDF
                 HPF-6G24A-S 6000-18000MHz ≤1.0dB ≥50dB@DC-613MHz
≥25dB@2500MHz
1.8 PDF
                 HPF-6.5G18A-S 6500-18000MHz ≤2.0dB ≥40@5850MHz
  ≥62@DC-5590MHZ
1.8 PDF
                 HPF-7G18A-S 7000-18000MHz ≤2.0dB ≥40dB@DC-6.5GHZ 2 PDF
                 HPF-8G18A-S 8000-18000MHz ≤2.0dB ≥50dB@DC-6800MHZ 2 PDF
                 HPF-8G25A-S 8000-25000MHz ≤2.0dB@8000-8500MHz
≤1.0dB@8500-25000MHz
≥60dB@DC-7250MHZ 1.5 PDF
                 HPF-8.4G17A-S 8400-17000MHz ≤5.0dB@8400-8450MHz
≤3.0dB@8450-17000MHz
≥85dB@8025MHz-8350MHz 1.5 PDF
                 HPF-11G24A-S 11000-24000MHz ≤2.5dB ≥60dB@DC-6000MHz
 ≥40dB@6000-9000MHz
1.8 PDF
                 HPF-11.7G15A-S 11700-15000MHz ≤1.0 ≥15dB@DC-9.8GHz 1.3 PDF

Overview

The high-pass filter has high permeability above the cut-off frequency, that is, the signal passing above this frequency will be almost unaffected. Signals below the cut-off frequency are attenuated or blocked by the filter.

The high-pass filter can have a different attenuation rate, representing the degree of attenuation of the low-frequency signal relative to the high-frequency signal from the cutoff frequency.

Some high-pass filters may have ripples in the passband range, that is, changes in the gain of the signal over a specific frequency range. Ripples can be controlled through filter design and optimization to ensure signal quality in the passband range.

High-pass filters typically have specific input and output impedances to match the impedance requirements of the signal source and load.

High-pass filters can be packaged in different types, such as plug-in modules, surface-mount devices (SMTS) or connectors. The type of package depends on the application requirements and installation method.

High-pass filters are widely used in various electronic and communication systems, such as audio processing, speech recognition, image processing, sensor signal processing, etc.


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