High Pass, Low Pass Filters

This 10 Mhz low-pass filter is designed to prevent spectrum analyzer overload and intermodulation when conducting AM broadcast station measurements in the presence of strong FM band energy.  This product is offered separately, or as an LP-3 loop antenna accessory.
 

Specifications

• Cutoff Frequency 10 MHz
• Impedance: 50 ohms
• Connectors: BNC
• Maximum VSWR < 8 Mhz 1.6:1
• Maximum attenuation < 8 Mhz: .8 dB
• Maximum operating level: +20 dBm
• Minimum Attenuation > 15 Mhz: 30 dB
• Construction: Plated brass.

This 175 Mhz high pass filter is designed to prevent spectrum analyzer overload and intermodulation when measuring FM harmonic levels, either when connected to a standard dipole antenna, or when connected directly to a transmitter sample port.

Specifications

• Cutoff Frequency 175 MHz
• Impedance: 50 ohms
• Connectors: BNC
• Maximum VSWR > 175 Mhz 1.6:1
• Maximum attenuation > 175: 1 dB
• Maximum operating level: +20 dBm
• Minimum Attenuation < 120 Mhz: 30 dB
• Construction: Plated brass

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