HF and 6m Low Pass Filter LPF50-3000W High Power 3000W

HF and VHF – 50MHz Low Pass Filter with excellent suppression of all out-of-band harmonics LPF50-3000W. Achieved super low insertion loss of just 0.06dB and excellent high power characteristics for modern HF and 6m linear amplifiers and transceivers.

 

Electrical Characteristics of HF and 6m Low Pass Filter LPF50-3000W

Frequency Range: 1.5 – 54MHz
Nominal Impedance: 50 Ω
Input Return Loss: Better than -32 dB
Maximum SWR on any frequency: <= 1.05

Insertion Loss of LPF50-3000W

1.8 MHz – 54 MHz: <= 0.06 dB
Attenuation:
FM 88 MHz > 40dB
FM 108 MHz > 45dB
AirBand 118 MHz > 40dB
AirBand 127 MHz > 39dB
2m Band 144–148MHz >= 41dB
2m Harmonic 288.2 MHz 62dB
1.25m Band 222 MHz >= 54dB
70cm Band 430-450MHz >= 65dB

Maximum Power Input: SWR 1:1 3000W, 1:1.5 2100W, 1:2 1700W, 1:3 1300W
Connectors: “N”, Silver plated Teflon SO239 or 7/16 DIN by order
Fan Power Consumption: +12V DC, 200 mA
Filter Size: 210 mm x 135 mm x 110 mm
Weight: <1 kg
Mounting and Working Environment: Any position (5 mm holes for wall mount), Indoor

 

HF and 6m Low Pass Filter LPF50-3000W Measured HF Insertion Loss

 

HF and 6m Low Pass Filter LPF50-3000W 6m Insertion Loss and FM Attenuation

 

HF and 6m Low Pass Filter LPF50-3000W AirBand and 2m Attenuation

 

HF and 6m Low Pass Filter LPF50-3000W 222MHz and 70cm Attenuation

 

HF and 6m Low Pass Filter LPF50-3000W Measured SWR

 

Above excellent results were achieved by careful design, tuning, and selection of components.

Link to other Low Pass Filters

Link to all Band Pass Filters