HF Lowpass Filter 5000W Extreme Power LPF30-5000W with Extreme Suppressions of all Harmonics LPF30-5000W
Excellent HF Lowpass Filter 5000W Extreme Power LPF30-5000W for use with big linear amplifiers. Low passband loss and extreme suppression of all unwanted harmonics. Ok for linear amplifiers with Ceramic tetrodes like GU84B, GU78b, or 2xFU728F.
HF LPF30-5000W Low Pass Filter 5000W Appearance

Data was measured on an assembled LPF30-5000W filter with HP8753ES network analyzer full 2-port calibrated.
HF Lowpass Filter 5000W Extreme Power LPF30-5000W specifications:
Passband: 1.5 – 29.7 MHz
Insertion Loss 1.8 MHz – 29.7 MHz: <= 0.085 dB
Input Return Loss: Better than -29 dB
Maximum SWR on any frequency: <= 1.074
Nominal Impedance: 50 Ω
Attenuation
50 – 54 MHz: >= 75 dB
70 – 70.5 MHz: >= 70 dB
FM 88 – 108 MHz: >= 80 dB
144 – 148 MHz: >= 100 dB
222 MHz: >= 100 dB
430 – 440 MHz: >= 100 dB
Maximum Power Input at 50% Duty Cycle
SWR 1:1: 5000 W
SWR 1:1.5: 3300 W
SWR 1:2: 2700 W
SWR 1:3: 2100 W
Connectors: Silver-plated Teflon SO239. “N”, 7/16 DIN by order
Fan Power Consumption: +12 V DC, 200 mA*
Filter Size: 295 mm x 125 mm x 130 mm
Weight: 1.3 kg
Mounting and Working Environment: Any position (5 mm holes for wall mount), Indoor
* Fan usage is not required for power below 1500 W.
These excellent results were achieved by careful design, tuning, and selection of components.
Actual measurements of HF Lowpass Filter 5000W Extreme Power LPF30-5000W:
HF Low Pass Filter LPF30-5000W Insertion Loss 160m through 15m

HF Low Pass Filter LPF30-5000W 28MHz Insertion Loss and 6m 50MHz Attenuation

5kW HF Low Pass Filter LPF30-5000W 20 and 10m Insertion Loss, 6m, 4m and 2m Attenuation

HF Low Pass Filter LPF30-5000W 6m, 4m and FM 88-108 MHz Attenuation

HF Low Pass Filter LPF30-5000W 50 MHz, 70.2 MHz, 144.1 MHz, 222.1 MHz, and 432.1 MHz Extreme Attenuation. More than 100dB.

HF Low Pass Filter LPF30-5000W Passband SWR 160m through 10m starting from 1:1.02 on 1.8MHz

5000W HF Ultimate Low-Pass Filter Appearance.

The economical version (2000 W) of the LowPass filter is here.
Specific BandPass filters up to 10 kW.


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