144 - 146 MHz High Selectivity, High Q, Low Loss Bandpass Filter BPF Outdoor Mounting

  • 144 - 146 MHz High Selectivity, High Q, Low Loss Bandpass Filter BPF Outdoor Mounting

144 - 146 MHz High Selectivity, High Q, Low Loss Bandpass Filter BPF Outdoor Mounting

Bandpass Filter BPF 144 MHz outdoor mounting uses high Q coils with unloaded Q of more than 1000, and capacitors with Q more than 1200. Low loss of filter achieved with careful design and adjustment. Best receiving RFI band-pass filter for Ham Radio designed for 2 meter band.


144-MHz-2m-2meter-band-Low-Loss-Bandpass-Filter-Made-By-Antennas-Amplifiers.com

Achieved results on a built Band pass filter:

50 MHz = -68.4 dB
88 MHz = -45.6 dB
108 MHz = -31.5 dB
144 MHz = -0.21 dB
146 MHz = -0.21 dB
432 MHz = -75 dB
These excellent results were achieved by careful selection of components and design of the filter. 


2m-144MHz-Band-Pass-Filter-EME-Super-Low-Loss-Outdoor-Made-By-Antennas-Amplifiers


Measured Return Loss - S11 (CH 1) and Insertion Loss - S21 (CH 2). Characteristics of 144 MHz Receiving Bandpass filter.

2m-144MHz-RFI-bandpass-filter-2-meters-antennas-amplifiers.com

1. Filter characteristics ''zoomed''.

2-meter-144MHz-bandpass-filter-on-network-analyzer-antennas-amplifiers.com

2. Measured data of 144 - 146 MHz RFI band-pass filter. Insertion loss - S21 (Attenuation) is set to 0.3 dB per division! 
2-Meter-Band-144-146-MHz-RFI-Bandpass-Filter-Measured-Data-Attenuation-set-to-0.3-dB-per-division-Made-By-Antennas-Amplifiers

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2 meter band, 144 MHz 1500 W Bandpass144 - 148 MHz Low Loss (<0.1 dB) High Power Band pass Filter 1.5 kW

2 meter band, 144 MHz 4000 W Bandpass144 - 148 MHz Low Loss (<0.1 dB) High Power Band pass Filter 4 kW

2 meter band, 144 MHz EME 3 Bandpass PGA preamplifier144 - 148 MHz EME 3 Filter Relay With Preamplifier


  • Product Code: 0645
  • Availability: In Stock
  • 95.00€


Tags: 144MHz, 145MHz, 146MHz, 2meters, VHF, BandPass, RFI, Filter, BPF, High, Q, Selectivity, Low, Loss, Rx, Receiving, Ham, Radio, Outdoor