70 - 70.5 MHz Economic Low Loss Receiving Bandpass Filter for 4 Meter Band

  • 70 - 70.5 MHz Economic Low Loss Receiving Bandpass Filter for 4 Meter Band

4 Meter Band. Low Cost, Low Loss Receiving Bandpass Filter BPF 70 - 70.5 MHz

70MHz-4m-RX-Band-Pass-Filter-Made-By-Antennas-Amplifiers.com

 

Measured results with HP8753ES network analyzer full two port calibrated:

Achieved results on a built Bandpass filter:
1.8 MHz < -108 dB
3.8 MHz < -112 dB
7.1 MHz < -99 dB
14.15 MHz = -82 dB
21.2 MHz = -71 dB
28.4 MHz = - 62 dB
50 MHz = -35 dB 
52 MHz = -32 dB
54 MHz = -28 dB
70 MHz = -0.4 dB
70.5 MHz = -0.4 dB
88 MHz= -26 dB
108 MHz= -47 dB
144 MHz = -63 dB
146 MHz = -63 dB
210 MHz = -64 dB
432.1 MHz = -51 dB
440 MHz = -49 dB
These excellent results were achieved by careful selection of components and design of the filter. 

Measured data. Characteristics of 70 - 70.5 MHz Band-pass filter:
4-meter-Receiving-Bandpass-Filter-70MHz-Low-Loss-Made-By-Antennas-Amplifiers.com
 
 
Characteristics of the filter outside the receiving range:
 
1. Measured HF attenuation:
70-MHz-4-meter-Receiving-Band-Pass-Filter-HF-Attenuation-Made-By-Antennas-Amplifiers.com
 
2. Measured HF - 50 MHz attenuation:
70MHz-Cheap-Receiving-BandPass-Filter-HF-6m-50MHz-Attenuation-Made-By-antennas-amplifiers.com
 
3. Measured VHF - UHF attenuation:
4m-4-Meters-Cheap-Band-Pass-Filter-Harmonics-UHF-Attenuation-Made-By-antennas-amplifiers.com
 

You can search our similar VHF bandpass products for 4 meter band here:


4 meter band, 70 MHz Bandpass filter 300 W for Ham radio:    70 - 70.5 MHz High Selectivity, High Q, Low Loss Bandpass Filter for 4 meter band

We are also making filters on all frequencies and powers. Even if we don't have an offer on our site, we may be able to make it for you. So feel free to contact us via email.

You might also like to read about our 4 meter band antennas (70 MHz):    4 Meter Band High Gain Low Noise Antennas

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  • Product Code: 0639
  • Availability: In Stock
  • 53.00€



Tags: 70 MHz - 70.5 MHz, 4m, 4 meters, VHF BandPass, RFI Band-Pass filter, BPF, High Q, Low Cost, Low Loss Receiving Band Pass, Field Day Filter, Ham Radio Filter