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. Small, compact band-pass filter that will suppress RFI.

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

 

The recorded data on the assembled filter with HP8753ES network analyzer full 2-port calibrated are presented below.

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. 

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
 


Similar VHF band-pass products for 4 meter band:

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

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


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