Receiving 70cm 430-450MHz Ultimate Low Loss Band Pass Filter
Receiving 70cm 430-450MHz Ultimate Low Loss Band Pass Filter is designed for direct connection to the coaxial relay enabling the least possible losses in the receiving path. Super low loss of the filter, will almost nothing disturb the noise performance of any wide-band pre-amplifier which is especially important in terrestrial and EME communications. It will further ensure smooth operation in the presence of strong signals. The filter is enclosed in a strong 0.8 mm sheet brass box. Strong mechanics will ensure stability and longevity.
70cm 430-450MHz Ultimate Low Loss Band Pass Filter
Electrical Characteristics of 70cm 430-450MHz Ultimate Low Loss Band Pass Filter
Frequency Range: 430-450MHz
Nominal Impedance: 50 Ω
Input Return Loss: Better than -35 dB
Insertion Loss of 70cm 430-450MHz Ultimate Low Loss Band Pass Filter
1.82 MHz 100 dB
3.8 MHz 100 dB
7 MHz 100 dB
14 MHz 95 dB
21 MHz 95 dB
28 MHz 81 dB
50 MHz 67 dB
54 MHz 64 dB
88 MHz 51 dB
108 MHz 45 dB
144 MHz 36 dB
146 MHz 36 dB
430MHz 0.15dB, RL –35dB
440MHz 0.15dB, RL –35dB
450MHz 0.15dB, RL –35dB
880 MHz (GSM) 20 dB
960 MHz (GSM) 25 dB
1296 MHz 43 dB
Measured Return Loss and Insertion Loss with HP8753ES network analyzer.
Filter characteristics zoomed:
HF suppression:
Harmonics suppression:
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