70 cm 200 W Transmit – Receive Band Pass Filter BPF 430 – 432 – 440 MHz

169,00 

SKU: 6530 Categories: ,

70 cm 430 – 440 MHz <0.12 dB High Selectivity, High Q, Super Low Loss Band-pass Filter designed for 200 W of output power.

Bandpass Filter BPF uses high Q coils and capacitors with unloaded Q of more than 1500

Intended for indoor use (default) or for outdoor mounting with plastic box “DS”.
Band pass filter enclosed in strong 0.8 mm sheet brass box. Strong mechanics will ensure stability and longevity.

 

430MHz-440MHzr-Low-Loss-200W-Band-Pass-Filter-BPF-70cm-Band
 

Measure data on the assembled filter with HP8753ES network analyzer full 2-port calibrated.

 

Insertion loss (S21) [dB]
1.82 MHz < -105 dB
3.8 MHz < -105 dB
7 MHz < -105 dB
14 MHz < -105 dB
21 MHz < -100 dB
28 MHz – 96 dB
50 MHz – 80 dB
54 MHz – 78 dB
70.2 MHz – 71 dB
88 MHz – 65 dB (FM Signal)
108 MHz – 60 dB (FM Signal)
144 MHz – 50 dB
148 MHz – 49.5 dB
430 MHz  -0.12 dB, Input RL better than -40 dB
432 MHz -0.12 dB, Input RL better than -40 dB
440 MHz -0.12 dB, Input RL better than -40 dB
720 MHz – 26 dB
864 MHz – 35 dB
1240 MHz -45 dB
1296 MHz -45 dB
Connectors: 2 x “N” Female

 

432 MHz 200 W Super low loss band pass filter measured data:
432MHzS11-Full-Frequency-Span

 

200 W, 70 cm band-pass filter zoomed characteristics. Flat attenuation on working frequency – 0.12 dB.

 

WideBand-LowLoss-200W-BPF-70cm

 

430 – 440 MHz 200 W Band pass filter measured HF

 

70cm-BPF-200W-S11-1-21MHz

 

Measured HF, 50 MHz, 70.2 MHz Attenuation:

 

200W-BPF-70cm-S11-28-88MHz

 

Attenuation on FM (88-108 MHz) and 2 meter band (144 – 148 MHz):

 

430-440MHz-BPF-200W-88-148MHz

 

Out-of-Band attenuation on higher frequencies. 45 dB attenuation on 23 cm band.

 

UHF-Out-of-Band-Loss-from-430-440-BPF

 

This filter is excellent at eliminating interference caused by out-of-band frequencies. As it has a maximum output of 200 W, it is perfect for transmitting, and since the attenuation is only 0.12 dB, it is perfect to be used as a receiving filter.

Feel free to send e-mail if you need something more specific.

All band-pass filters are here: HF, VHF and UHF Band-Pass Filters

Direct link to all 70 cm filters. We have 50 W, 100 W, 200 W, 300 W, 1000 W and 2500 W versions: 70 cm Band-Pass Filters

 

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