70cm LowPass Filter 1500W 430-450MHz

70cm LowPass Filter 1500W 430-450MHz (LPF) is a passive RF device that passes signals below its cutoff frequency while attenuating all signals above it. A LowPass filter should be used when you want to suppress higher frequencies – harmonics.

 

70cm LowPass Filter 1500W 430-450MHz LPF Appearance:

 

Measured Insertion Loss of 70cm LowPass Filter 1500W 430-450MHz

430 MHz < 0.07 dB, RL -30 dB
432.1 MHz < 0.07 dB, RL -31 dB
440 MHz < 0.07 dB, RL -33 dB
450 MHz < 0.071 dB, RL -31 dB
460 MHz < 0.072 dB, RL -28 dB
864.2 MHz > 40 dB
1296.3 Mhz > 48 dB
2160 Mhz > 33 dB
2450 Mhz > 15 dB

Maximum Power Input at SWR:
1:1 1500W, 1:1.5 1100W, 1:2 900W, 1:3 600W

Connectors: 2 x “N”

These excellent results were achieved by carefully selecting the components and design of the filter.

 

Measured data on the assembled 70cm LowPass Filter 1500W 430-450MHz LPF

70cm LowPass Filter 1500W 430-450MHz Insertion Loss and Return Loss

 

70cm LPF 1500W 430-450MHz Harmonics Attenuation

 

All 70cm filters are here.