10 meter 4000 W High Power Band Pass Filter

High power 10 meter 28 – 29 MHz band pass filters for BIG GUNS.

Band pass filter is perfect for multi-station environment like special events, field day, portable operating to protect receivers from excessively strong out-of-band signals. Our 10 meter filter is designed to have extremely low loss from 28 – 29 MHz (10 meter band) and it is just 0.15 dB! Out-of-band interference is extremely suppressed. The filter is ideal to be on both reception and transmission. The 10 meter band pass filter is declared at 4000 W, but filters is designed for more power than presented. Band pass filter is placed in a powder-coated aluminum box. Silver-plated SO239 connectors and excellent filter design enable extremely low losses through 10 meters band and high attenuation of out-of-band signals.   10 meter 4 kW Band-Pass Filter 28 – 29 MHz appearance.

 

 

Specifications and graphs.

 

Specifications
Frequency Range:	28.0 – 29.0 MHz
Insertion Loss:	0.15 dB
Input return loss better than	– 34 dB
Attenuation on nearest band:	35 – 55 dB
Nominal Impedance:	50 Ohm
Maximum Power Input at SWR 1:1	4000 W
Maximum Power Input at SWR 1:1.5	3200 W
Maximum Power Input at SWR 1:2	2500 W
Maximum Power Input at SWR 1:3	2000 W
Connectors:	SO239 or “N”

 

The recorded data on the assembled filter with HP8753ES full 2-port calibrated is presented below. 28 – 29 MHz 4 kW 40 meter Band-Pass Filter measurements.

 

 

Out-of-band measurements.

 

Ham Radio Bands	Attenuation (more than)
160 meter	80 dB
80 meter	70 dB
40 meter	50 dB
20 meter	37 dB
15 meter	42 dB

 

 

High power Band-Pass Filter 28 – 29 MHz Power Derating Chart.

 

 

Corresponding HF band pass filters:

 

160 meter band: 160 meter High power band pass filter – 4 kW

80 meter band: 80 meter High power band pass filter – 4 kW

40 meter band: 40 meter High power band pass filter – 4 kW

20 meter band: 20 meter High power band pass filter – 4 kW

15 meter band: 15 meter High power band pass filter – 4 kW