17 meter 2000 W High Power Band Pass Filter

High power 17 meter 18.068 – 18.168 MHz band pass filters for BIG GUNS.

Bandpass filter is perfect for multi-station environments like special events, field days, and portable operating to protect receivers from excessively strong out-of-band signals. Our 17-meter filter is designed to have an extremely low loss from 18.068 – 18.168 (17-meter band) and it is just 0.32 dB! Out-of-band interference is extremely suppressed. The filter is ideal to be on both reception and transmission. The 17-meter bandpass filter is declared at 2000 W, but the filter is designed for more power than presented. The Bandpass filter is placed in a powder-coated aluminum box. Silver-plated SO239 connectors and excellent filter design enable extremely low losses through 17 17-meter bands and high attenuation of out-of-band signals.

WARC bands.

The WARC bands are three portions of the shortwave radio spectrum used by licensed and/or certified amateur radio operators. They consist of 30 meters (10.100–10.150 MHz), 17 meters (18.068–18.168 MHz), and 12 meters (24.890–24.990 MHz). They were named after the World Administrative Radio Conference. This WARC filter can be used for power up to 3 kW, but it is also perfect for less power. Since its low loss, the 10.1 – 10.15 MHz WARC band-pass filter is perfect for transmitting as well as receiving.   2 kW WARC Band-Pass Filter 18.068 – 18.168 MHz appearance. 17-meter band.

 

 

Electrical specifications and attenuation on the nearest band:

Electrical specifications

Frequency range: 18.068 – 18.168
Insertion loss: 0.32 dB
Input return loss: -35 dB
Nominal input impedance: 50 Ohm
Maximum power input at SWR 1:1: 2000 W
Maximum power input at SWR 1:1.5: 1500 W
Maximum power input at SWR 1:2: 1200 W
Maximum power input at SWR 1:3: 1000 W
For a Short Time at 1:1: 3000 W
Connectors: SO239 default or “N” by order
Fan: +12 V, 0.2 A

Atennuation on the nearest band:

160 meter: + 88 dB
80 meter: + 70 dB
40 meter: + 52 dB
20 meter: + 42 dB
15 meter: + 40 dB
12 meter: + 46 dB
10 meter: + 49 dB

SWR measurement on 18.068 – 18.168 MHz. The average SWR is 1.03 across the band.

 

 

The recorded data on the assembled filter with HP8753ES full 2-port calibrated are presented below. The following 3 images show the S parameters of the most important points.

 

 

 

 

HF bandpass 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

10-meter band: 10-meter High power band pass filter – 4 kW

 

WARC bandpass filters:

30-meter band: 30-meter bandpass filter WARC

12-meter band: 12-meter bandpass filter WARC