17 meter 2000 W High Power Band Pass Filter
High power 17 meter 18.068 – 18.168 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 17 meter filter is designed to have 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 band pass filter is declared at 2000 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 17 meters band and high attenuation of out-of-band signals.
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, 10.1 – 10.15 MHz WARC band pass filter is perfect for transmitting as well for 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:||18 meter band pass filter|
|Frequency range:||18.068 – 18.168|
|Insertion loss:||0.32 dB|
|Input return loss batter than:||-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|
|Short Period of Time at 1:1||3000 W|
|Connectors:||SO239 default or “N” by order|
|Fan:||+12 V, 0.2 A|
|Atennuation on 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. Average SWR is 1.03 across 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 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
10 meter band: 10 meter High power band pass filter – 4 kW
WARC band pass filters:
30 meter band: 30 meter band pass filter WARC
12 meter band: 12 meter band pass filter WARC
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