15 meter 6000 W High Power Band Pass Filter
High power 15 meter 21 – 21.45 MHz band pass filters for EXTREMELY 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 15 meter filter is designed to have extremely low loss from 21 – 21.45 MHz (15 meter band) and it is less than 0.1 dB! Out-of-band interference is extremely suppressed. The filter is ideal to be on both reception and transmission. The 15 meter band pass filter is declared at 6000 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 15 meters band and high attenuation of out-of-band signals.
External look from the 21 – 21.45 MHz band pass filter and measurements:
1. External look. Strong powder-coated aluminum box with silver-plated SO239 connectors. 12 V external powered fan for filter cooling is included.
2. Measurements on the assembled filter with HP8753ES full 2-port calibrated.
1. 6000 W 15 meter 21 – 21.45 MHz band-pass filter S11 / S21 measurements . Part 1.
2. 6 kW 15 meter 21 – 21.45 MHz band-pass filter S11 / S21 measurements . Part 2.
High power band pass filter 21 – 21.45 MHz Power Derating Chart.
Electrical and Mechanical specifications:
| Electrical Specifications | 15 meter Band pass Filter |
| Frequency Range: | 21 MHz – 21.45 MHz |
| Insertion Loss: | < 0.1 dB |
| Input Return Loss Batter Than: | -32 dB |
| Nominal Input Impedance: | 50 Ohms |
| Attenuation on Nearest Band: | 35 dB – 55 dB |
| Maximum Power Input at SWR 1:1 | 6000 W |
| Maximum Power Input at SWR 1:1.5 | 4000 W |
| Maximum Power Input at SWR 1:2 | 3200 W |
| Maximum Power Input at SWR 1:3 | 2500 W |
| Mechanical Specifications | |
| Connectors: | SO239 Default or 7/16 DIN by Order* |
| Filter Size: | 455 mm x 220 mm x 135 mm |
| Fan Power Consumption: | +12 V DC, 200 mA** |
| BandPass Filter Net Weight: | 3.4 kg |
| Mounting: | Any position (5 mm hole) |
| Work Environment: | Indoor |
** Fan usage is not required for power below 1500 W.
Did you know that we produce up to 10 kW (10 000 W) band pass filters for all HF bands: 160 meter, 80 meter, 40 meter, 20 meter 15 meter and 10 meter. If you need more power handling feel free to send us inquiry via e-mail.
HF band pass filters designed for 4000 W can be found here: HF Band-Pass Filters
Other 6000 W band pass filters:
80 meter band: 6000 W 80 meter band pass filter
40 meter band: 6000 W 40 meter band pass filter
20 meter band: 6000 W 20 meter band pass filter
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