15 meter High power band pass filter – 4 kW

199,00 

15 meter 4000 W High Power Band Pass Filter

High power 15 meter 21 – 21.45 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 15 meter filter is designed to have extremely low loss from 21 – 21.45  MHz (15 meter band) and it is just 0.12 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 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 15 meters band and high attenuation of out-of-band signals.

15 meter band pass filter

Electrical specifications.

Specifications
Frequency Range: 21.0 – 21.45 MHz
Insertion Loss: 0.12 dB
Input return loss better than – 35 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”

Measured characteristics and graph.

1. Out-of-band measurements.

Ham Radio Bands Attenuation (more than)
160 meter 65 dB
80 meter 55 dB
40 meter 40 dB
20 meter 50 dB
10 meter 65 dB

2. The recorded data on the assembled filter with HP8753ES full 2-port calibrated are presented below. This graph shows S parameters from 15 meter band pass filter from 1 MHz to 30 MHz. Insertion loss – S21 on main frequency is less than 0.12 dB!

21 - 21.45 MHz Filter. Measurements: S11 and S21. Extremely low loss.

Actual box size 15 meter band pass filter. The filter is placed and closed with a strong aluminum box. The filter is designed and adjusted together with the box so that the shown and measured characteristics are identical.

4 kW 15 meter RFI filter dimensions

High power Band-Pass Filter 21 MHz Power Derating Chart.

High power Band-Pass Filter 21 MHz Power Derating Chart.

Similar 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

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