50 - 51 MHz 1.5 kW Low Loss Bandpass Filter BPF
6 Meter band 1.5 kW Low Loss Bandpass Filter BPF
50 MHz Bandpass Filter BPF uses high Q coils and capacitors with Q more than 4000. Low loss of filter is achieved with careful design and adjustment.
Intended to be used with linear amplifiers 8877, GS35, GS31, 2xGI7B and with other tubes up to 1.5 kW output.
Although intention of this filter is to be used as transmitting filter, design allows also to be used as receiving filter. It can be used before Wide Band VLNA with SPF-5122Z or Wide Band LNA with PGA-103+ to protect sensitive device from strong out of band signals. Excellent results will be achieved before wide band SDR receivers to monitor 6 meters band.
Insertion loss is excellent to put before any LNA or protect receiver from HF transmitters in DX expeditions or in multi-multi environment. This BPF will suppress any harmonic on 100 MHz, 150 MHz and more + protection from HF stations.
Here are presented measured results with HP8753ES network analyzer full two port calibrated.
Measured Return Loss - S11 (CH 1) and Insertion Loss - S21 (CH 2). Characteristics of 50 MHz Bandpass filter for up to 1500 W transmitter.
|Achieved results on build Band-pass Filter (Attenuation)
Bandwidth: 50 - 51 MHz
144 MHz / 432 MHz Band Attenuation
6 meter band, 50 MHz Economical Bandpass Receiver for Ham:50 - 51 MHz Economical, Low Loss Bandpass Filter
6 meter band, 50 MHz Receiver Bandpass for Ham:50 - 51 MHz High Selectivity, High Q, Low Loss RX Bandpass
6 meter band, 50 MHz Receiver Outdoor Bandpass:50 - 51 MHz High Selectivity High Q, Low Loss RX Bandpass - Outdoors
6 meter band, 50 MHz, 300 W Bandpass for Ham:50 - 51 MHz 300 W Low Loss Bandpass Filter
6 meter band, 50 MHz, 4000 W Bandpass for Ham:50 MHz 4000 W Low Loss Bandpass Filter
We are also making filters on all frequencies and powers. Even if we don't have an offer on our site, we may be able to make it for you. So feel free to contact us via email.
You might also like to read about our 6 meter band antennas (50 MHz):6 Meter High Gain Low Noise Antennas