50 - 51 MHz 300 W Low Loss Band-pass Filter for 6 Meter Band
6 Meter 300 W Low Loss Bandpass Filter BPF
50 MHz Band-pass Filter BPF uses high Q coils and capacitors with Q more than 4000. Low loss of the 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 300 W output.
Although this filter is intended to be used as a transmitting filter, its design also allows is to be used as a 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.
Low Insertion loss filter is excellent to be placed before any LNA to protect the 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, and it will protect it from HF stations.
External appearance of the filter:
The recorded data on the assembled filter with HP8753ES full 2-port calibrated are presented below.
Measured Return Loss (S11) and Insertion Loss (S21). Characteristics of 50 MHz Bandpass filter for up to 300 W transmitter.
|Achieved results on build Band-pass Filter (Attenuation)
Bandwidth: 50 - 51 MHz
144 MHz / 432 MHz Band Attenuation
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- Product Code: 0627
- Availability: In Stock