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6m 200 W Extreme Low Loss Band Pass Filter
Transmitting 200 W 50 – 52 MHz band-pass filter for chasing DX-es sunk into the noise.
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.
As its attenuation is only 0.11 dB, and the possible maximum output power is 200 W, this bandpass filter is ideal for both reception and transmission.
External appearance of the filter:
By order outdoor mounting in our plastic box. For external assembly, send an e-mail with request.
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 200 W transmitter.
The measured SWR is between 1: 1.01 to 1: 1.04!
|Achieved results on build Band-pass Filter (Attenuation)
Bandwidth: 50 – 51 MHz
144 MHz / 222 MHz / 432 MHz Band Attenuation
These excellent results were achieved with supreme components and design of the filter. Band Pass filter will eliminate any harmonic emission from your 200 W linear amplifier.