Dunestar Band-pass Filter 300-14 (14 МHz / 200 W)
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Dunestar is well known brend producing passive filters for amateur radio bands. Dunestar Bandpass Filters are 3-pole, capacitive coupled, with High-Q capacitors and inductors used for tuned circuits. Filters are conctructed on glass-epoxy PCB in Aluminum Enclosure. Inputs and outputs are at DC ground potentials. Dimensions: 51 x 152 x 44 mm (including mounting flange. Ihe insertion loss is typical 0.5 - 0.7 dB, with band-to-band rejection about 40 dB. Filters are intended for use with 200W PEP transceivers. This is not to imply a 100% duty cycle. The price of one filter is about 75 US dollars.
Filter elements are enclosed in aluminum box with 124 x 50 x 50 mm inner dimensions. Here are several pictures from the inside of the filter. You can click on pictures to view them in high resolution:
Dunestar web page: click here
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