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BandPass Filter
This bandpass filter is in fact a combined high- and lowpassfilter. The first stages are a highpass (f>70MHz) and the last stages a low pass (f<180MHz). The lost of this filter is several watts when driven with 20[Watts], but the output signal is (when adjusted with a spectrum analyser) very clean.
Downloads
BandPass Filter - Link
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Build your own LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and "Zero Out" function to make sure the readings are as accurate as possible ... [more] |
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