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Reviews Categories | Filters, RF: bandpass, duplexer, lowpass, highpass, RFI/EMI | HF BPF with RF amp + ATT Help

Reviews Summary for HF BPF with RF amp + ATT
HF BPF with RF amp + ATT Reviews: 1 Average rating: 5.0/5 MSRP: $45
Description: Passive Band pass filters plus RF amplifier and Attenuator. Preselector for home-made TX, RX or transceivers, SDRs, portables or any other receiver specifically tuned for the 160,80,40,30,20,17,15,12,10m amateur bands. Losses are 1-3 dB. It has a RF amplifier with frequency compensated gain(10-20dB), using one medium power RF transistor, and an attenuator -20dB.
Product is in production.
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KD7RDZI2 Rating: 5/5 Mar 8, 2016 11:07 Send this review to a friend
Outstanding!!!  Time owned: 0 to 3 months
A preselector for the ham bands. You do not need to tune it. Just select each ham band with a selector. The amplifier works fine and you have an attenuator to improve the IMD for a receiver such as an RTL sdr stick. Ideal for portables which all are prone to overload. Good also for receivers with wide frontend. OK, if you have a K3... you probably don't need it... in all the other cases... you might...

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