{"id":44701,"date":"2017-07-25T09:03:08","date_gmt":"2017-07-25T07:03:08","guid":{"rendered":"http:\/\/www.cqdx.ru\/ham\/?p=44701"},"modified":"2023-10-05T07:16:20","modified_gmt":"2023-10-05T05:16:20","slug":"dyi-4-bands-hbr4hf-4-band-hf-transceiver","status":"publish","type":"post","link":"https:\/\/www.cqdx.ru\/ham\/diy\/dyi-4-bands-hbr4hf-4-band-hf-transceiver\/","title":{"rendered":"DYI – 4 Bands HBR4HF 4 Band HF Transceiver"},"content":{"rendered":"

Hambuilder HBR4HF (4 Band HF Transceiver)<\/p>\n

by E-bay<\/span><\/a>: The packet consist of:
\nHBR4HF board exciter + LPF + BPF + PA (assembled and tested)
\nRTC01C (16×2 LCD display) Controller with si5351 synthesizer VFO\/BFO (assembled and tested)
\nAluminum enclosure with heatsink and related connector (need to assembly by your self)
\nCondenser mic with loudspeaker (need to assembly by your self)<\/p>\n

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Heterodyne 10MHz Xtal filter exciter based on Hambuilder BritX exciter
\n300-25000Hz audio band pass active filter using NE5532
\n4 Band coverage (80m, 40m, 30m, 20m) with 3 selector LPF\/BPF
\n20-35 watt RF power output,
\n2x IRF 530 Final RF amplifier
\nSSB modulation
\n16\u00d72 char LCD
\nSi5351 VFO and BFO synthesizer based on RTC01C controller
\nBand Coverage
\n80m (3.500.000 – 4.000.000)
\n40m (6.900.000 – 7.250.000)
\n30m (10.100.000 – 10.149.999)
\n20m (14.000.000 – 14.349.999)
\nbands are programmable, as long as not cross the BPF\/LPF range<\/p>\n

HBR4HF - Hambuilder 4 Band HF Transceiver<\/div><\/div>
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