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Aleksander Alekseev

Software developer. Electronics hobbyist. Amateur radio call sign: R2AUK

9 designs

hbr mk2 af

All HF bands QRP CW/SSB transceiver

MMBT3904

LM7808

TDA2003

NE5532

2N7002

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hbr mk2 bfo

All HF bands QRP CW/SSB transceiver

2N7002

MMBT3904

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hbr mk2 bpfs

All HF bands QRP CW/SSB transceiver

74HC238

L78L33

2N7002

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hbr mk2 digital

All HF bands QRP CW/SSB transceiver

LM7805

24LC64

BluePill

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hbr mk2 lpfs

All HF bands QRP CW/SSB transceiver

2N7002

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hbr mk2 pa

All HF bands QRP CW/SSB transceiver

L78L05

KT3142A

RD15HVF1

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hbr mk2 placement

All HF bands QRP CW/SSB transceiver

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hbr mk2 power

All HF bands QRP CW/SSB transceiver

2N7002

IRF4905

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hbr mk2 rxtx

All HF bands QRP CW/SSB transceiver

L78L33

LM358

KT3142A

NE5532

2N7002

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