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Переключение трансивера в режим передачи производится при включении переключателя S1 «Упр.». При этом срабатывает реле К3 в блоке УМ. Это реле в зависимости от режима работы подключает антенну либо ко...
Основная плата трансивера Аматор КФ
1627
0
5
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
Size PCB 10cm X 14,80cmExciter+TCXO =LMR SDR+TCXO > with TCXO (optional) , more Stable frequencyInclude Kabel = Semua Kabel&nbs...
HF SDR Transceiver - LMRSDR V1.5.A
554
0
0
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
Адаптер для последовательного соединения фрактальных антенн и их согласования.
Fractal serial adapter
555
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
In this tutorial, I have built a simple system that is powered with 1 W 5 V solar panel that monitors the connected battery voltage with ADC and gets the environment temperature and shares this inform...
ESP32 RYLR993 LoRaWAN Communication
909
0
0
WARD Useful Electronics
WARD Useful Electronics
TURKEY
8
0
tuning-knob-pcboardhttps://github.com/bmo/tuning-knob-pcboardThis is a KiCAD PC Board design for a tuning knob that works with PowerSDR and SmartSDR and Remote Ham Radio (RHR). Uses STM32 hardware. Fi...
tuning-knob-pcboard
470
0
0
Engineer
Engineer
UNITED STATES OF AMERICA
0
0
In this tutorial, you will dive into the depths of this amazing device and discover its limitless potential in signal and frequency generation.Join me as we explore all the functions and features of t...
Exploring the potential of the SI5351 module in electronic projects
1318
0
2
CarlosVolt Tutoriales
CarlosVolt Tutoriales
ARGENTINA
17
30
VFO/BFO STM32F103C8T6 Layout Ver 1.2for Ham RadioSchematic and firmware design by :UT5QBC dan UV7QAE from UkraineRedrawing : YE3CIFSTM32F103C8T6Display: TFT 128X64 1.8 inchSi5351
VFO/BFO STM32F103C8T6 Layout Ver 1.2
1637
0
4
Syaiful YE3CIF.COM
Syaiful YE3CIF.COM
INDONESIA
86
2
Прототип переносного компактного антенного тюнера на КВ диапазон. По мотивам статьи: http://dl2kq.de/ant/3-57.htm
QRP GP TUNER
542
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
Прототип переносной компактной антенны Диполь с запорным дросселем 1:1 на КВ диапазон.
DIPOLE BALUN
560
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
Прототип переносной компактной антенны Endfeed 1:49 на КВ диапазон.
Endfeed 1:49
616
0
0
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
Прототип переносной компактной антенны на КВ диапазон.
Long Wire 1:9
566
0
1
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
На этом рисунке с целью упрощения показаны только два фильтра из шести. Коммутация фильтров осуществляется с помощью диодов. На вывод 3 платы ДПФ постоянно подано напряжение +12В. С делителя 2R1 2R2 н...
ДПФ для Аматора КФ
788
0
0
Евгений Лисовский
Евгений Лисовский
BELARUS
15
25
Description:Problems with local QRM on HF? Often the answer is "yes". No matter if it's the elevator controller or an arcover on the high voltage line next to the garden. Most trouble comes from the l...
QRM Eliminator X-Phase (Фазовый подавитель помех)
780
0
6
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
OLED FM RADIO RDA5807FP AUTO SCAN DESINGN BY USTAOGLU AUDIO TB5CVN
RDA5807FP FM RADIO AUTO SCAN OLED
1511
0
1
AUDIO USTAOGLU
AUDIO USTAOGLU
TURKEY
417
16
Данный индикатор реагирует в широком диапазоне частот. Его частотные свойства определяются размерами подключенной к нему антенны и характеристиками примененного в нем диодов и транзисторного каскада.С...
Field strength indicator
717
0
4
Maksim EW7DDR
Maksim EW7DDR
BELARUS
136
158
30 second video: [video link]Hackaday site: [click here]Photo Galleries: [Rotor Gallery v0.10] -- Original build[Rotor Gallery v0.20] -- Home-made circuit board[Rotor Gallery v1.01] -- Than...
Rotor Controller
614
0
1
wade ryan
wade ryan
UNITED STATES OF AMERICA
1
1
1
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