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400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
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Basic parameters:- works with FrSky equipment, communicates via SmartPort,- offers a wide measurement range of 3...49 V (without the need to use several sensors in the case of a package consisting of ...
SmartPort voltage telemetry sensor for FrSky
222
0
0
SimEleC
SimEleC
POLAND
1
0
Antenna in Wireless Communication:Antennas are everywhere! An Antenna is an electrical device that converts electric power into electromagnetic waves or radio waves and vice-versa. In every wireless c...
PCB Board To Determine the Performance and Properties of an Antenna
1206
0
1
Arshmah Arshmah Shahkar
Arshmah Arshmah Shahkar
UNITED STATES OF AMERICA
31
0
For qrper, I have designd mini size transmitter pcb.1, crystal osc(vxo) , all HF.2, mic-compessor is on borad (TA2011S)3, dbm as sn169134, AM or DSB 5, M28S is a final device, able to drive 1W(100...
AM/DSB QRP(0.5W) Transmitter using mic compressor: dbm as SN16913 .
3093
1
5
shuuichi takikawa
shuuichi takikawa
JAPAN
51
1
Circuit diagram SI4732 all band radio receiver si4735 Arduino si4735-d60 with displayThe Si4734/35 is the industry's first fully integrated, 100% CMOS AM/FM/SW/LW radio receiver IC. Offering unmatched...
Circuit diagram SI4732 all band radio receiver si4735 Arduino si4735-d60
10116
0
4
Toni Eletrônica
Toni Eletrônica
BRAZIL
43
0
Using panasonic AN829,mic-compressor. Max comp is over 30dB.Designed by RADIO KITS IN JA .http://takinx.dcnblog.jp/radio_kit_/an829/
mic-compressor ,AN829
2696
0
2
shuuichi takikawa
shuuichi takikawa
JAPAN
51
1
Internet radio is a digital audio service that streams music, news, and other forms of audio content over the internet, rather than being transmitted through traditional radio waves. Unlike trad...
How to make Simplest and Cheapest compact Internet Radio - Yoradio
509
1
2
Mirko Pavleski
Mirko Pavleski
NORTH MACEDONIA
74
0
Программное обеспечение синтезатора MICROB. Firmware MICROB v.4Данное программное обеспечение версии 4.0 предназначено для ранее опубликованного синтезатора "Синтезатор частоты на Si5351a и STM32...
Frequency synthesizer MICROB V4.0 on Si5351 and STM32F103
2413
1
5
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
In this tutorial we will see how to make a circuit to connect to our handy, in this case a Baofeng UV-5R (although it also works for other brands and models) for long distance control of motors, light...
DTMF decoder for handy with arduino, control over several kilometers
244
0
2
CarlosVolt Tutoriales
CarlosVolt Tutoriales
ARGENTINA
20
30
ADX – Arduino Digital Transceiver V2 TOP PANELADX – Arduino Digital Transceiver V2ADX – An Arduino based HF Digital Modes TransceiverADX is an Arduino based Digital Modes Transceiver. ADX is abbreviat...
ADX – Arduino Digital Transceiver V2 BUTTOM PANEL
669
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
Синтезатор имеет настройку частоты энкодера а также прямой ввод частоты с кнопок.Энкодер можно подключить как оптический, так и механический.Синтезатор может отображать стрелочный S-Meter или Спектр.И...
Синтезатор частоты HF EASY 2018 от UT5QBC
1406
0
3
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
Данный синтезатор является расширенной версией ранее сделанного синтезатора HF EASY.Диапазоны частот приема/передачи:160m. 1810000Hz - 2000000Hz80m. 3500000Hz - 3800000Hz40m. 7000000Hz - 7300000Hz30m....
Синтезатор HF EASY 2017 UT5QBC
758
0
3
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
По сравнению с предыдущей версией https://www.pcbway.com/project/shareproject/Frequency_synthesizer_NanoVFO_3_1_square_b5514a69.html существенно расширен функционал без усложнения схемы. Синтезатор ст...
Frequency synthesizer NanoVFO 3.1
1529
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
Arduino based frequency synthesizerПоследние изменения 06.04.2022, Версия 1.5Добавлены:режим калибровки синтезатора;второй режим работы опорного генератора, дублирующий основную частоту, без учета ПЧ;...
VFO_NANO_LCD_SI5351
2873
1
9
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
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
1967
0
5
Евгений Лисовский
Евгений Лисовский
BELARUS
17
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)
1019
0
6
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
uSDX is a simple and experimental (Class-E driven) SSB and CW SDR transceiver. It can be used to make QRP SSB contacts, or (in combination with a PC) used for the digital modes such as FT8, JS8, FT4. ...
USDX part 5
1049
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
160
158
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