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BPF for transceiver STEP 2Link to Documentation: https://yadi.sk/d/NbUvNX9dT15MYALink to Source: http://www.cqham.ru/trx75_19.htm
BPF for transceiver STEP 2
8099
0
15
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION
166
1
Synthesizer UA7KJ ATMega2560 + Si5351 + TFT3.2 mod R2AJI v2.1 case Ganita G717Forum: http://www.cqham.ru/forum/showthread.php?34517-Synthesizer-on-Mega-2560-3-2-TFT-LCD-Si5351-V2-0
Synthesizer UA7KJ G717 Mega 2560 Si5351 mod R2AJI V2.0.1
17135
1
28
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION
166
1
Automatic antenna tuner development N7DDC. GAINTA G760 housingForum: http://hamforum.ru/viewtopic.php?f=14&t=7
N7DDC ATU100 7x7 mod R2AJI case G760
18080
2
23
Karpelyanskiy Vladimir
Karpelyanskiy Vladimir
RUSSIAN FEDERATION
166
1
For 6m AM ham radio builder. Good for airband(100 to 160mhz)http://takinx.dcnblog.jp/radio_kit_/2019/02/post-2.htmlThe details are my site, "RADIO KITS IN JA"
double superheterodyne receiver for 10m,6m and air-band
5752
2
3
shuuichi takikawa
shuuichi takikawa
JAPAN
54
1
Eight fused Anderson PowerPole connectors for power distribution in Amateur Radio projects.
Anderson PowerPole Distribution
1656
2
1
Edward Zembower
Edward Zembower
UNITED STATES OF AMERICA
3
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 .
3231
1
5
shuuichi takikawa
shuuichi takikawa
JAPAN
54
1
Source: https://diycrap.blogspot.com/2015/12/homebrew-swr-and-power-meter.htmlIt's crap, but I did it myself.Saturday, December 5, 2015Homebrew SWR and power meterFirst of all, this SWR meter in this ...
SWR and PWR meter
4201
0
6
FLORIAN-UDVARI ANTAL-ARPAD
FLORIAN-UDVARI ANTAL-ARPAD
ROMANIA
4
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
2768
0
2
shuuichi takikawa
shuuichi takikawa
JAPAN
54
1
This is a printed circuit board for the legendary telegraph key design of Ted Theroux N9BQRead more at this link: http://dk2jk.darc.de/arduino/keyer/literatur/QST/cmos_keyer_QST_Jun_1982_p26-28_4...
CMOS iambic keyer
4382
0
3
Alexander Antonov
Alexander Antonov
UKRAINE
17
1
To adjust, adjust and calibrate the scales of radio receivers and radio amateur measuring generators and to verify them during long-term operation, a signal source of a higher accuracy and stability c...
HAM_QUARTZ_CALIBRATOR
1313
0
2
GENNADIY KUZMICHYOV
GENNADIY KUZMICHYOV
KAZAKHSTAN
54
79
This device is designed to measure the SWR and the current transmitter power.You must use an external sensor.The advantage of this device is that the measurement results can be displayed on the PC scr...
SWR and Power meter.
4539
1
5
Alexander Antonov
Alexander Antonov
UKRAINE
17
1
Several members of group have had the horrible experience of accidentally connecting up a battery backwards and destroying an expensive radio. This little circuit was designed to use MOSFETs to prev...
13.8VDC Polarity Protector
1217
0
3
Gordon L Gibby
Gordon L Gibby
UNITED STATES OF AMERICA
5
1
Новая версия 1.2С учетом накопившихся замечаний и пожеланий сделал очередную версию Изюминки. Что нового:1. Печатка полностью переразведена под 0805. Размер уменьшен до 75х60мм2. Добавлен подстроечный...
Трансивер Изюминка Raisin 1.2
3751
0
4
Maksim EW7DDR
Maksim EW7DDR
BELARUS
171
158
ДПФ содержит 5 фильтров на основные любительские диапазоны: 80, 40, 20, 15 и 10 метров. Все фильтры имеют Т-образную топологию, что улучшает подавление зеркального канала, расположенного выше полосы п...
Плата ДПФ трансивера Изюминка Raisin 1.2
1664
0
2
Maksim EW7DDR
Maksim EW7DDR
BELARUS
171
158
You know neophyte receiver on QSTham radio rx: mini,using ne612.The details are on my site, "RADIO KITS IN JA"
NE612: direrct conversion mini rx :like neophyte receiver on QST. RK-50.
4229
3
3
shuuichi takikawa
shuuichi takikawa
JAPAN
54
1
show to my site: RADIO KITS IN JA.You will get the circuitdown load: fm tx circuit,http://takinx.dcnblog.jp/radio_kit_/files/FM-tx1c.pdf
FM mod transmitter for beginer:crystal osc.
2190
0
1
shuuichi takikawa
shuuichi takikawa
JAPAN
54
1
1
2
