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Ahmet UZUN

TV Show Express - 0 views

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TV Show Express

shared by Ahmet UZUN on 16 Jan 11 - Cached
  • Ahmet UZUN on 16 Jan 11
     
    TV Show Express
  • Ahmet UZUN on 16 Jan 11
     
    TV Show Express
Ahmet UZUN

Tekniksat TMH 3000 Mini HD Özellikleri - 0 views

www.uydudoktoru.com/...-3000-mini-hd-ozellikleri.html

Tekniksat TMH 3000 Mini HD Özellikleri

shared by Ahmet UZUN on 03 Oct 12 - No Cached
  • Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. MPEG2 SD, MPEG2 HD, H.264/AVC SD, H.264/AVC HD KU/C Band Uydulardan SCPC ve MCPC Yayın AlabilmeOtomatik PAL/NTSC Çevirme8000 TV ve RadyoKanal Hafızası Çoklu OSD Dil Seçeneği (Türkçe, İngilizce, Fransızca, Almanca, İspanyolca, Portekizce, Rusça, Arapça, Polonyaca, Yunanca, Slovakça, Macarca, Hollandaca, Sırpça)7 Günlük Elektronik Program Rehberi DesteğiUSB Aygıta Kayıt Yapabilme ve Zaman Kaydırma ÖzelliğiMP3 Müzik Dosyalarını Çalabilme, Resim Albümleriniz İçin Slayt Show OlanağıGrafik OSD Ekranda Canlı Yayın İzleyebilmeOtomatik, Kör ve NIT Arama ÖzelliğiDiseqC 1.2 Desteği 13/18V, 0/22K, 0/12V LNB KontrolüDeğişik Kanal Düzenleme Seçenekleri (Favori Listeler, Taşıma, Kilitleme, Sıralama, Silme ve Yeniden Adlandırma)Kanallar İçin Yaş Sınırlaması OlanağıKolay Kullanımlı OSD MenüRS-232 ile ve USB Flash Disk ile Yazılım Güncelleme8 Zamanlayıcı Rezervasyonu Programlayabilme OlanağıAltyazı DesteğiVBI ve OSD Üzerinden Teletext Desteği Son Kanal HafızasıKanal Listelerini Alfabetik, Şifreli / Şifresiz ve Varsayılan Değerlere Göre SıralamaHD ve SD Kanalları Aynı Anda GösterebilmeUSB Aygıt FAT16/FAT32/FAT12 Dosya Format DesteğiJPEG/BMP Dosyaları Listeleyebilme480i/p, 576i/p, 720p, 1080i, 1080p Çözünürlük ve HDCP ile İçerik Kopyalamaya KarşıKorumaOyunlarKayıt sırasında zaman kaydırma özelliği
  • Ahmet UZUN on 03 Oct 12
     
    "Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. Orijinal görüntüsünü görmek için buraya tıklayın. 750x750 px. MPEG2 SD, MPEG2 HD, H.264/AVC SD, H.264/AVC HD KU/C Band Uydulardan SCPC ve MCPC Yayın Alabilme Otomatik PAL/NTSC Çevirme 8000 TV ve RadyoKanal Hafızası Çoklu OSD Dil Seçeneği (Türkçe, İngilizce, Fransızca, Almanca, İspanyolca, Portekizce, Rusça, Arapça, Polonyaca, Yunanca, Slovakça, Macarca, Hollandaca, Sırpça) 7 Günlük Elektronik Program Rehberi DesteğiUSB Aygıta Kayıt Yapabilme ve Zaman Kaydırma Özelliği MP3 Müzik Dosyalarını Çalabilme, Resim Albümleriniz İçin Slayt Show Olanağı Grafik OSD Ekranda Canlı Yayın İzleyebilme Otomatik, Kör ve NIT Arama Özelliği DiseqC 1.2 Desteği 13/18V, 0/22K, 0/12V LNB Kontrolü Değişik Kanal Düzenleme Seçenekleri (Favori Listeler, Taşıma, Kilitleme, Sıralama, Silme ve Yeniden Adlandırma) Kanallar İçin Yaş Sınırlaması Olanağı Kolay Kullanımlı OSD Menü RS-232 ile ve USB Flash Disk ile Yazılım Güncelleme 8 Zamanlayıcı Rezervasyonu Programlayabilme Olanağı Altyazı Desteği VBI ve OSD Üzerinden Teletext Desteği Son Kanal Hafızası Kanal Listelerini Alfabetik, Şifreli / Şifresiz ve Varsayılan Değerlere Göre Sıralama HD ve SD Kanalları Aynı Anda Gösterebilme USB Aygıt FAT16/FAT32/FAT12 Dosya Format Desteği JPEG/BMP Dosyaları Listeleyebilme 480i/p, 576i/p, 720p, 1080i, 1080p Çözünürlük ve HDCP ile İçerik Kopyalamaya Karşı Koruma Oyunlar Kayıt sırasında zaman kaydırma özelliği "
  • Ahmet UZUN on 03 Oct 12
     
    Tekniksat TMH 3000 Mini HD Özellikleri
Ahmet UZUN

Precison Power Supply, 0-40V/2A (0-40V/2A Güç Kaynağı) - 0 views

uydudoktoru.com/...v-2a-0-40v-2a-guc-kaynagi.html

shared by Ahmet UZUN on 18 Mar 12 - No Cached
  • Ahmet UZUN on 18 Mar 12
     
    " Precision Power Supply © 1986 Doug Bedrosian and 2010 Tony van Roon "This Precision Power Supply is a nice addition on your workbench as primary, or in my case, a supplementary power supply. With zero to 40V and 2A with adjustable current limiting it will surely gets lots of use on your bench. On average the most amperage for a power supply someone needs is around two or three amps. The sensitivity for current limiting is fully adjustable. Have fun building!" Introduction: Test instruments are considered to be some of the most useful tools available when constructing a project. They are also considered to be the most expensive tools one could buy. For instance, a power supply of any quality and usefulness can range from several hundred dollars to several thousand dollars. The alternative to buying a power supply is to build one. The power supply in this article has a voltage range from 0 to 40V and a current range from 0 to 2 amps with current limiting set by the user. The quality of the supply is determined by the time and care the builder takes while constructing it. How It Works: The power supply is best understood when divided into separate parts. The first parts to look at are the two power supply sections. The output supply section consists of XFMR1, Br1, C1, and C2. They supply the appropriate voltage and current required at the output. The IC supply consists of XFMR2, Br2, and C3. The two power supply sections must be separate from each other because a floating ground is required for IC1. The next section is the voltage control. RV1 and R2 determine the operating point of a constant current source out of pin 3 of IC1. By varying RV1 the maximum output voltage will be set. Pins 8 and 9 are inputs to a high gain differential amplifier contained in IC1. By adjusting potentiometer P1 the voltage at pin 8 will vary; this will cause the voltage at the output to change until it is equal to the voltage at pin 8. Due to the high gain of the differenti
  • Ahmet UZUN on 18 Mar 12
     
    Precision Power Supply © 1986 Doug Bedrosian and 2010 Tony van Roon "This Precision Power Supply is a nice addition on your workbench as primary, or in my case, a supplementary power supply. With zero to 40V and 2A with adjustable current limiting it will surely gets lots of use on your bench. On average the most amperage for a power supply someone needs is around two or three amps. The sensitivity for current limiting is fully adjustable. Have fun building!" Introduction: Test instruments are considered to be some of the most useful tools available when constructing a project. They are also considered to be the most expensive tools one could buy. For instance, a power supply of any quality and usefulness can range from several hundred dollars to several thousand dollars. The alternative to buying a power supply is to build one. The power supply in this article has a voltage range from 0 to 40V and a current range from 0 to 2 amps with current limiting set by the user. The quality of the supply is determined by the time and care the builder takes while constructing it. How It Works: The power supply is best understood when divided into separate parts. The first parts to look at are the two power supply sections. The output supply section consists of XFMR1, Br1, C1, and C2. They supply the appropriate voltage and current required at the output. The IC supply consists of XFMR2, Br2, and C3. The two power supply sections must be separate from each other because a floating ground is required for IC1. The next section is the voltage control. RV1 and R2 determine the operating point of a constant current source out of pin 3 of IC1. By varying RV1 the maximum output voltage will be set. Pins 8 and 9 are inputs to a high gain differential amplifier contained in IC1. By adjusting potentiometer P1 the voltage at pin 8 will vary; this will cause the voltage at the output to change until it is equal to the voltage at pin 8. Due to the
Ahmet UZUN

1.3W VHF RF Amplifier 2SC1970 88-108 MHz - 0 views

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1.3W VHF RF Amplifier 2SC1970 88-108 MHz

shared by Ahmet UZUN on 11 Apr 12 - No Cached
  • This RF power amplifier is based on the transistor 2SC1970 and 2N4427. The output power is about 1.3W and the input driving power is 30-50mW. It will still get your RF signal quit far and I advice you to use a good 50 ohm resistor as dummy load. To tune this amplifier you can either use a power meter/wattmeter, SWR unit or you can do using a RF field meter. RF Amplifier Assembly Good grounding is very important in a RF system. I use bottom layer as Ground and I connect it with the top with wires to get a good grounding. Make sure you have some cooling at the transistor. In my case I put the 2SC1970 close to the PCB to handle the heat. With good tuning the transistor shouldn't become hot. RF Amplifier Printed Circuit Board You can download a pdf file which is the black PCB. The PCB is mirrored because the printed side side should be faced down the board during UV exposure. To the right you will find a pic showing the assembly of all components on the same board. This is how the real board should look when you are going to solder the components. It is a board made for surface mounted components, so the copper is on the top layer. I am sure you can still use hole mounted components as well. Grey area is copper and each component is draw in different colors all to make it easy to identify for you. The scale of the pdf is 1:1 and the picture at right is magnified with 4 times. Click on the pic to enlarge it. Low-Pass Filter Some of you might want to add a low-pass filter at the output. I have not added any extra low pass filter in my construction because I don't think it is needed. You can easy find several homepages about low pass filter and how to build them.
  • Ahmet UZUN on 11 Apr 12
     
    1.3W VHF RF Amplifier 2SC1970 88-108 MHz
  • Ahmet UZUN on 11 Apr 12
     
    1.3W VHF RF Amplifier 2SC1970 88-108 MHz
Ahmet UZUN

TV Transmitter (TV Verici devresi) - 0 views

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TV Transmitter (TV Verici devresi)

shared by Ahmet UZUN on 31 Aug 11 - No Cached
  • If you are interested to build TV transmitter for your electronic project this Advanced TV Transmitter With Sound designed by Tetsuo Kogawa could be good idea for you. TV transmitter consists of of the two sections: video transmitter and audio amplifying. Both of them actually is transmitters. The main one generates video carrier while the smaller one generates the exact 4.5 (5.5 in some countries) MHz FM audio carrier. When it is supplied to the main section, the combination generates the audio carrier that is the total of the video frequency plus 4.5 MHz (this is the same in the US but different in other countries: 3.5 in the UK, 5.0 in Italy, 5.5 in Australia and so on: see the channel plans). The Audio section (1)Coil: The most difficult point is the coil. You can use any type of coil as long as it fits the inductance. But the size of coil for 4.5 MHz is quite large if you use usual type of coils. Here I will use Ferrite Troidal core that is made by Amidon Associates. Wind 0.2 ECW (enamel-coated wire) around the "FT-50-43" (Amidon) in 24 turns. (2)Transistor: You can use popular ones such as 2SC2001, 2SC1815, 2SC1907, etc. But you must keep the pins (E, C, B). How to adjust: Connecting the prove of the frequency counter at "#to the audio-in". Then adjust "Trimer cap. (80PF)" as the frequency counter shows exactly 4.5MHz. Sometimes, you have to add some capacitors (depending 100-1000PF) at the "E(mitter)" position of the transistor in order to adjust the frequency.
  • Ahmet UZUN on 31 Aug 11
     
    "TV Transmitter (TV Verici devresi) "
  • Ahmet UZUN on 31 Aug 11
     
    TV Transmitter (TV Verici devresi)
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