TV transmitter circuit is working on the UHF channell, 470-580 MHz frequency channel 21-34. This transmitter can radiate as far as 30-100 meters by using a cable 10-20 cm.
(http://4.bp.blogspot.com/_oH9cuSJx7ZY/SQi1PDUBCII/AAAAAAAABeU/LhUpU8_zJcw/s200-R/UHF_Video+_Transmitter_BFR90_01.jpg)
TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries.
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1Rp_OG4I/AAAAAAAABek/8ISU0qpSiCY/s1600/UHF_Video%2B_Transmitter_BFR90.JPG)
This is an important thing to remember for building of the tv ransmitter circuit is that the dimensions of coil size to match the frequency of the desired work. The value of the spindle is making coil as follows:
L1, L2 = 3 Turns, diam. 3mm, 0.5mm wire
L3 = 2 Turns, diam. 3 mm, 0.5 mm wire
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1QlQW7gI/AAAAAAAABec/f8Gc1VGcxAk/s320-R/UHF_Video+_Transmitter_BFR90_02.jpg)
source : http://go2media.blogspot.com/2008/10/470-580-mhz-uhf-tv-transmitter.html
TV transmitter circuit is working on the UHF channell, 470-580 MHz frequency channel 21-34. This transmitter can radiate as far as 30-100 meters by using a cable 10-20 cm.
(http://4.bp.blogspot.com/_oH9cuSJx7ZY/SQi1PDUBCII/AAAAAAAABeU/LhUpU8_zJcw/s200-R/UHF_Video+_Transmitter_BFR90_01.jpg)
TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries.
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1Rp_OG4I/AAAAAAAABek/8ISU0qpSiCY/s1600/UHF_Video%2B_Transmitter_BFR90.JPG)
This is an important thing to remember for building of the tv ransmitter circuit is that the dimensions of coil size to match the frequency of the desired work. The value of the spindle is making coil as follows:
L1, L2 = 3 Turns, diam. 3mm, 0.5mm wire
L3 = 2 Turns, diam. 3 mm, 0.5 mm wire
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1QlQW7gI/AAAAAAAABec/f8Gc1VGcxAk/s320-R/UHF_Video+_Transmitter_BFR90_02.jpg)
source : http://go2media.blogspot.com/2008/10/470-580-mhz-uhf-tv-transmitter.html
Mas, nama saya Ida Bagus P. Mahayana , mahasiswa dari Bandung jurusa Teknik Telekomunikasi ,ada beberapa pertanyaan saya tentang Transmitter UHF 470 - 580 MHz ,saya ingin membuatnya dan menganalisanya juga karena ada hubungan dengan tugas akhir saya :
1. Rangkaian transmitter yang Mas buat ini terdiri dari blok-blok apa saja?
2. Rangkaian yang ngebangkitkan frekuensi carriernya ada dimana Mas ?
3. Kalau saya tambahkan Penguat RF , itu saya harus saya letakkan diposisi mana Mas ??
4. Apakah rangkaian ini menggunakan Filter ? kalau menggunakan Filter , filter jenis apa yang di gunakan ? dan letak rangkaiannya dimana?
Mohon Bantuannya yak Mas ,,saya berterima kasih sekali kalau Mas mau membalas email saya ini ,semoga Tuhan membalas kebaikan Mas ...
dari Ida Bagus P. Mahayana
TV transmitter circuit is working on the UHF channell, 470-580 MHz frequency channel 21-34. This transmitter can radiate as far as 30-100 meters by using a cable 10-20 cm.
(http://4.bp.blogspot.com/_oH9cuSJx7ZY/SQi1PDUBCII/AAAAAAAABeU/LhUpU8_zJcw/s200-R/UHF_Video+_Transmitter_BFR90_01.jpg)
TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries.
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1Rp_OG4I/AAAAAAAABek/8ISU0qpSiCY/s1600/UHF_Video%2B_Transmitter_BFR90.JPG)
This is an important thing to remember for building of the tv ransmitter circuit is that the dimensions of coil size to match the frequency of the desired work. The value of the spindle is making coil as follows:
L1, L2 = 3 Turns, diam. 3mm, 0.5mm wire
L3 = 2 Turns, diam. 3 mm, 0.5 mm wire
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1QlQW7gI/AAAAAAAABec/f8Gc1VGcxAk/s320-R/UHF_Video+_Transmitter_BFR90_02.jpg)
source : http://go2media.blogspot.com/2008/10/470-580-mhz-uhf-tv-transmitter.html
Input audionya kok belum ada bang???
TV transmitter circuit is working on the UHF channell, 470-580 MHz frequency channel 21-34. This transmitter can radiate as far as 30-100 meters by using a cable 10-20 cm.
(http://4.bp.blogspot.com/_oH9cuSJx7ZY/SQi1PDUBCII/AAAAAAAABeU/LhUpU8_zJcw/s200-R/UHF_Video+_Transmitter_BFR90_01.jpg)
TV transmitter requires supplies voltage of 9-15 Volt. However, you can also use a 9v batteries.
cocok untk di aplikasikan pada cctv sederhana
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1Rp_OG4I/AAAAAAAABek/8ISU0qpSiCY/s1600/UHF_Video%2B_Transmitter_BFR90.JPG)
This is an important thing to remember for building of the tv ransmitter circuit is that the dimensions of coil size to match the frequency of the desired work. The value of the spindle is making coil as follows:
L1, L2 = 3 Turns, diam. 3mm, 0.5mm wire
L3 = 2 Turns, diam. 3 mm, 0.5 mm wire
(http://3.bp.blogspot.com/_oH9cuSJx7ZY/SQi1QlQW7gI/AAAAAAAABec/f8Gc1VGcxAk/s320-R/UHF_Video+_Transmitter_BFR90_02.jpg)
source : http://go2media.blogspot.com/2008/10/470-580-mhz-uhf-tv-transmitter.html