VK4ZXI

BladeRF receiving DVB-T test transmission from VK4ZXI 1mW at 2 m from UT-100C DVB-T usb TX Well, it works. UT-100C USB DVB-T TX transmission from my laptop being received by BladeRF on 70 cm channel. Not a bad signal with few spurious. Amplifiers will have low pass filter. Now to do the amplifiers and antenna.

Summary of BladeRF SDR TRX BladeRF is a high performance SDR transceiver made by a small start-up company, Nuand http://www.nuand.com/bladeRF . Currently only mainboard is available for US$420, with a HF/VHF transverter due late November to give coverage down to 10 MHz. For receive only, an up-converter for RTL-SDR dongles could be used to go lower. Technical Specifications: •Fully bus-powered USB 3.0 SuperSpeed Software Defined Radio •Portable, handheld form factor: 5" by 3.5" •Extensible gold plated RF SMA connectors •300MHz - 3.8GHz RF frequency range •Independent RX/TX 12-bit 40MSPS quadrature sampling:  LMS6002D is a field programmable RF  transceiver http://www.limemicro.com/products/LMS6002D.php     •Capable of achieving full-duplex 28MHz channels •16-bit DAC factory calibrated 38.4MHz +/-1ppm VCTCXO •On-board 200MHz ARM9 SOC with ...

I am setting up a DVB-T tx on the atv channel on 70 cm. I am using a UT-100c USB dongle http://www.hides.com.tw/product_eng.html   http://www.idealez.com/hides/product-detail/en_US/69859 . It is only US$169 and produces 1 mW of DVB-T output. The software is at https://drive.google.com/folderview?id=0BzoVnSl8XNdQMmZPbDhEczA2RjA&usp=shar ing . There are some pdfs of the device and how the software works.   To use the dongle, only the windows driver and PC2TV are needed. With PC2TV, only the video works at the moment. PC2TV takes a deal of setting up but will work with a PC/laptop webcam.   Only the UT-100C dongle is needed to start. Some ordinary domestic DVB-T receivers can be used.  The DVB-T channels in Australia are 7 MHz wide, the same as free to air TV. As such, the standard Australian DVB-TV settings can be used. At 1 mW, it is possible to xmit on a free commercial channel and tune a TV to it, without causing any dramas. How...