VK4ZXI

BlackMagic Design ATEM TV Studio problems with 1080p; a hardware limitation? In this post, I think I have discovered the problem of the ATEM TV Studio not accepting 1080p input, a hardware limitation. Alternatives are then considered. BlackMagic Design ATEM TV Studio As noted in earlier posts, I use BlackMagic Design ATEM TV Studio as the main component of my DATV studio to connect multiple cameras and other video sources. Overall it performs brilliantly well allowing for most features needed in a professional TV switcher, and with nothing else even remotely in the price range; $1000. http://vk4zxi.blogspot.com.au/2014/06/datv-dvb-t-blackmagic-designs-atem-tv.html     No 1080p input, despite being common format for cameras However, it has one very annoying problem, it will only accept 1080i input, not 1080p, which to a point is reasonable as 1080i is the highest resolution for broadcast TV. The big problem is that almost all cameras...

I have had success with transmitting video files, both test and HDMI ones I have captured off my camcorder via a Avermedia DarkCrystal HD Capture Pro PCI-E card. It all works as intended at full frame rate. The UT100C works well with files, even Full HD. Dongle at 1mW to rabbit's ears antenna, received off main house TV antenna. There is new software for the UT100C at   https://www.dropbox.com/sh/dvshv74hvjkau3a/uifV9Ve95l I was using Windows 8 but swapped back to Windows 7. Not sure it makes much difference as there is now a signed Windows 8 driver. Some receiver screenshots: The image and channel properties at 16QAM. TV receiver software is ProgDVB. It works, its free, its been around a long time. The 16QAM constellation diagram from Crazyscan2 with TBS 6220.  (I think this is very neat! All praise crazycat69!) Re-transmitted at 64QAM as per Australian DVB-T standard. The band scan showing my strong signal and the FTA stations further up...

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 ...