Hi Cliff, You don’t specify your bandwidth requirements but you might want to have a look at the ADALM-PLUTO SDR: https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm-pluto.html It does not fully match your requirements, however I am not aware of an SDR that can transmit and costs less than 50$. If you strip away the transmit requirements, the rtl-sdr is perfect for your needs: https://www.rtl-sdr.com/buy-rtl-sdr-dvb-t-dongles/ Maybe you can use this and an inexpensive arbitrary waveform generator?
Cheers, Jonas From: Discuss-gnuradio [mailto:discuss-gnuradio-bounces+jonas.manthey=u-blox....@gnu.org] On Behalf Of cliff palmer Sent: Mittwoch, 26. Juni 2019 15:15 To: discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] Inexpensive Digital RF Signal Generator I'd like to buy/build an inexpensive digital RF signal generator for testing RF scan/capture projects. I want something that - generates a digital pattern I specify (512 - 32k bits) - on a frequency I select (somewhere in the 100M - 500M range but the range of frequencies can be much narrower) - is entirely legal to operate in the US (I don't mind registering it with the FCC) - is simple enough that a newcomer to RF signal processing/SDR can make it work without pestering this fine list with dozens of questions - is controllable using software running on a linux or windows workstation connected via USB (JTAG is fine) - is inexpensive (read US$50 or less, or $100 or less if it makes coffee and performs light housekeeping) - is safe to operate (no breadboard layouts, and something you would let your grandchildren touch) - is powered by USB connection to a monitor, workstation or power adapter and the power connection on the Signal Generator can be USB, barrel connector, or any other standard connection And with all that, I am indifferent on color, form factor, brand name and such. Thanks in advance Cliff
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