On Sat, Apr 18, 2015 at 02:58:53PM +0100, William Hill wrote: > Hi, all this talk of blown amplifier stages is making me nervous, so a quick > sanity check needed. I’m wanting to use a HackRF to generate a test signal > and feed it into a DVB-S receiver. This is about 950MHz so the HackRF outputs > up to 15dBm. The DVB-S unit (SatLink WS-6906) is rated -65dBm to -25dBm, and > also sends out DC power for a LNB. The attenuator should block 50dB of the > DC, but I’ll check with a meter. So if I feed this from the HackRF through a > 50dB attenuator to the DVB-S unit is there anything obvious I’m missing > before I get to the magic smoke expedited egress event? > Thanks, > Bill
Instead of hard wiring through - feed the hackrf through your 50db attenuator into a 50 ohm dummy load - place the receiver at the other end of the test bench - move rx closer until you hear a signal? AndyC > _______________________________________________ > HackRF-dev mailing list > HackRF-dev@greatscottgadgets.com > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev _______________________________________________ HackRF-dev mailing list HackRF-dev@greatscottgadgets.com https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
