How do I set the RX frequency on a R820T/ R820T2 based SDR
2021年3月3日 · R820T/RTL-SDR dongles are easily overloaded from nearby strong broadcast transmissions. The USB dongles sold for ADS-B often have RF band-pass filtering to block out …
How to distinguish SDR 820T and 820T2 dongles on Linux?
2017年5月30日 · The R820T and the R820T2 differ. The R820T can set a narrow IF filter (300 kHz) - but not if the gain is set at maximum. The R820T2 can not set a narrow filter - minimum …
How to determine the PPM value of a NESDR SMArt?
2017年3月14日 · $ ./kal.exe -v -e 1 -c 74 average [min, max] (range, stddev) + 235Hz [228, 243] (15, 4.489251) overruns: 0 not found: 0 average absolute error: 0.753 ppm Found 1 device(s): …
RTL-SDR - rtl_fm: undefined symbol: rtlsdr_set_bias_tee
2019年3月23日 · Found 1 device(s): 0: Realtek, RTL2838UHIDIR, SN: 00000001 Using device 0: Generic RTL2832U OEM Found Rafael Micro R820T tuner Tuner gain set to 49.60 dB. rtl_fm: …
Using dvb-t device as rtl-sdr - Amateur Radio Stack Exchange
2020年6月18日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Simple AM receiver with gnuradio / RTL-SDR
Using device #0 Realtek RTL2838UHIDIR SN: 00000001 Found Rafael Micro R820T tuner [R82XX] PLL not locked! However, I'm inclined to think this is not significant, since I get the …
Newest 'sdrsharp' Questions - Amateur Radio Stack Exchange
Q&A for amateur radio enthusiasts. Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community …
What is the difference between channel & frequency & band in RF?
2015年11月30日 · For regulatory purposes, a frequency is usually used to refer to a carrier frequency, which has a specific meaning related to the mode of transmission (for example, in …
How to find or derive the maximum safe input power to a receiver?
2017年3月21日 · "If you look at the R820T datasheet … you can see the max input power is 10dBm" source; For the VNWA3 a "Maximum permissible external RF Input Level to TX-Out …
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