PlutoSDR Source

The ADALM-PLUTO (PlutoSDR) is a low-cost SDR made by Analog Devices, based on the AD9364 RFIC (same RFIC as in the USRP B series). It can operate from 70MHz to 6GHz, and has a max sample rate of 56 MHz, but because it only has USB 2.0, the 56 MHz can only be received in short bursts. The max sample rate when continuously receiving is more like 4 or 5 MHz.

Parameters

LO Frequency

Selects the RX local oscillator frequency.

IIO context URI

IP address of the unit, e.g. "ip:192.168.2.1" (without the quotes)

Sample Rate

sample rate - samples per second

RF Bandwidth

Configures RX analog filters: RX TIA LPF and RX BB LPF.

Buffer size

Size of the internal buffer in samples. The IIO blocks will only input/output one buffer of samples at a time.

Quadrature

True/False

RF DC Correction

True/False

BB DC Correction

True/False

Gain Mode (Rx1)

Selects one of the available modes: manual, slow_attack, hybrid and fast_attack.

Manual Gain (Rx1)(dB)

gain value

Filter

Allows a FIR filter configuration to be loaded from a file.

Filter Auto

When enabled loads a default filter and thereby enables lower sampling / baseband rates.

Example Flowgraph

This flowgraph shows a broadcast FM receiver.

Source Files

The actual source and sink blocks are created by an 'Industrial I/O' module. See https://wiki.analog.com/resources/tools-software/linux-software/gnuradio for details.