National Instruments 783926-01

The National Instruments 783926-01, also known as the USRP-2950R, is a high-performance Software Defined Radio (SDR) device tailored for diverse wireless communication applications. This device comprises dual transmitter and receiver channels, covering an extensive frequency range from 50 MHz to 2.2 GHz, with a fine frequency step of less than 1 kHz for meticulous tuning across the spectrum. With power output capabilities ranging from 50 mW to 100 mW (17 dBm to 20 dBm) for frequencies between 50 MHz and 1.2 GHz, and from 30 mW to 70 mW (15 dBm to 18 dBm) for frequencies from 1.2 GHz to 2.2 GHz, the device ensures effective transmission performance. Gain control is adjustable from 0 dB to 31 dB in 1 dB steps.

This SDR supports bandwidth configurations of 40 MHz and 120 MHz, offering a maximum I/Q sample rate of 200 MS/s. Its advanced Digital to Analog Converter (DAC) features an 80 dB spurious-free dynamic range (sFDR) with 16-bit resolution, while the receiver boasts a gain range of 0 dB to 37.5 dB in 0.5 dB increments, and a noise figure of 5 dB to 7 dB, with identical frequency coverage as the transmitter. The receiver's Analog to Digital Converter (ADC) provides 14-bit resolution and an impressive sFDR of 88 dB.

For enhanced synchronization in demanding applications, the 783926-01 integrates a GPS disciplined oscillator (GPSDO) that aligns internal clocks with external GPS signals, facilitating precise timing and geolocation data. The device is equipped with 1 GB of onboard DRAM, providing sufficient memory for real-time data processing. Operating within a voltage range of 9 V to 16 V DC and a maximum current of 7.5 A, the unit exhibits a typical power consumption of 38 W to 44 W. The dimensions of the unit are 26.67 cm x 4.06 cm x 21.84 cm, weighing 1.588 kg, and is engineered for indoor use with optimal operational conditions between 23 °C ± 5 °C and relative humidity levels from 10% to 90%.