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The Keysight M9703B is an 8-channel, 12-bit wideband digital receiver/digitizer that is able to capture signals from DC up to 2 GHz at 1.6 GS/s, with exceptional measurement accuracy. An interleaving capability allows two channels to be combined to acquire at 3.2 GS/s on four channels, with up to 1.4 GHz instantaneous bandwidth. It also provides up to 16 GB of DDR3 acquisition memory and real-time data processing capability with four Xilinx Virtex-6 FPGAs. The on-board FPGAs can feature an optional real-time digital down-converter (DDC) that allows tuning and zooming on the signal to be analyzed. This DDC functionality improves the dynamic range, reduces the noise floor, extends the capture time, and accelerates measurement speed. Specifications.
Analog Input (IN1 to IN8 SMA Connectors). Number of channels: 8 (without -INT option), 8 or 4 (with -INT option). Impedance: 50 Ω ±2 %. Coupling: DC. Full scale ranges (FSR): 1 V and 2 V (3.98 dBm and 10 dBm). Maximum input voltage; 1V FSR: Clamp at ± 3.6 V, absolute maximum DC voltage rating ± 4.6 V. 2V FSR: Clamp at ± 6.3 V, absolute maximum DC voltage rating ± 5.0 V. Input frequency range (-3 dB bandwidth): DC to 650 MHz (typical)(-F05), DC to 1.9 GHz (typical) in 1V FSR at 1 GS/s or 1.6 GS/s(-F10). DC gain accuracy: ±0.5% (typical). Offset accuracy: ±0.5% in 1V FSR, ±1.5% in 2V FSR. Input voltage offset: -2xFSR to +2xFSR. Bandwidth limit filters: 650 MHz (nominal). Frequency response flatness: ±1 dB from DC to 650 MHz.
Options. SR1, 1 GS/s sampling rate version (2 GS/s sampling rate with -INT option). SR2, 1.6 GS/s sampling rate version (3.2 GS/s sampling rate with -INT option). F05, Input Frequency: DC to 650 MHz. F10, Input Frequency: DC to 2 GHz (non-interleaved). M10, 1 GB (64 MSample/ch) acquisition memory. M40, 4 GB (256 MSample/ch) acquisition memory. M16, 16 GB (1 GSample/ch) acquisition memory. DGT, Digitizer firmware. DDC, Wideband real-time digital down-conversion. INT, Interleaved channel sampling functionality. FDK, FPGA programming access. TSR, Triggered simultaneous acquisition and readout.
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