Upconverter supports transceiver testing.(PAUL'S PICKS)

The Model 2891-IQ Upconverter processes analog I and Q baseband signals for testing a transceiver's transmitter and analog I and Q output signals for testing a transceiver's receiver. It interfaces with single-ended or differential input RF transceivers and contains gain adjustments to accommodate various wireless chipsets and devices.

The compact upconverter features selectable 50-[ohm]/100-k[ohm] input impedance, a-41 dB EVM floor, and nonvolatile EEPROM for storing and recalling 10 user instrument states. It is controlled via a USB connection and programmed with a SCPI command set. Signal differential offsets may be set and adjusted and modulator gain set.

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Combining the 2891-IQ with the 2920 Vector Signal Generator and the 2820A Vector Signal Analyzer creates a simple RF transceiver test system. Keithley Instruments, www.rsleads.com/908ee-184

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