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2 U2761A User’s Guide
1Getting Started
Introduction
The U2761A is a 20 MHz USB modular function generator
with Arbitrary waveform and pulse generation capabilities. It
can operate as a standalone unit or as part of a modular
unit when used with the U2781A USB modular instrument
chassis.
The U2761A adopts the latest direct digital synthesis (DDS)
technology that digitally creates Arbitrary waveforms and
frequencies from a single, fixed source frequency. DDS offers
the precision of a digital control logic; reducing the
complexity of the generator while increasing the stability.
Thus, creating a stable, accurate output signal for clean, low
distortion sine waves with fast rise and fall time up to
20 MHz and linear Ramp waves up to 200 kHz.
Various features of the U2761A
• 20 MHz Sine and Square waveforms
• Hi-Speed 2.0, USBTMC 488.2 standards
• Sine, Square, Ramp, Triangle, Pulse, and DC waveforms
• 14-bit, 50 MSa/s, 64 K-point Arbitrary waveforms
• AM, FM, PM, ASK, FSK, and PSK modulation types
• 40 mVpp to 5 Vpp amplitude range for 50 Ω load, and
80 mVpp to 10 Vpp amplitude range for open circuit
• Pulse generation