GRATTEN ATF20B+ 20MHz 100MSa/s Double Channel DDS Function Signal Generator Arbitrary Waveform

Features:
Direct Digital Synthesis(DDS) technology, 2 independent output channels.
High frequency resolution, full-range resolution is 1μHz.
32 kinds of standard waveforms, 8 groups of arbitrary waveforms.
40 groups of the user parameters storage and recall.
Multiple modulation functions: FM, FSK, ASK, PSK.
Frequency shifts to stable values instantly with constant phase and amplitude.
Frequency sweep, amplitude sweep and burst functions.
Count the frequency, period, amplitude RMS value or peak-to-peak value.
Over-voltage, over-current, output short-circuit and reverse voltage protections.
Input voltage is switchable(AC110V/AC220V) through the switch on the back of the instrument.
With RS232 interface.
3.5 TFT LCD display.