ATF20B is new arrival DDS function Waveform generator using digital synthesis technology. ATF20B Signal Generator design is simple and clear. ATTEN ATF20B is 20MHz Signal Generator ATF20B with a rapid completion of performance targets. ATTEN ATF20B Waveform Generator ATF20B DDS Function Signal Generator ATF20B DDS function generator using digital synthesis technology, with a rapid completion of performance targets required for measurements and numerous features. The simple but clear design and the front panel / English LCD interface allows you more ease of operation and observation, scalable option feature allows you to obtain enhanced system features. ATTEN ATF20B DDS Features: - Direct Digital Synthesis(DDS) technology, 2 independent output channels - 3.5-inch TFT LCD display - High Frequency Resolution: full-range resolution is 40 MHz - Store 40 sets of the user parameters and recall - 32 kinds of standard or build-in fixed waveforms - Minimum stable output waveform: 1mV(50) - Multiple modulation functions: FM, FSK, ASK, PSK - 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 - High reliability: use VLSI components and surface mount technology - Power Amplifier: optional part, maximum output power up to 7W - Optional configurations: RS232 interface, Frequency Counter, Power Amplifier