The EM1645 is a function generator from SMT Max that capable of accommodating frequencies from 0.1Hz-1 MHz. It has a variety of output waveforms such as triangle, square, sine, pulse, ramp, TTL level, and single pulse. This generator delivers an output impedance of 1Ω, amplitude of 1 mV-25Vp-p, and ATT of 20dB+40dB. Its power output ranges from 0.1Hz-100KHz with a protective circuit.