... curve tracer Shanghai Total Co., Ltd. is producing oscilloscope, signal generator, function generator, frequency counter, bench top meter, ... 2Hz~20MHz·Output Wave: Sin,Triangle,Puls,Ramp·Signal Type: single,FM,AM,Sweep·Sweep Type: Linear,Log·Sweep Rate ... width displayed simultaneouslyOutput waveforms: sine, square, triangleFrequency of output signal: 0.2Hz - 2MHzDuty cycle adjustable: 20% - 80% ...