... inverter.YB1602 YB1605 YB1610 YB1615 YB1620 · Digital Frequency counter · Linear/Log Sweep Frequency Function · External FM VCF Input · TTL/CMOS Output ... ,Ramp·Signal Type: single,FM,AM,Sweep·Sweep Type: Linear,Log·Sweep Rate: 5s~10ms·Output Range: 20Vp-p1MΩ 10Vp-p50 ...