... and surface mount technology12.Power Amplifier: optional part, maximum output power up to 7W13.Optional configurations: RS232 interface, ... 10ms~60s/stepSweep mode Up, Down, Up-Down, Single FMCarrier singal Channel A signalModulating signal internal signal of ... sAmplitude resolution 8 bitsSquare duty cycle 1% ~ 99% TTL Output Characteristics TTLWaveform rise/fall time 20ns (square)Frequency 40mHz ~ ...