quick overview :

1.Frequency of the mode: 0.1Hz---2MHz/ 5MHz/ 10MHz

2.Output waveform: Sine, Triangle, Square, ±Ramp, ±Pulse

3.TTL/CMOS and OUTPUT synchronous output

4.Less than 1% distortion at 10Hz-- 100 KHz

5.Less than 0.5dB frequency response at 0.1Hz--- 100 KHz

1Hz---30MHz frequency counter

Specifications:

1.Frequency: LW1641: 0.1Hz--2MHz, LW-1642: 0.1Hz--5MHz

                    LW-1643: 0.1Hz--10MHz

2.Output waveform: Sine, Triangle, Square, Positive and Negative Pulse, saw tooth wave

3.Output Impedance: 50Ω±10%

4.Amplitude: Not less than 20V p--p (open circuit)

5.DC Voltage: 0--±10V continuously adjustable

6.Symmetry Range: 90:10--10:90

7.Rising Edge of Square: LW-1641: less than 100ns, LW-1642: less than 50ns,      LW1643: less than 50ns,