Specifications

0.1Hz-5MHz function generator
Output waveform: Sine, Triangle, Square, Positive and Negative Pulse, saw tooth wave

Features: function generator

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,

Sine Characteristic

1.Distortion: Less than 1% at 10Hz--10 KHz

2.Frequency Response: 0.1Hz--100MHz: Less than ±0.5dB    100KHz--2MHz (LW-1641): Less than±1dB

TTL/COMS Output

1. Level: TTL low level less than 0.4V in pulse wave, high level less than       3.5V,CMOS low less tan 0.5V in pulse wave, high level 5V--14V  continuously variable.

2.Rising Time: less than 100ns

VCF Input

1.Output Voltage:-5V---0V±10

2.Max.volt-cotrolled: 1000:1

3.Input Signal: DC-1KHz

Frequency counter:

1.Measuring Range: 1Hz--10MHz≥10Vp-p

2.Input Impedance: Not less than1MΩ/20F

3.Sensitivity: 100mVrms

4.Max.Input:150V (AC+DC)

5.Input Attenuation: 20dB

6.Accuracy: Less than 0.0003%±1digit

7.Line power: 220V/110V±10%, 50Hz/60Hz

8.Dimension: 270*225*90mm

9.Weight: about 2.5kg