Specifications

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,      8. 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