Project Description

  • LWG-3020 Fornt View

Main Features:

  1. Direct Digital Synthesis(DDS) technology,2 independent output channels
  2. 3.5-inch TFT display
  3. 32 kinds of standard or built-in fixed waveforms
  4. Minimum stable output waveform: 1mV(50Ω)
  5. Multiple modulation functions: FM,FSK,ASK,PSK
  6. Frequency sweep,amplitude sweep and burst functions
  7. Overvoltage,overcurrent,output short-circuit and reverse voltage protections
  8. Optional parts: RS232 interface,frequency counter,power amplifier
MODEL  (TFT display)LWG-3010LWG-3020LWG-3040LWG-3060LWG-3080
Frequency Range (sine)40mHz-10MHz40mHz-20MHz40mHz-40MHz40mHz-60MHz40mHz-80MHz

Technical Specifications

Output Characteristics of Channel A

Waveform Characteristics

Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.

Waveform length: 1024 points     Sample rate: 100MSa/s

Waveform amplitude resolution: 8bits

Sinusoidal harmonic rejection: ≥ 40dBc (<1MHz), ≥ 35dBc (1MHz-20MHz)

Sine wave total distortion: ≤1% (20Hz~200kHz)

Square rise/fall edge time: ≤35ns              Overshoot: ≤10%

Square wave duty cycle: 1%-99%

Frequency Characteristics

Frequency range: Sine: 40mHz-Max. frequency (MHz)   Other waveforms: 40mHz-1MHz

Frequency resolution: 40mHz

Frequency accuracy: ±(5×10-5+40mHz)

Frequency stability: ±5×10-6/3 hours

Amplitude Characteristics

Amplitude range: 2mVpp-20Vpp        40mHz-10MHz (high impedance)

2mVpp-15Vpp      10MHz-15MHz (high impedance)

2mVpp-8Vpp        15MHz-20MHz (high impedance)

Resolution: 20mVpp (amplitude>2Vpp), 2mVpp (amplitude<2Vpp)

Amplitude accuracy: ±(1%+2mVrms) (high impedance, true RMS, frequency at 1kHz)

Amplitude stability: ±0.5%/3 hours

Amplitude flatness: ±5% (frequency<10MHz), ±10% (frequency >10MHz)

Output impedance: 50Ω

DC Offset Characteristics

Offset range: ±10V (high impedance, attenuation 0dB)     Resolution: 20mVdc

Offset accuracy: ±(1%+20mVdc)

Sweep Characteristics

Linear sweep on frequency or amplitude.

Sweep range: free to set start point and stop point.

Sweep step: higher than any figure of resolution.

Sweep rate: 10ms~60s/step

Sweep mode: UP, DOWN, UP-DOWN

Manual sweep: step/time

Frequency Modulation Characteristics

Carrier signal: channel A signal

Modulation signal: internal signal of channel B or external signal

FM deviation: 0%-20%

Shift Keying Characteristics

FSK: free to set carrier frequency and hop frequency

ASK: free to set carrier amplitude and hop amplitude

PSK: hop phase 0-360°,  Max. resolution 1°

Alternative rate: 10ms-60s

Burst Characteristics

Carrier signal: channel A signal

Trigger signal: TTL_A signal

Burst count: 1-65000 cycles

Burst mode: Internal TTL, External, Single

Output Characteristics of Channel B

Waveform Characteristics

Waveform type: 32 waveforms including: Sine, Square, Triangle, Ramp, Pulse etc.

Waveform length: 1024 points     Sample rate: 12.5MSa/s

Waveform amplitude resolution: 8bits

Square duty cycle: 1%-99%

Frequency Characteristics

Frequency range: Sine: 10mHz-1MHz             Other waveforms: 10mHz-100kHz

Frequency resolution: 10mHz

Frequency accuracy: ±(1×10-5+10mHz)

Amplitude Characteristics

Amplitude range: 50mVpp-20Vpp (high impedance)    Resolution: 20mVpp

Output impedance: 50Ω

Burst Characteristics

Carrier single: Channel B signal

Trigger signal: TTL_B signal

Burst count: 1-65000 cycles

Burst mode: Internal TTL, External, Single

TTL Output Characteristics

Waveform Characteristics: Square, rise/fall time≤20ns

Frequency Characteristics: 40mHz-1MHz

Amplitude Characteristics: TTL, CMOS compatible, low < 0.3V, high > 4V

Common Characteristics

Power Source

Voltage: AC220V (1±10%)

AC110V (1±10%) (Pay attention to the voltage selection on rear panel)

Frequency: 50Hz (1±5%)

Power: < 45VA

Environment

Temperature: 0-40℃   Humidity: < 80%

Operation Characteristics

Keypad operation and rotary knob operation

Display

3.5-inch TFT display

English, Chinese (simplified), Chinese (traditional)

Dimension and Weight

415x295x195mm         Weight: 3.5kg

Manufacturing Technology

Surface Mount Technology, Integrated Circuit. High reliability and stability.

Optional Parts Characteristics

Frequency Counter

Testing frequency range: 1Hz-150MHz

Input signal amplitude: 100mVpp-20Vpp

Power Amplifier

Max.output power: 7W (8Ω), 1W (50Ω)

Max.output voltage: 22Vpp

Frequency bandwidth: 1Hz-200kHz

LWG-3010 DDS Function Signal Generator User Manual

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