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LWG-3040 40MHz Dual Channel DDS Signal Generator

LWG-3040 40MHz Dual Channel DDS Signal Generator

  • High Frequency Precision: Offers frequency accuracy of up to 10^-4 for dependable results.
  • Fine Frequency Resolution: 20mHz resolution allows for precise frequency adjustments across the entire range.
  • Accurate Waveform Output: Waveforms are synthesized from function calculations, ensuring low distortion and high fidelity.
  • Diverse Waveform Generation: Capable of producing 32 different waveforms to accommodate various testing requirements.
  • Adjustable Pulse Characteristics: Enables precise customization of pulse width and duty cycle.
  • Harmonic Signal Output: Generates both fundamental and harmonic signals with adjustable phase.
  • Flexible Scanning Features: Supports customizable frequency and amplitude scanning with user-defined start and stop points.
  • Modulation Capabilities: Can generate frequency-modulated (FM) signals for diverse applications.
  • Keying Signal Support: Outputs Frequency Shift Keying (FSK), Amplitude Shift Keying (ASK), and Phase Shift Keying (PSK).
  • Burst Signal Generation: Capable of producing burst pulse train signals for targeted testing activities.
  • User-Friendly Controls: All-button operation with bilingual menus (English/Chinese) and options for numeric input or dial adjustments.
  • Robust Protection Features: Includes over-voltage, over-current, short-circuit, and reverse voltage protections to ensure safe operation.
  • Optional Frequency Measurement: Expandable with a frequency counter feature for measuring internal and external signals.
  • Power Amplification Option: Available power amplifier increases output up to 7W for high-demand applications.
  • Programmable Control Interface: Optional RS232 interface for enhanced programmability and control.
Product Name: LWG-3040 Category: Tag:

Description

Model LWG-3040

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~40MHz        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 the 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

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 415×295×195 mm
Weight 3.5 kg
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

 

TitleDescriptionSizeDate addedDownload
Longwei DDS Signal Generaotr User Manual EN Version510.91 KB25-07-2023 Download
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