Dongguan Longwei Electronic Technology Co., Ltd

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DDS Function Signal Generator

dds function signal generator This is arbitrary function generator, it is also named arbitrary waveform generator. We have 10mhz, 20mhz, 40mhz, 60mhz, 100mhz dds function generator. Features: 1.Direct Digital Synthesis(DDS) technology, 2 independent output channels 2.3.5-inch TFT display 3.32...

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Product Details

dds function signal generator

This is arbitrary function generator, it is also named arbitrary waveform generator. We have 10mhz, 20mhz, 40mhz, 60mhz, 100mhz dds function generator.


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 wave forms
4.Minimum stable output waveform: 1mV(50Ω)
5.Multiple modulation functions: FM, FSK, ASK, PSK
6.Frequency sweep, amplitude sweep and burst functions
7.Over voltage, over current, output short-circuit and reverse voltage protections


MODEL (TFT display)

LWG-3010

LWG-3020

LWG-3040

LWG-3060

LWG-3080

Frequency Range(sine)

40mHz~10MHz

40mHz~20MHz

40mHz~40MHz

40mHz~60MHz

40mHz~80MHz


Specifications:

Output Characteristics of Channel A
Waveform Characteristics

Waveform type: 32 wave forms 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 waveform 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 waveform: 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
Max.output voltage: 22Vpp
Frequency bandwidth: 1Hz~200kHz
Gross weight: 3.5kg

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