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Unisource DFG-2020 20MHz Low Cost DDS Function Generator

Output Frequency: 1uHz~20MHz
  • Brand Unisource
  • Part # DFG-2020
  • Condition
    Brand New

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Output Frequency:
Output Frequency: 1uHz~20MHz

20MHz Low Cost DDS Function Generator

The DFG 2000 series LOW COST function generators with maximum frequency of 5MHz, 10MHz and 20MHz were designed based on Direct Digital Synthesis (DDS) technology providing flexible performance and system features for basic scientific and industrial requirements. These models are equipped with 8 bit resolution, 100MSa/s sampling rate, 1024 pts memory length and 32 built in waveforms for various waveforms for different needs.

The DFG 2000 series have additional functions of multiple modulations of FM, FSK, ASK and PSK, 200MHz external frequency counter, 40 sets memories and multiple protections. Low cost, stable output frequency, high accuracy and low distortion make DFG 2000 series an ideal solution for an accurate and affordable signal source for industrial, scientific research and educational applications.

Features:

  • 2 output channels
  • Direct Digital Synthesis technology (DDS)
  • Min. output amplitude 1mV (50Ω) with good stability
  • Sampling rate 100MSa/s, vertical resolution 8 bits and waveform length 1024 points
  • 32 built-in waveforms
  • 40 sets save and recall for panel settings
  • Modulations: FM, FSK, ASK, PSK
  • Frequency sweep, amplitude sweep, burst and TTL output functions
  • Over voltage, over current, short circuit and reverse voltage protections
  • High speed rotary dial and keypad input
  • Standard 200MHz external frequency counter
  • RS-232 interface for PC remote control
  • RS232 cable and RS232 to USB cable provided
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Technical Details

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Output frequency1μHz~20MHz
Waveform
Output waveform32 built-in waveforms, including Sine, Square, Triangle, Ramp, Pulse, etc.
Waveform length1024 points
Vertical resolution8 bits
Sampling rate100MSa/s
Sine Harmonic distortion≥40dBc (<1MHz); ≥35dBc (1~20MHz)
Sine Total distortion≤1% (20Hz~200kHz)
Square Rise/fall time≤35ns
Square Overshoot≤10%
Square Duty cycle1%~99%
Frequency
Range Sine1μHz~20MHz
Range Square1μHz~5MHz
Range Other1μHz~1MHz
Resolution1μHz
Accuracy±5x10-5
Stability±5x10-6/3hours
Output characteristics
Amplitude Range2mVpp~20Vpp (open circuit, ≤10MHz)
2mVpp~15Vpp (open circuit, 10MHz~15MHz)
2mVpp~8Vpp (open circuit, 15MHz~20MHz)
Amplitude Resolution20mVpp (amplitude>2Vpp); 2mVpp (amplitude<2Vpp)
Amplitude Accuracy±(1%+2mVrms) (open circuit, 1kHz, sine)
Amplitude Stability±0.5% /3hours
Amplitude Flatness±5% (<10MHz); ±10% (>10MHz)
Amplitude Output impedance50Ω
Offset Range±10V (open circuit, attenuation 0 dB)
Offset Resolution20mVdc
Offset Accuracy±(1%+20mVdc)
Sweep
ParameterFrequency, Amplitude
RangeFree to set start and stop point
Time100ms~900s
DirectionUp, Down, Up-Down
ModeLinearity, Logarithmic
ControlAuto sweep or manual sweep
Frequency Modulation (FM)
Carrier signalCHA signal
Modulating signalCHB or external signal
Deviation0%~20%
Shift Keying
FSKFree to set the hop frequency and the carrier frequency
ASKFree to set the hop amplitude and the carrier amplitude
PSKHop phase: 0~360°, resolution: 1°
Alternative rate10ms~60s
Burst
Carrier signalCHA signal
Trigger signalTTL_A signal
Burst counts1~65000 cycles
Trigger sourceInternal TTL, External, Single
General
Operation characteristicsKey operation for all functions, Menu display, Rotary dial adjustment
DisplayMono LCD
InterfaceOptional RS-232 interface
Operating environment0~40 °C , <80%RH
Power sourceAC110V/220V±10% selectable, 50/60Hz, Max. 45VA
Product Details
Output frequency1μHz~20MHz
Waveform
Output waveform32 built-in waveforms, including Sine, Square, Triangle, Ramp, Pulse, etc.
Waveform length1024 points
Vertical resolution8 bits
Sampling rate100MSa/s
Sine Harmonic distortion≥40dBc (<1MHz); ≥35dBc (1~20MHz)
Sine Total distortion≤1% (20Hz~200kHz)
Square Rise/fall time≤35ns
Square Overshoot≤10%
Square Duty cycle1%~99%
Frequency
Range Sine1μHz~20MHz
Range Square1μHz~5MHz
Range Other1μHz~1MHz
Resolution1μHz
Accuracy±5x10-5
Stability±5x10-6/3hours
Output characteristics
Amplitude Range2mVpp~20Vpp (open circuit, ≤10MHz)
2mVpp~15Vpp (open circuit, 10MHz~15MHz)
2mVpp~8Vpp (open circuit, 15MHz~20MHz)
Amplitude Resolution20mVpp (amplitude>2Vpp); 2mVpp (amplitude<2Vpp)
Amplitude Accuracy±(1%+2mVrms) (open circuit, 1kHz, sine)
Amplitude Stability±0.5% /3hours
Amplitude Flatness±5% (<10MHz); ±10% (>10MHz)
Amplitude Output impedance50Ω
Offset Range±10V (open circuit, attenuation 0 dB)
Offset Resolution20mVdc
Offset Accuracy±(1%+20mVdc)
Sweep
ParameterFrequency, Amplitude
RangeFree to set start and stop point
Time100ms~900s
DirectionUp, Down, Up-Down
ModeLinearity, Logarithmic
ControlAuto sweep or manual sweep
Frequency Modulation (FM)
Carrier signalCHA signal
Modulating signalCHB or external signal
Deviation0%~20%
Shift Keying
FSKFree to set the hop frequency and the carrier frequency
ASKFree to set the hop amplitude and the carrier amplitude
PSKHop phase: 0~360°, resolution: 1°
Alternative rate10ms~60s
Burst
Carrier signalCHA signal
Trigger signalTTL_A signal
Burst counts1~65000 cycles
Trigger sourceInternal TTL, External, Single
General
Operation characteristicsKey operation for all functions, Menu display, Rotary dial adjustment
DisplayMono LCD
InterfaceOptional RS-232 interface
Operating environment0~40 °C , <80%RH
Power sourceAC110V/220V±10% selectable, 50/60Hz, Max. 45VA
Note

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(800) 884-5767
+1 (332) 900-3727 (Intl.)