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GW Instek SFG-2107:

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GW Instek SFG-2107 (SFG-2100 Series) Main Features and Specifications

GW Instek SFG-2107

  GW Instek SFG-2107 Specs (879.1 KB)
Frequency Range Min.  100.0 mHz 
Frequency Range Max.  7.0 MHz 
Freq. Resolution  100 mHz 
Waveform Outputs  Sine, Square, Triangle, TTL, CMOS, DC Offset  
Modulation  AM, FM, LIN/LOG Sweep  
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GW Instek

Based on the Direct Digital Synthesized (DDS) technology and unique FPGA design, the SFG-2000 and SFG-2100 Series Function Generators are built with exceptionally high performance far exceeding that of any conventional function generators at a very competitive price. Stable output frequency, low distortion, and fine frequency resolution are the most remarkable characteristics of this product series.

The SFG-2000 and SFG-2100 Series include four members in each family at 4MHz, 7MHz, 10MHz and 20MHz bandwidth. As a result of the 20ppm stability level and output waveform accuracy, the SFG-2000 and SFG-2100 Series fit into a wide variety of applications, such as signal generator for experiment labs, reference signal for PLL (Phase Locked Loop), and calibration and adjustment source for electronic devices.

The SFG-2000 and SFG-2100 Series provide Sine, Triangle and Square waveforms with DC offset and variable duty cycle at 20ppm frequency stability and accuracy. The low drift rate and -55dBc low sine wave distortion output significantly extend product application ranges in various market sectors.

The TTL/CMOS output is also available to fulfill various requirements. In addition to the basic functions, the SFG-2100 Series provides advanced functions such as AM/FM modulation, sweep mode, and a built-in frequency counter.

The SFG-2000 and SFG-2100 Series generate signals by continuously delivering a series of sampling values from a sine waveform table (stored in RAM) to a DAC (Digital to Analog Converter) for waveform construction. With a low pass filter circuit to filter out the harmonics of the DAC output and smooth the signal, the SFG-2000 and SFG-2100 Series are able to provide a stable output with very low waveform distortion.

  • DDS Technology and FPGA Chip
  • Design Frequency Range:0.1Hz 7 MHz
  • High Frequency Accuracy : ± 20ppm
  • High Frequency Stability : ± 20ppm
  • Frequency Resolution :100mHz
  • Low Distortion Sine Wave:-55dBc,0.1Hz~200kHz
  • Front Panel Setting Save/Recall with 10 Groups of Setting Memories
  • Build-in 6 Digits 150MHz/High Resolution Counter
  • INT/EXT AM/FM Modulation
  • LIN/LOG Sweep Mode

Specifications for the SFG-2107:

  • Frequency range for sine, square: 0.1 Hz - 7 MHz
  • Frequency range for triangle: 0.1 Hz - 1 MHz
  • Frequency resolution: 0.1 Hz
  • Output function: Sine, square, triangle
  • Amplitude range: 2 mV - 10 Vp-p into 50 Ω
  • Impedance: 50 Ω ±10%
  • Attenuator: -20 dB ±1 dBx2
  • DC offset: <-5 V - >+5 V into 50 Ω
  • Duty cycle (square wave): 20% to 80%, 2 Hz - 1 MHz
  • Range resolution: 1%
  • Display: 9 digits LED display
  • Sine wave harmonics distortion: -55 dBc at 0.1 Hz ~ 200 kHz, -40 dBc at 0.2 MHz ~ 4 MHz, -30 dBc at 4 MHz ~ 10 MHz
  • Triangle wave linearity: ≥98% at 0.1 Hz ~100 kHz, ≥95% at 100 kHz ~ 1 MHz
  • Square wave symmetry: ±1% of period + 4 ns, 0.1 Hz ~ 100 kHz
  • Square wave rise or fall time: ≤25 ns at maximum output into 50 Ω
  • CMOS output level: 4 Vp-p ±1 Vp-p ~ 15 Vp-p ±1 Vp-p adjustable
  • TTL output level: ≥3 Vp-p
  • TTL output rise and fall time: ≤25 ns
  • Sweep operation rate: 100:1 ratio maximum and adjustable
  • Sweep operation time: 1 s ~ 30 s adjustable
  • Amplitude modulation frequency: DC ~ 1 MHz (EXT)
  • Amplitude modulation carrier BW: 100 Hz ~ 5 MHz (-3dB)
  • Frequency modulation range: 400 Hz fixed (INT), 1 kHz fixed (EXT)
  • Frequency counter range: 5 Hz ~ 150 MHz