SFG-2120 20MHz DDS Function Generator
 

   


              
 

 

                


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  • DDS Technology and FPGA Chip Design
  • Frequency Range:0.1Hz~20MHz
  • 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
                               MSRP $570

                     

 

           Datasheet    User Manual     

 

Specifications

           
           
   MAIN Frequency  Range (For Sine, Square) 0.1Hz ~ 20MHz    
  Frequency  Range (For Triangle) 0.1Hz ~ 1MHz    
                        Resolution 0.1Hz  
                           Stability   ± 20ppm    
                        Accuracy      ± 20ppm    
                        Aging   ± 5ppm / year    
  Output Function   Sine, Square, Triangle    
  Amplitude Range   10Vpp (into 50Ω load)     
  Flatness (Sine wave relative to 1kHz) <±0.3dB, 0.1Hz~1MHz; <±0.5dB, 1MHz~4 MHz; <± 2dB, 4MHz~10MHz   
  Impedance   50Ω ± 10%    
  Attenuator   -20dB ± 1dB x 2    
  DC Offset   < -5V ~ > +5V (into 50Ω load)    
  Duty Control  Range 20% to 80% below 1MHz (Square wave only)    
                           Resolution 1%      
  Display 9 digits LED display  
   SINE WAVE Harmonics Distortion   -55dBc, 0.1Hz~200kHz; -40dBc, 0.2MHz~4MHz; -30dBc, 4MHz~10MHz
(Specification applied from MAX. to 1/10 level)
   TRIANGLE WAVE    Linear         ≥98%, 0.1Hz~100kHz; ≥95%, 0.1Hz~1MHz
   SQUARE  WAVE      Symmetry ±1% period   +4ns to 0.1Hz~100Hz; Rise or Fall Time
≤25ns at maximum output. (into 50Ω load)
   CMOS OUTPUT  Level   4Vpp±1Vpp~ 14.5Vpp±0.5Vpp adjustable; Rise or Fall Time; ≤120ns  
   TTL OUTPUT     Level ≥3Vpp; Fan Out; 20 TTL load; Rise or Fall Time; ≤25ns  
   SWEEP                     Rate   100:1 ratio max. and adjustable  
                                     Time                                                                           0.5 sec ~ 30 sec adjustable
                                      Mode   Lin./Log switch selector
   AMPLITUDE
   MODULATION
 		  Depth & MOD. Frequency
 Carrier BW
 EXT Sensitivity		   0~100%; 400Hz (INT), DC~1MHz (EXT)
100Hz ~ 5MHz (-3dB)
≤ 10Vpp for 100% modulation
   FREQUENCY             Deviation & MOD. Frequency
   MODULATION          EXT Sensitivity		 0~±5%; 400Hz (INT), 1kHz (EXT)
≤ 10Vpp for 10% modulation
   FREQUENCY             Range                                                                5Hz~150MHz   
    COUNTER                 Accuracy                                                          Time base accuracy ¡À1 count
                                       Time Base                                                        ±20ppm (23°C ± 5°C) After; 30 minutes warm up  
                                       Resolution                                                        The maximum resolution is 10nHz for 1Hz and 0.1Hz for 100MHz
                                       Input Impedance                                             1MΩ/150pf
                                       Sensitivity                                                         ≤ 35m Vrms (5Hz~100MHz);   ≤ 45m Vrms (100MHz~150MHz)
   STORE/RECALL      Size
   FUNCTION     		  10 groups of Setting memories 
   POWER SOURCE         AC 115V, 230V±15%, 50/60Hz
 
   ACCESSORIES     Instruction Manual x 1, Power cord x 1, GTL-101 x 1
   DIMENSION & WEIGHT 107(W)x266(H)x293(D) m/m; Approx. 3.2kg