I、Product Features : 
     (1)DDS Technology and FPGA Chip Design
     (2)Frequency Range : 0.1Hz~10MHz
     (3)High Frequency Accuracy : ± 20ppm
     (4)High Frequency Stability : ± 20ppm
     (5)Frequency Resolution : 100mHz
     (6)Low Distortion Sine Wave : -55dBc,0.1Hz~200kHz
     (7)Front Panel Setting Save/Recall with 10 Groups of Setting Memories
     (8)Built-In 9 Digits, 150MHz/High Resolution Counter  

     The SFG-2000/2100 Series include four members in each family at 4MHz, 7MHz, 10MHz and 20MHz bandwidth(perivd), The SFG-2100 Series have additional functions of Sweep, AM/FM modulation, and External Counter. As a result of the 20ppm stability level and output waveform accuracy, The SFG-2000/2100 Series well 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.

(1)Main

     1. Frequency Range(For Sine, Square)    0.1Hz~10MHz

     2. Frequency Range(For Triangle)       0.1Hz~1MHz

     3. Resolution                             0.1Hz

     4. Frequency Stability                 ± 20 ppm

     5. Frequency Accuracy               ± 20 ppm

     6. Time accuracy                       ± 5 ppm / year

     7. Waveform Type                    Sine, Square, Triangle

     8. Output Amplitude                  10Vpp(into 50Ω load)

     9. Amplitude flatness on frequency (Relative to the 1kHz sine wave) ＜± 0.3dB,0.1Hz～1MHz; ＜± 0.5dB,1MHz

         ～4MHz; ＜± 2dB, 4MHz～10MHz

     10. Impedance                          50Ω±10％

     11. Output Attenuator                -20dB±1dB×2

     12. DC offset range                   ＜-5V～＞+5V(50Ω Load)

     13. Cycle than the adjustment range      20% to 80% below 1MHz (Only

           Square)

     14. Cycle than the resolution       1%

     15. Frequency display                9-digit LED display

(2)Sine Wave

     1. Harmonics Distortion   -55dBc,0.1Hz～200kHz; -40dBc,0.2MHz～4MHz;

 -30dBc,4MHz～10MHz

(This is the Output Level to one-tenth of the maximum value of the

specification and TTL/CMOS OFF)

(3)Triangle Wave

     1. Linear                         ≧98％,0.1Hz～100kHz;≧95％,100kHz～1MHz

(4) Square Wave

     1. Symmetry                    ± 1% of period +4ns to 0.1Hz～100kHz

     2. Rise or Fall Time         ≦25ns at maximum output (into 50Ωload)

(5)CMOS Output

     1. Output Level     4Vpp±1Vpp～14.5Vpp±0.5Vpp adjustable ; Rise and fall

                                 time:≦120ns

(6)TTL Output    

     1. Output Level     ≧3Vpp ; Output thrust : 20 TTL load ; Rise and fall

                                 time:≦25ns

(7) Memory storage

     1. Storage and memory settings 10 groups calling features

(8) Input Power            AC115V, 230V±15%, 50/60Hz

(9) Appearance Dimensions  107(W)×266(H)×293(D) m/m

                                            Approx. 3.1kg