SFG-2120, 20MHz DDS Function Generator with Counter, Sweep and Modulation
FEATURES 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 Built-In 6 Digits, 150MHz/High Resolution Counter INT/EXT AM/FM Modulation LIN/LOG Sweep Mode
SFG-2120 , 20MHz DDS Function Generator
SPECIFICATIONS
MAIN
Frequency Range
(For Sine, Square) 1Hz~20MHz
Frequency Range
(For Triangle) 1Hz~1MHz
Frequency Resolution 1Hz
Frequency Stability ± 20 ppm
Frequency Accuracy ± 20 ppm
Frequency Aging ± 5 ppm / year
Output Function Sine, Square, Triangle
Amplitude Range 2mV～10Vpp(into 50Ωload)
Impedance 50Ω±10％
Attenuator -20dB±1dB×2
DC Offset ＜-5V～＞+5V(into 50Ωload)
Duty Control Range 20% to 80%, 2Hz~1MHz (Square wave only)
Duty Control 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)
Flatness(relative to 1kHz) ＜± 0.3dB, 0.1Hz～1MHz
＜± 0.5dB, 1MHz～4MHz
＜± 2dB, 4MHz～10MHz
TRIANGLE WAVE
Linearity ≧98％, 0.1Hz～100kHz
≧95％, 100kHz～1MHz
SQUARE WAVE
Symmetry ± 1% of period +4ns, 0.1Hz～100kHz
Rise or Fall Time ≦25ns at maximum output(into 50Ωload)
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 OPERATION
Sweep/Rate 100:1 ratio max. and adjustable
Sweep Time 1Sec～30Sec adjustable
Sweep Mode Lin. / Log. switch selector
AMPLITUDE MODULATION
Depth 0～100％
Modulation Frequency 400Hz(INT),DC～1MHz(EXT)
Carrier BW 100Hz～5MHz(-3dB)
EXT Sensitivity ≦10Vpp for 100％ modulation
FREQUENCY MODULATION
Deviation 0～±5％
Modulation Frequency 400Hz(INT),1kHz(EXT)
EXT Sensitivity
≦10Vpp for 10％ modulation
FREQUENCY COUNTER
Range 5Hz～150MHz
Accuracy Time base accuracy ± 1count
Time base ±20ppm(23℃±5℃) after 30 minutes warm up
Resolution 100nHz for 1Hz, 0.1Hz for 100MHz
Input Impedance 1MΩ/150pf
Sensitivity ≦35mVrms (5Hz~100MHz)
≦45mVrms (100MHz~150MHz)
STORE/RECALL FUNCTION
10 groups of panel settings
POWER SOURCE
AC115V±10%, 230V+10%/-15%, 50/60Hz
ACCESSORIES
User manual x 1
Power cord x 1
Test lead GTL-101 x 2
DIMENSION & WEIGHT
266(W)×107(H)×293(D) mm
Approx. 3.2kg
OPTION
Inquiry Model Name Descripation
GTL-101 BNC-Alligator Test Lead For GFC-8010H/8131H/8270H, GFG Series, GOS-310/620FG, GVT-427B/417B, SFG-1003/1013, SFG-2000 Series, SFG-2100 Series
