SFG-2110数字合成信号源的特点：
l 直接数位合成技术及FPGA晶片设计
l 频率范围:0.1Hz~10MHz
l 频率解析度:100mHz
l 频率准确度及飘移度:+/-20ppm
l 低失真正弦波:-55dBc,0.1Hz~200kHz
l 输出波形:正弦波、方波、三角波
l 具TTL及CMOS OUT
l 前面板可设定十组储存及呼叫操作记忆
l 内附六位数150MHz高解析度频率计
l 具AM/FM调变及 LIN/LOG 扫描功能
SFG-2110数字合成信号源的技术参数：
| 0.1Hz~10MHz |
| 0.1Hz~1MHz |
Frequency Resolution | 0.1Hz |
Frequency Stability | ∮ 20 ppm |
Frequency Accuracy | ∮ 20 ppm |
Frequency Aging | ∮ 5 ppm / year |
Output Function | Sine, Square, Triangle |
10Vpp（into 50load） | |
Flatness（Sinewave relative to 1kHz） | ≌∮ 0.3dB,0.1Hz°1MHz; ≌∮ 0.5dB,1MHz°4MHz; ≌∮ 2dB, 4MHz°10MHz |
Impedance | 50∮10 |
Attenuator | -20dB∮1dB⊙2 |
DC Offset | ≌-5V°≈+5V（into 50load） |
20% to 80% below 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 |
TRIANGLE WAVE | |
Linear | ≠98,0.1Hz°100kHz;≠95,100kHz°1MHz |
SQUARE WAVE | |
Symmetry | ∮ 1% of period +4ns to 0.1Hz°100kHz ;Rise or Fall Time; ∝25ns at maximum output.（into 50load） |
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 | 0.5Sec°30Sec adjustable |
Sweep/Mode | Lin. / Log. switch selector |
AMPLITUDE MODULATION | |
Depth & MOD. Frequency | 0°100 ; 400Hz（INT）,DC°1MHz（EXT） |
Carrier BW | 100Hz°5MHz（-3dB） |
EXT Sensitivity | ∝10Vpp for 100modulation |
FREQUENCY MODULATION | |
Deviation & MOD. Frequency | 0°∮5 ; 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 | The maximum resolution is 100nHz for 1Hz and 0.1Hz for 100MHz |
Input Impedance | |
Sensitivity | ∝35mVrms（5Hz~100MHz） |
STORE/RECALL FUNCTION | |
| 10 groups of Setting memories |
POWER SOURCE | AC115V, 230V∮15%, 50/60Hz |
ACCESSORIES | |
| Instruction manual x 1 |
DIMENSION & WEIGHT | 107（W）⊙266（H）⊙293（D） m/m |
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