技術(shù)參數(shù)：
Ø 寬頻帶：0.5Hz~5MHz
Ø 多種輸出波形：正弦波、三角形波、方波、TTL電平方波和CMOS電平方波
Ø 對數(shù)/線形掃描功能，可同時或獨立設(shè)定起始頻率和中斷頻率
Ø 頻率計數(shù)器功能，可獨立設(shè)置頻率范圍和門時間
Ø VCG（外部頻率控制終端），可通過外接電壓（0~10V）控制輸出頻率
技術(shù)參數(shù)：
| Item | FG-275 |
| Output frequency | Sinewave,squarewave,********wave,TTL-level/CMOS-levelsquarewave,pulse waveform and sawtooth wavefom |
| Frequency range | 0.5Hz-5MHz |
| Frequency accuracy | 5*10^-5±1 digit |
| Sinewave | |
| Distortion | 1% or less(10Hz to 100kHz) |
| Frequency characteristics | ±1.0dB(50Ω load) |
| Squarewave characteristics | |
| Symmetry | ±3%max.(at 100Hz) |
| Rise and fall time | 10nsmax.(maximum output) |
| Trianglewave characteristics | |
| Rise and fall time/output | 60nsec or less/5Vto 15V continuously variable |
| Sweep characteristics | |
| Internal sweep | Linear or logarithm sweep |
| Sweep speed | 1:1 to 500:1/continously variable |
| Sweep output | 0 to 10V/frequency increase at right direction |
| IExternal sweep | |
| Input voltage | 0to 10V frequency increase at right direction |
| Frequency variablerange | 500:1 max. |
| Maximum input | ±20V(DC/AC peak) |
| Input impedance | 13kΩ |
| Frequency counter characteristics | |
| Display | 5digit display(LED) |
| Frequency range | 5Hzto 10Mhz(0.01sec,1sec,10sec) |
| Accuracy | ±5*10^-5±1 count |
| Input sensitivity | 30mVrms |
| Maximuminput voltage | 42Vp-p |
| Input impedance | 50Ω10% |
| Logarithmic variable range | 1:1 to 40:1 min. |
| DC offset | ±10V(open circuit)/±5V(50kΩ load) |
| Attenuator | -10dB/-20dB/-40dBsteps with continuously variable |
| Output impedance | 50Ω±10% |
| Logarithmic variable range | 1:1 to 40:1 min. |
| DC offset | ±10V(open circuit)/5V(50kΩ load)/continuously variable± |
| Environmental condition | |
| Temperature/humidityfor operation | |
| Temperature/humidityfor spec | |
| Others | |
| Power source | AC100/120/220/230V±10%,50/60Hz,Approx.20W |
| Dimensions/weight | 240(W)*64(H)*190(D)mm/ |
| Accessories | Instruction manual(1),power code(1) |
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