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更新于2007-06-21 16:27:33

特点

• 宽频率范围：0.1mHz~5MHz
• 大屏幕显示及简单的菜单控制操作
• 7种波形选择
• 内部和外部调制模块
• 远控选择
• 快速、精确的频率设置
• 设置交流电压和直流偏移量

技术指标

• Frequency characteristics
• Nominal range
• 0.1 mHz to 5MHz
• Operational range
• Sine,pos/neg pulse:5 MHz
• Square wave:5MHz
• Triangle:500KHz
• Pos./neg.sawtooth:20MHz
• Resolution:4digits,max.0.1 mHz(10 Hz(f>200KHz))
• Setting error:±2x 10(±2 ppm)
• Residual FM deviation (measuring band-width 10Hz-20KHz)(f=5MHz)
• <100Hz,13Hz typical
• PHase noise at 1 KHz distance from carrier:
• <-80dBc/Hz
• Temperature coefficient:<±0.2ppm/K
• Aging:<±1ppm/year
• Drift:<±0.3ppm in 7 hours
• Synchronization by an external reference:
• =10MHz/N,N=1,2,3,to 10
• Via GPIB interface
• Output characteristice
• Main output
• Connector BNC socket:On front panel
• Impedance:50Ω
• Load capability:Short-circuit proof
• Max.external voltage:±15V<3 min
• AC voltage(independent of DC setting )
• Ranges
• Range I(resolution 1 mV):0-0.200Vpp,±10V window
• Range II(resolution 10mV):0.20to 2.00Vpp,±10V window
• Accuracy for ac voltages
• Basic setting error:±2.0%,1Hz10mVpp
• Amplitude flatness
• f:1Hz to 200KHz:±0.03dB
• f:200KHz to 5MHz:±0.07dB
• z=50Ω,R1=50Ω,modulation off
• DC voltage(independent of ac setting within±10V window)
• Range(open circuit):±10V with resolution of 100mV
• Error limits:±2.0%±50mV
• TTL Output 0/5V,Z=50Ω:BNC on rear panel
• Fan-out:>4 TTL inputs
• Waveforms
• Asymmetry
• f≤20KHz:1% to 99%,resolution1%sine,square,triangle,pos./neg.pulses
• f:20KHz,to 5MHz:20% to 80%,resolution 1% square,pos./neg.pulses