Function Generator   Features: • Multi waveforms:Sine,Triangle,Square,and etc • Built-in 5 digits counter(up to 15MHz equal accurate) • DC offset,symmetry continuously adjustable • VCF input • Economical type, low cost    Specifications:   Technical Data CI5081639B   Main output Output frequency 0.06Hz~6MHz   Output waveforms Sine wave,Square wave,Triangle wave and etc.   Output impedance 50Ω±10%   Output amplitude ≥20Vp-p(No Load)   Output attenuation 0dB/20dB/40dB/60dB   DC offset 0~±10V adjustable   Symmetry 10%～90% Sine wave Distortion factor 10Hz～100kHz<1%   Frequency response 0.2Hz~100kHz≤±0.5dB 100kHz~2MHz≤±1dB Square wave Rise or fall time <100ns TTL output Rise or fall time ≤1μs   Low level ≤0.4V   High level ≤3.5V   Impedance 600Ω VCF Input voltage -5V~0V   Input impedance 10KΩ±10% Counter Display 5 digits   Frequency range 1Hz~15MHz   Input impedance ≥1MΩ/20pF   Sensitivity 100mVrms   Accuracy 0.1Hz/1Hz/10Hz/100Hz   Error ≤0.003%±1 digit   Max.input voltage 150V(AC+DC)(with attenuator)   Input attenuation 0dB/20dB Power supply 110~127VAC±10%,220~240VAC±10%,50Hz±2Hz/60Hz±2Hz Dimension(W×H×D) 310×80×230mm Weight 1.75kg