Instek GFG-8215A Function Generator   FEATURES:   Frequency Range: 0.3Hz ~ 3MHz Waveforms：Sine, Triangle, Square, Ramp, TTL and  CMOS Output External Voltage Controlled Frequency (VCF)  Function Duty Cycle Controlled with Signal Inversion Capability Variable DC Offset Control Two-Step (-20dB x 2) and Variable Attenuator    Data Sheet    User Manual       SPECIFICATIONS       Main         Frequency Range 0.3Hz to 3 MHz (7 ranges)       Amplitude >10Vp-p (into 50Ω load)       Impedance 50Ω+10%       Attenuator -20dB+1dB x 2       DC Offset <-5V ~ >5V( into 50Ω load)       Duty Control 80% : 20% : 80% to  1MHz Continue variable       Range Accuracy +5% + 1Hz ( at 3 position )       Sine Wave         Distortion <1%, 0.3Hz ~ 200kHz       Flatness <0.3dB, 0.3Hz ~ 300kHz； <0.5dB, 300kHz ~ 3MHz       Triangle Wave         Linear >98%, 0.3Hz ~ 100kHz； >95%, 100kHz ~ 3MHz       Square Wave         Symmetry +2%, 0.3Hz ~ 100kHz       Rise or Fall Time < 100nS at maximum output (into 50Ω load)       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       VCF         Input Voltage 0V~10V ± 1V(100 : 1)       Input Impedance 10kΩ±10%       Power Source AC 115V/230V±15%, 50/60Hz       Accessories Power cord × 1, Instruction manual × 1, GTL-101 × 1,       Dimensions & Weight 251(W) × 91(H) × 291(D) mm, Approx. 2.1kg