Function Generator: Main Outputs: 1. Frequency Range: 0.03 Hz to 3 Mhz in 7 steps: 1 Hz,10Hz,100Hz,1Hz, 10Khz,100KHz,1Mhz 2. Wave forms: Sine wave, Triangle wave, Square wave, positive-going sawtooth wave, negative-going saw-tooth wave, positive-going pulse wave, negative-going pulse wave, TTL pulse wave. 3.Output amplitude: >> 20V pp ( no load) 4.Output attenuator: 0dB, 20dB,40dB and 60dB 5. DC offset: 0- ±10V, adjustable 6.Output impedance: 50 O ±10% 7.Symmetry: 10% - 90% Signal Waves: Sine wave: Distortion:>3.5V Impedance: 600 Ohm VCF Input Voltage: -5V - 0V Input impedance: 10KO ± 10% Frequency Counter: Measurement range: 1Hz - 20 MHz, 5 digits Input impedance:>>1 MO/20pF Sensitivity: 100mV rms Accuracy: 0.1Hz/1Hz/100Hz Measurement error: <0.003% ± 1 digit Max. input voltage: 150V (AC +DC) (with attenuator) Input attenuator: 0dB/20dB Working environment: Power Source: 110V Temperature: 0- 40 ºC Humidity: RH<=90% Dimension: (WXHXD) : 310 X 80X 230 mm Weight: 1.75 Kgs (4 LBS