This audio frequency  function generator has many versatile functions, with three basic wave forms sine, square and  triangular. This is completely I.C. based with output frequency range from 1 Hz to 100 KHz in five decade ranges. It has linear frequency scale, coarse & Fine Amplitude control settings are provided at the front panel. Input Voltage 230V, 50Hz Instrument housed in sturdy metal cabinet. Output Impedance 50 ohms & Output is variable from 0 to 10 Volts peak to peak voltage.