Industrial Grade Voltage Controlled Oscillator is capable of providing efficient performance. The Oscillator has good accuracy. The Oscillator has frequency range from 1hz to 1 mhz in 6 decade range, dial accuracy of 3% of range and has sine and square wave. The Industrial Grade Voltage Controlled Oscillator has square wave rise time of less than 100 nano seconds at maximum output and has square wave symmetry of duty factor variable from 0% to 80%.