The Study of VCO Automatic Test System Base on GPIB Bus

With the rapid development of 3G communications, RF circuits are becoming more widespread, so the electronic components VCO´s applications grows ever wider, because it is the core module in the oscillator circuit. A voltage-controlled oscillator automatic test system based on GPIB bus is introduced. This system and computer combination has changed the traditional manual operation, VCO production efficiency has been greatly improved; many parameters can be measured easily, the testing accuracy and reliability are all high, the investment is lower and intelligent function is stronger.