| 摘要 |
PURPOSE:To measure various electric characteristics accurately and automatically at a high speed by performing output and input control over plural measuring circuits provided in one body and a computer through a control circuit. CONSTITUTION:When set voltage information is applied from the computer 22 through a microprocessor 21 forming the control circuit, a programmable power source current measuring circuit 12 converts the set voltage information from digital to analog to measure current consumption. This measured value is inputted to the computer 22 through a switch SW6 selected through the switching by the microprocessor 21, D/A converter 20, and processor 21 to perform necessary processing such as comparison and recording. Similarly, various measuring circuits installed in one body measure the video and sound center frequency level, video modulation degree, etc., of the RF converter 2 of a tuner, etc. By this constitution, various electric characteristics of the RF converter are measured automatically and accurately at a high speed. |
