Abstract: In order to improve students ability of innovation and practice,the school will be a typical electronic competition topics applied to undergraduate daily teaching.In this paper,took the gain programmable radio frequency amplifier as an example,described the problem design and program implementation.The devices used by the gain programmable radio frequency amplifiers not only can consolidate the basic knowledge of the students,but also can improve the students ‘ability to think and solve problems independently.Students’ practical ability has also reached a good exercise.