Adjustable volume complementary type transmitter

Adjustable volume complementary type transmitter belongs to electron technical field. By power supply circuit, twice converting circuit of complementary type, become code spraying control, the second shifts and holds control circuit, code integrated circuit, the radio frequency circuit is constituteed jointly, it the form that the ordinary code that will have three kinds of states upgrades to a high code, do the basis with twice converting circuit of complementary type, with change code spraying control, two shift end control circuit controls code integrated circuit's shift end and change sign indicating number together, fire switch switch -on battery in power supply circuit, the complementary type twice converting circuit start, make change code spraying control and second shift holds control circuit all to form twice transform thereupon, control code integrated circuit's the change sign indicating number and the end that shifts also form twice transform, two kinds of outputs of two sign indicating number have been become by a single code transmission. Through the excitation to launching tube in the radio frequency circuit, when reaching two sign indicating number modulation transmission purposes, form the uniqueness of receiving output, further promote the level of confidentiality of remote control.