The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched 28MHZ are continuous carrier amplitude.
该遥控装置采用晶体稳频脉冲调幅发射机，电路较简单，频率稳定度高，发射的是间断的28MHZ等幅载波。
2
Stabilization is achieved by adopting an amplitude stabilizer. The root mean square (RMS) of energy output is lowered from about 4% to below 1%.
采用稳幅器件有效地提高了输出能量的稳定性，放大前级的输出能量波动的均方根值从4%左右降到1%以下。
3
The invention can implement amplitude-limiting function without affecting the posterior demodulation, voltage stabilization, and normal operation of the clock and the reset circuit.