The FM stations in my locality is very far and hardly i am getting any signal. There are some antennas available in market but i am not sure if only using the antenna will resolve the issue. Can you please suggest signal booster and any circuit to increase my reception of FM signals?
无需烦琐公式计算,只需一把尺子和两根细线,就可绘出精准的抛物线!下面详细介绍画制过程。 一、认识抛物线和抛物线的准线 抛物线是指平面内到一个定点F和一条定直线L距离相等的点的轨迹。如图1所示,平面内到一个定点F和不过F的一条定直线L距离相等的点的轨迹(或集合)即称之为抛物线。这个定点叫抛物线的焦点,这...
The transmitting range of the circuit is over 100 feet. However, it is easily possible to extend this range significantly by soldering a flexible wire antenna (approximately 150 cm in length) to the collector of Q2. How to Tune and Set up the Transmitter Connect the Transmitter inputs in se...