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Livestock guardrail disconnection alarm wireless FM receiver

2016-11-29 15:02  
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Livestock guardrail disconnection alarm wireless FM receiver circuit
This receiver can be used with the livestock guardrail disconnection alarm wireless transmitter circuit, you can install it in the duty room or carry by the monitor staff, if the guardrail is disconnected, it will receive the FM signal (88 ~ 108MHz), the receiver speaker will send out the sound of animals. The circuit is as shown in the figure. The FM receiver uses one piece of FM ASIC TDA7010T as the core. The receiving range is 88~108MHz, and the receiving range is corresponding with the transmitting frequency. The parallel resonant circuit is composed of the L1, C8 and C9, and it can be used to adjust or track the transmitting frequency.