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Small Broadcast-Band AM Transmitter (DS9637ACM)

2016-04-02 05:03  
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This article describes the Small Broadcast-Band AM Transmitter (DS9637ACM). The content is very simple, very helpful. Components in this article can help you understand better understanding of this article. For example, in this article, you can go to find and buy these components:DS9637ACM.

This AM radio circuit is a low power transmitter working on broadcast band. The simplicity is implemented using a single-transistor amplifier stage, and for the stability a crystal is used to excite the 670Hz oscillation. The output power of this AM transmitter circuit is 400 micro watts for antenna. L1 and L3 is 40-300 uH ferrite core antenna. Here is the schematic diagram of the circuit:

Low Power Broadcast Band Transmitter circuit schematic diagram


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