Medium wave transmitter using PIC Microcontroller

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Benjamin Green commented on this video
Nice. Note that while you have a feeble antenna, powering off the icsp is likely to give you a decent earth. It'd be interesting to compare the result when, say, battery powered.
Aug
18
Medium wave transmitter usi...
Medium wave transmitter using PIC Microcontroller signal is rich in harmonics up to 1Ghz. In this video you can see the 145MHz harmonic being received using a Yaesu VX-2 handheld amateur radio. It's so strong that you can hear the signal 20m away! Take in account that no impedance matching or serious antenna has been used for the demo. It's just a piece of wire to microcontroler's pin, so radiation is very poor, specially at low frequency. After this proof of concept, i'm thinking on an application as simple and cheap LF RFID ...From:eb4fbzViews:0 0ratingsTime:00:59More inScience & Technology
Aug
8

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Medium wave transmitter using PIC Microcontroller signal is rich in harmonics up to 1Ghz. In this video you can see the 145MHz harmonic being received using a Yaesu VX-2 handheld amateur radio. It's so strong that you can hear the signal 20m away! Take in account that no impedance matching or serious antenna has been used for the demo. It's just a piece of wire to microcontroler's pin, so radiation is very poor, specially at low frequency. After this proof of concept, i'm thinking on an application as simple and cheap LF RFID ... From: eb4fbz Views: 0 0 ratings Time: 00:59 More in Science & Technology
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