Audio remote for TV
This one is a circuit of a transmitter FM of short-range, that when connecting it when coming out for headset of the television it will transmit to us and then we will be able to hear the television in any receiver of FM (for example they walkman). If the television does not have exit of headset we will when coming out connect it of the loudspeaker with the adaptation of plug.
| List of components |
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Resistance |
Capacitores |
Semiconductors |
Several |
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- R1 - 100 K ohms - R2 - 33 K ohms - R3 - 22 K ohms - R4 - 47 ohms - P1 - Potentiometer 100 ohms. |
- C1 - 4.7 nF - C2 - Variable Capacitor - C3 - 47 pF - C4 - 100 nF - C5 - 47 uF |
- Q1 - Transistor BF494 |
- Battery 3 V - S1 - common Key - J1 - Jumper |
Note: The antenna can be constructed at the most using a steel baryta or a rigid wire of approximately 15 cm. in length.
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