FM Stereo Transmitter 0.3 Watts with Multiplexer Circuit Schematic

Eltronicschool. - In this time we will continue to post the transmitter edition with the tittle FM Stereo Transmitter 0.3 Watts with Multiplexer circuit schematic. Here we will show you two parts of FM Stereo transmitter these are FM transmitter 0.3 Watts circuit schematic like in figure 1 below and Multiplexer or stereo MPX circuit schematic like in figure 2 below. With combine these circuit schematic we will get the FM Stereo Transmitter 0.3 Watts.

Circuit Schematic

Figure 1. FM Transmitter 0.3 Watts Circuit (Karya Solderanku)

Figure 2. Multiplexer Stereo (Karya Solderanku)

Component List of FM Transmitter 0.3 Watt

1. R1 = 100K
2. R2, R3, R6 = 22K
3. R4, R5 = 150
4. R7, R9 = 12K
5. R8 = 47
6. R10, R12 = 6K8
7. R11 = 22
8. R13 = 4K7
9. R14 = 10
10. RFC = R 100K 1 / 2W email wrapped around the bodynya
11. D = varactor diode *
12. T1 = Transformer Oscillator, containers legged 5mm wide, the number of windings 3 convolution
13. C1, C4, C14 = 100n
14. C2, C3, C13 = 33p
15. C5, C6, C7 = 20p
16. C8, C10, C12 = 1n
17. C9 = 25p
18. C15 = 10uF
19. C5pF *
20. Q1, Q2, Q3 = FCS9018, 2SC9018
21. Q4 = 2SC2053, 2SC2538

 * D varactor if not available in stores can be found in the former old tv tuner

             C5pF terpararel dg T1 osc can be removed

Component List of Stereo Multiplexer

1. See all component in figure 2 above

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