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STD HF65 ( Josty Kit )
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2020-09-26 08:19:55
Creation time：
2019-09-23 18:50:06
Description
FM transmitter HF65 ( JostyKit )
this is a small FM radio station
can broadcast on the FM radio 88 to 108
cons:
1: can interfere with all kinds of radio bands / frequencies
2: is not very stable
3: modulation is not 100% FM
Benefits:
1: Also often works with different parts
2: it is a simple to build schematic
3: cheap
Realistic: The truth is this is not a very good schematic!
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1u | C5,C6 | CAP-D3.0XF1.5 | 2 |
| 2 | 10uF | C9 | CAP-D3.0XF1.5 | 1 |
| 3 | TX | SW1 | KEY-6.0*6.0-4 | 1 |
| 4 | 1m | L1,L2 | AXIAL-0.4 | 2 |
| 5 | 1u | C1,C2 | RAD-0.1 | 2 |
| 6 | 5pF | C3 | RAD-0.1 | 1 |
| 7 | 15pF | C4 | RAD-0.1 | 1 |
| 8 | 10pF | C7 | RAD-0.1 | 1 |
| 9 | 10nF | C8 | RAD-0.1 | 1 |
| 10 | 2N2219 | Q1 | TO-92(TO-92-3) | 1 |
| 11 | 22K | R4 | RES-ADJ_3386P | 1 |
| 12 | 10k | R1,R2 | AXIAL-0.3 | 2 |
| 13 | 100R | R3 | AXIAL-0.3 | 1 |
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