© 2024 EasyEDA Some rights reserved ISO/IEC
Editor Version
×
Standard
1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
4.For enterprises, more professional users
Ongoing
STD Transistor Radio
License: Public Domain
Mode: Editors' pick
- 1
Update time：
2023-12-24 18:39:33
Creation time：
2022-03-18 02:41:34
Description
This is a superheterodyne AM radio based on a design from Ronald Quan's "Build Your Own Transistor Radios." If you are looking to learn more about AM radios and transistor circuit design this is an excellent resource and I highly recommend it!
There are two versions: the first one uses transformers for the audio output stage and the second one uses only transistors. I recommend the transistor only version as it is much easier to find the components for. The transistor only audio amplifier is custom designed by myself, much of the theory is covered in "Audio Power Amplifier Design" by Douglas Self. I am sure you will be impressed by the performance of this radio! A 3D printed case exists and is forthcoming. Enjoy and happy soldering!
Design Drawing
schematic diagram
（
1
/
）
PCB
（
1
/
）
The preview image was not generated, please save it again in the
editor.
| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Supplier Part |
|---|---|---|---|---|---|---|
| 1 | 10nF | C1,C2,C3,C5,C8,C14 | C0805 | 6 | LCSC | C1710 |
| 2 | 1uF | C4,C7,C12 | C0805 | 3 | LCSC | C28323 |
| 3 | 150nF | C6,C9,C10 | C0805 | 3 | LCSC | C307539 |
| 4 | 33uF | C11,C13 | CAP-SMD_L3.5-W2.8 | 2 | LCSC | C723311 |
| 5 | 1N914BWS | D1,D2,D3,D4 | SOD-323_L1.8-W1.3-LS2.5-RD | 4 | LCSC | C258181 |
| 6 | B2B-XH-A (LF)(SN) | J1,J3 | CONN-TH_B2B-XH-A-LF-SN | 2 | LCSC | C158012 |
| 7 | 0603White light_C2290 | LED1 | LED0603-R-RD_WHITE | 1 | LCSC | C2290 |
| 8 | MMBT3904-C20526 | Q1,Q2,Q3,Q4 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 4 | LCSC | C20526 |
| 9 | 20kΩ | R1,R25,R26 | R0805 | 3 | LCSC | C4328 |
| 10 | 4.7kΩ | R2 | R0805 | 1 | LCSC | C17673 |
| 11 | 1kΩ | R3,R4,R7,R8,R23 | R0805 | 5 | LCSC | C17513 |
| 12 | 10kΩ | R5 | R0805 | 1 | LCSC | C17414 |
| 13 | 2.2kΩ | R6,R18 | R0805 | 2 | LCSC | C17520 |
| 14 | LF1050 White IFT | T1,T2 | LF1050 WHITE IFT | 2 | Jaycar | LF1050 |
| 15 | LF1050 Black IFT Detector | T3 | LF1050 BLACK IFT DET | 1 | Jaycar | LF1050 |
| 16 | LF1050 Oscillator Coil | T4 | LF1050 OSCILLATOR CAN | 1 | Jaycar | LF1050 |
| 17 | RV5728 | VC1 | RV5728 | 1 | Jaycar | RV5728 |
| 18 | 4.7uF | C15 | C0805 | 1 | LCSC | C1779 |
| 19 | 220uF | C16 | CAP-SMD_BD6.3-L6.6-W6.6-LS7.2-FD | 1 | LCSC | C2827940 |
| 20 | 100pF | C17 | C0805 | 1 | LCSC | C1790 |
| 21 | 10uF | C18 | C0805 | 1 | LCSC | C440198 |
| 22 | 1N4148WS T4 | D5,D6 | SOD-323_L1.8-W1.3-LS2.5-RD | 2 | LCSC | C2128 |
| 23 | B3B-XH-A(LF)(SN) | J2 | CONN-TH_3P-P2.50_B3B-XH-A-LF-SN | 1 | LCSC | C144394 |
| 24 | BCP56T1G | Q7 | SOT-223_L6.5-W3.5-P2.30-LS7.0-BR | 1 | LCSC | C46807 |
| 25 | BCP53T1G | Q10 | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | 1 | LCSC | C134063 |
| 26 | 10Ω | R9,R10,R11,R12,R21,R22 | R0805_NEW | 6 | LCSC | C17415 |
| 27 | 1.2kΩ | R13,R14 | R0805 | 2 | LCSC | C17379 |
| 28 | 100Ω | R15,R16,R19 | R0805 | 3 | LCSC | C17408 |
| 29 | 0.1Ω | R17,R20 | R0805 | 2 | LCSC | C127687 |
| 30 | 15Ω | R24 | R0805 | 1 | LCSC | C17480 |
| 31 | 5002 | TP1 | TEST-TH_BD2.54-P1.39 | 1 | LCSC | C238123 |
| 32 | DMMT3906W-7-F | Q5,Q6,Q8 | SOT-363_L2.0-W1.3-P0.65-LS2.1-BL | 3 | Digi-Key | DMMT3906W-FDICT-ND |
| 33 | DMMT3904W_R1_00001 | Q9,Q11 | SOT-363_L2.0-W1.3-P0.65-LS2.1-BL | 2 | Digi-Key | 3757-DMMT3904W_R1_00001CT-ND |
Unfold
Project Members
0
1
Collect to album
Target complaint
Related Projects
Change a batch
Loading...
Add to album
×
Loading...
reminder
×
Do you need to add this project to the album?