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STD OPA2134 + TDA2030 Amplifier
License: CC-BY 3.0
Mode: Editors' pick
- 0
Update time：
2021-02-11 05:49:31
Creation time：
2021-01-08 19:26:33
Description
Uses OPA2134 as an voltage amplifier with TDA2030A repiters. Circuit needs modifications for individual attachments. Needs output precision ballast resistors.
R3, R4, R9, R10 nominals are individual for each PCBs.
Better solution is separate PCBs for each channel and a power supply.
OPA2134 uses non-inverted conntection.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | PINHD-1X1 | JP1,JP2 | 1X01 | 2 |
| 2 | TDA2030AL-TB51-T | U3 | TO-220-5_L10.5-W15.5-P1.70-TL | 1 |
| 3 | 1 | R1,R2 | R_AXIAL-0.3 | 2 |
| 4 | 15 | R4,R3 | R_AXIAL-0.3 | 2 |
| 5 | 10k | R6,R7,R5,R8 | R_AXIAL-0.3 | 4 |
| 6 | 165 | R9,R10 | R_AXIAL-0.3 | 2 |
| 7 | 1k | R16,R17 | R_AXIAL-0.3 | 2 |
| 8 | 100k | R13,R14 | R_AXIAL-0.3 | 2 |
| 9 | 220u | C1,C2 | CAP-D6.3×F2.5 | 2 |
| 10 | OPA2134 | IC1 | PDIP-8 Texas Instruments | 1 |
| 11 | 10u | C5,C6 | RAD-0.1 | 2 |
| 12 | 470p | C7 | RAD-0.1 | 1 |
| 13 | 0.1u | 470P | RAD-0.1 | 1 |
| 14 | 22u | C3,C4 | RAD-0.2 | 2 |
| 15 | TDA2030 | U1,U2 | TO-220-5_PENTAWATT_MULTIWATT-5_VERTICAL_STAGGEREDTYPE1 | 2 |
| 16 | CONNECT_6.35 | U4,U5 | CONNECT_6.35 | 2 |
| 17 | R_3386P_EU | RP1 | RES-ADJ-TH_3386P | 1 |
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