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STD LM13700 Dual VCA
License: MIT
Mode: Editors' pick
- 1
Update time：
2021-12-28 16:46:22
Creation time：
2021-05-31 17:25:20
Description
The project includes an implementation of a schematic for the LM13700 OTA in a Voltage Controlled Amplified configuration. Based on the article "Understanding and Using 'OTA' Op-Amp ICs : Part 2 by Ray Marston - 11th of May 2003" from the Nuts & Volts magazine. Full details in the article nutsvolts.com/uploads/magazine_downloads/11/May%202003%20Ray%20Marston%20-%20Understanding%20And%20Using%20OTA%20OP-Amps.pdf
A compact LM13700 PCB with a Eurorack-style connector as well as a Frontpanel PCB are also part of this project.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | R_3386P_EU | ADJ_A,ADJ_B | RES-ADJ-TH_3362P | 2 |
| 2 | 0.1u | C1,C2 | 2.5MM CERAMIC CAP | 2 |
| 3 | CV-B | J1 | HDR-M-2.54_1X1 | 1 |
| 4 | CV-A | J2 | HDR-M-2.54_1X1 | 1 |
| 5 | IN-A | J3 | HDR-M-2.54_1X1 | 1 |
| 6 | IN-B | J4 | HDR-M-2.54_1X1 | 1 |
| 7 | GND | J5,J6 | HDR-M-2.54_1X1 | 2 |
| 8 | OUT-A | J7 | HDR-M-2.54_1X1 | 1 |
| 9 | OUT-B | J8 | HDR-M-2.54_1X1 | 1 |
| 10 | HDR-IDC-2.54-2X5P | P1 | IDC-TH_10P-P2.54_C5665 | 1 |
| 11 | 10k | R1,R2,R3,R4 | R_AXIAL-0.4 | 4 |
| 12 | 0 | R5,R6,R7,R8 | R_AXIAL-0.4 | 4 |
| 13 | 22k | R9,R10 | R_AXIAL-0.4 | 2 |
| 14 | LM13700 | U1 | DIL-16 | 1 |
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