# Audio Electronics | Copilot Preset
## Description
Use this Copilot's template to design audio applications like amplifiers, mixers, processors, etc. Modify project requirement properties to adapt to specific needs.
#template #project-template
## Project Details
- **Owner:** mensgd
- **Created:** 9/8/2024
- **Last Updated:** 9/8/2024
- **Visibility:** Public
- **Domain Application:** Audio
- **Human Interface:** LED, Potentiometer
- **Compliance:** RoHS, FCC, CE
- **Amplifier Type:** Class D
- **Frequency Response:** 20Hz to 20kHz
- **Distortion:** THD of less than 0.1% at full power
- **Operating Temperature:** -40 ºC to 85ºC
- **Input Source:** Line-level from standard audio source
- **Connectivity:** Bluetooth 5.0, 3.5mm Jack, Screw Terminals
- **Number of Channels:** 2 (stereo)
- **Operating Voltage:** 12V
- **Copies:** 1
## Key Components
### IC1 — [SN74LS90N](https://www.flux.ai/jecstronic/sn74ls90n~ilb.md)
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments Inc.
- Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74ls93.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: SN74LS90N
**Pins:**
- CKA [pin 14]
- CKB [pin 1]
- GND [pin 10]
- NC_1 [pin 4]
- NC_2 [pin 13]
- QA [pin 12]
- QB [pin 9]
- QC [pin 8]
- QD [pin 11]
- R0(1) [pin 2]
- R0(2) [pin 3]
- R9(1) [pin 6]
- R9(2) [pin 7]
- VCC [pin 5]
### IC2 — [SN74LS90N](https://www.flux.ai/jecstronic/sn74ls90n~ilb.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: SN74LS90N
- Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74ls93.pdf
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments Inc.
**Pins:**
- CKA [pin 14]
- CKB [pin 1]
- GND [pin 10]
- NC_1 [pin 4]
- NC_2 [pin 13]
- QA [pin 12]
- QB [pin 9]
- QC [pin 8]
- QD [pin 11]
- R0(1) [pin 2]
- R0(2) [pin 3]
- R9(1) [pin 6]
- R9(2) [pin 7]
- VCC [pin 5]
### IC3 — [SN74LS90N](https://www.flux.ai/jecstronic/sn74ls90n~ilb.md)
- Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74ls93.pdf
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments Inc.
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: SN74LS90N
**Pins:**
- CKA [pin 14]
- CKB [pin 1]
- GND [pin 10]
- NC_1 [pin 4]
- NC_2 [pin 13]
- QA [pin 12]
- QB [pin 9]
- QC [pin 8]
- QD [pin 11]
- R0(1) [pin 2]
- R0(2) [pin 3]
- R9(1) [pin 6]
- R9(2) [pin 7]
- VCC [pin 5]
### IC4 — [SN74LS90N](https://www.flux.ai/jecstronic/sn74ls90n~ilb.md)
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: SN74LS90N
- Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74ls93.pdf
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments Inc.
**Pins:**
- CKA [pin 14]
- CKB [pin 1]
- GND [pin 10]
- NC_1 [pin 4]
- NC_2 [pin 13]
- QA [pin 12]
- QB [pin 9]
- QC [pin 8]
- QD [pin 11]
- R0(1) [pin 2]
- R0(2) [pin 3]
- R9(1) [pin 6]
- R9(2) [pin 7]
- VCC [pin 5]
### SW1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md)
- Manufacturer Name: OMRON
- Manufacturer Part Number: B3FS-1050P
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf
- Part Type: Switch
**Pins:**
- P1 [pin 1]
- P2 [pin 3]
### SW2 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md)
- Part Type: Switch
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf
- Manufacturer Part Number: B3FS-1050P
- Manufacturer Name: OMRON
**Pins:**
- P1 [pin 1]
- P2 [pin 3]
### SW3 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md)
- Manufacturer Name: OMRON
- Manufacturer Part Number: B3FS-1050P
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf
- Part Type: Switch
**Pins:**
- P1 [pin 1]
- P2 [pin 3]
### SW4 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md)
- Part Type: Switch
- Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf
- Manufacturer Part Number: B3FS-1050P
- Manufacturer Name: OMRON
**Pins:**
- P1 [pin 1]
- P2 [pin 3]
### U1 — [SN74LS47DR](https://www.flux.ai/jecstronic/sn74ls47dr~w5.md)
- Manufacturer Name: Texas Instruments
- Datasheet URL: https://www.ti.com/lit/ds/symlink/sn7447a.pdf
- Manufacturer Part Number: SN74LS47DR
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- a [pin 13]
- A [pin 7]
- b [pin 12]
- B [pin 1]
- BI/RBO [pin 4]
- c [pin 11]
- C [pin 2]
- d [pin 10]
- D [pin 6]
- e [pin 9]
- f [pin 15]
- g [pin 14]
- GND [pin 8]
- LT [pin 3]
- RBI [pin 5]
- VCC [pin 16]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mensgd/audio-electronics-or-copilot-preset~ai](https://www.flux.ai/mensgd/audio-electronics-or-copilot-preset~ai).*
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*Generated from [https://www.flux.ai/mensgd/audio-electronics-or-copilot-preset~ai](https://www.flux.ai/mensgd/audio-electronics-or-copilot-preset~ai)*