A compact line level audio mixer.
Volume control via Digipots.
- Export BOM and price out parts
- CODE
- 772-E25-103RYY1 norcomp db25 IP67 connector male
- 772-E25-203RYY1 norcomp db25 IP67 connector female (for panelmount)
- 967-025-010R011 norcomp db25 IP67 backshell for cable
- SFP6725 norcomp adhesive seal db25 size
- 967-025-CAP norcomp ip67 sealing cap
- 160-067-004R034 norcomp db25 hardware kit
- 767KS1(X) 0.084 [2.1] id/od sealed locking power plug switchcraft
- L722AS 0.08 [2.0] id/od sealed locking power jack switchcraft (these sizes are compatible with high amperage version)
- JCAP power jack cover
- 35FM3AULS - Sealed locking 3.5mm panel mount jack switchcraft
- 35HDLBAU(S) 3.5mm sealed locking plug switchcraft (S=0.175 diameter cable, no S=0.29 diameter cable)
- NE8FDX-P6-W IP rated ethercon connector Cat6A shielded neutrik
- NE8MX6 Cat6A ethercon cable connector neutrik
| Component | Quantity | Current | Voltage | Total Watts |
|---|---|---|---|---|
| 4x Op Amp | 1 | 2.8mA | ±12V | 67.2mW |
| digipots | 8 | 2uA, 5uA | +5VD, ±5VA | 0.48mW -> 0.5mW |
| microproc | 1 | 27mA | 5V | 135mW |
| Total | 202.68mW | |||
| ref total | 500mW |
- http://playground.arduino.cc/Main/RotaryEncoders#Example1
- https://www.arduino.cc/en/Reference/Wire
- http://gammon.com.au/interrupts
- https://www.arduino.cc/en/Reference/AttachInterrupt
- https://m.reddit.com/r/arduino/comments/1tr7in/question_i_burned_out_this_small_smd_component_on/
- https://www.arduino.cc/en/Hacking/PinMapping32u4
- https://www.arduino.cc/en/Main/ArduinoBoardMicro
- http://www.atmel.com/Images/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf
- http://sound.whsites.net/articles/capacitors.htm
- http://electronics.stackexchange.com/questions/210376/details-on-pcb-layout-for-microcontroller
- http://electronics.stackexchange.com/questions/210580/pcb-microcontroller-layout-in-a-mixed-signal-system
- http://electronics.stackexchange.com/questions/7535/what-precautions-should-i-take-when-mixing-analog-audio-and-digital-on-the-same
- https://wiki.xtronics.com/index.php/Eeschema#Printing_to_a_web_viewable_file
- http://www.all-electric.com/schematic/simp_mix.htm
- http://sound.whsites.net/articles/audio-mixing.htm
- http://www.hobbyprojects.com/A/mixers.html
- https://www.maximintegrated.com/en/app-notes/index.mvp/id/1133
- https://books.google.com/books?id=rZDbnQ0siCYC&pg=PA65&lpg=PA65&dq=max6820+capacitor+value&source=bl&ots=sMOHEXxgaR&sig=d1sH1XYZMVvH4Y1nVS2bvKtejF0&hl=en&sa=X&ved=0ahUKEwic_NTY_e3PAhXBx4MKHRdlA-UQ6AEIRTAH#v=onepage&q=max6820%20capacitor%20value&f=false
- http://electronics.stackexchange.com/questions/5403/standard-pcb-trace-widths
- http://electronics.stackexchange.com/questions/185212/i2c-pcb-layout-considerations
- http://electronics.stackexchange.com/questions/39136/competing-pcb-crystal-layout-recommendations
- http://electronics.stackexchange.com/questions/41851/how-critical-is-the-layout-of-usb-data-lines-how-does-my-layout-look
- http://www.atmel.com/Images/Atmel-8128-Best-Practices-for-the-PCB-Layout-of-Oscillators_ApplicationNote_AVR186.pdf
- http://www.ti.com/lit/an/scaa082/scaa082.pdf
- http://electronics.stackexchange.com/questions/15135/decoupling-caps-pcb-layout/
- http://electronics.stackexchange.com/questions/117817/learning-pcb-layout-strategy
- http://electronics.stackexchange.com/questions/216410/pcb-layout-needs-improvement
- http://electronics.stackexchange.com/questions/28251/rules-and-guidelines-for-drawing-good-schematics
- http://electronics.stackexchange.com/questions/20180/pcb-layout-questions-for-mcu-breakout-board
- http://electronics.stackexchange.com/questions/19688/is-it-normal-to-have-a-rats-nest-of-vcc-gnd-traces-under-an-ic
- http://www.onmyphd.com/?p=pcb.design
- http://www.ti.com/lit/an/scaa048/scaa048.pdf
- http://www.hottconsultants.com/questions/mixed-signal_PCB_layout.html
- http://www.hottconsultants.com/questions/supplying_power_to_a_mixed-signal_PCB.html
- http://www.analog.com/en/analog-dialogue/articles/staying-well-grounded.html