TL071, TL072, TL074 Op-Amp
- 2.25 - 20V power supply input
- https://www.ti.com/product/TL072H
- TL071, TL072, TL074 is single, dual, quad opamp
- TL07x series is specced for low noise typically (need a source)
24V DC Power Supply Brick
- Converts wall outlet output to 24V DC
- lowkey dont know if I need this high voltage but lets do this for now
- https://www.amazon.ca/Supply-Adapter-100-240V-Security-Upgrade/dp/B0BPLR1N6Y/ref=sr_1_5?keywords=24V%2BPower%2BSupply&qid=1702174716&sr=8-5&th=1
12V DC-DC Dual Rail Switching
- i need to find something for this or just steal a schematic online and use it in a hypothetical scenario
Dual Gang Potentiometer(?) 1KOhms
- https://www.mouser.ca/ProductDetail/Alpha-Taiwan/RV122F-20-15F-A1K-0072?qs=8%252Br4Hz5Xir%2FNkfIEtiaRVA%3D%3D
- 5% tolerance for better performance
- used in:
- initial input channel gain
- jk might make initial input channel gain determined by fixed resistors so that it can be sent to line output
- initial input channel gain
Analog 1:1 IC switch (basically a mute button)
LM3915 - IC for Analog Volume Meter
- https://www.homemade-circuits.com/lm3915-ic-datasheet-pinout-application-circuits/
- https://www.digikey.ca/en/products/detail/texas-instruments/LM3914V-NOPB/212685
- Using a 6.2kohm resistor tying Ref Out to GND because when Ref ADJ = GND, then Ref Out = 1.25V nominal, and 2mA of current is needed per resistor. Appx 10x the current pulled from Ref Out is the current supplied to each LED, so using V=IR with V=1.25V and I=0.2mA we get a 6.2kohm resistor
5K Logarithmic Taper Rotary Potentiometer (gain knobs)
https://www.taydaelectronics.com/5k-ohm-logarithmic-taper-potentiometer.html
- would use Digikey but might as well match the linear pots, plus this is way cheaper, and tolerances don’t matter at all (as far as i know if its 4k or 6k ohms we’ll still be fine lol)
5K Logarithmic Taper Slide Potentiometer (audio fader)
https://www.taydaelectronics.com/ra6020f-a5k-ohm-logarithmic-taper-slide-potentiometer.html
- I wanted a Digikey one but they’re all linear taper for some reason lol
Female XLR PCB mount receptacle
Female 1/4” PCB Mount receptacle
Green, Yellow, Red, LED 10 packs each
5V 2A Power Supply brick w/ standard 2.1mm jack
https://www.pishop.ca/product/5v-2a-2000ma-switching-power-supply-ul-listed-2/
- corresponding barrel jack https://www.mouser.ca/ProductDetail/Gravitech/CON-SOCJ-2155?qs=fkzBJ5HM%252BdCcpvFQyQZHtA%3D%3D
- might need to change to 9v
2200uf capacitor for low pass filtering the PSU input
https://www.digikey.ca/en/products/detail/rubycon/10PX2200MEFC10X16/3133988
Latching On-Off Logic Switch SPST
https://www.digikey.ca/en/products/detail/carling-technologies/110-P/696604
AC-DC Switching Power Supply Board Module AC110V 220V 230V to DC ±5V ±12V ±15V
based from this video https://www.youtube.com/watch?v=4tDdUWh36bQ