Hi all!
If I'm making a PCB that I want to use with guitars, should I put a pre-amp on the PCB?
thanks! having a great time with the chip!
Guitar level input?
Moderator: frank
-
- Posts: 3
- Joined: Sun Aug 08, 2010 9:02 am
- Location: Cambridge, MA
- Contact:
Guitar level input?
Consider a new, mobile platform for your electronic music: http://exertion.pbworks.com
You will need some form of buffer for the guitar signal, guitar signals are rather weak so you will want a buffer with a high input impedance.
Frank Thomson
Experimental Noize
Experimental Noize
-
- Posts: 3
- Joined: Sun Aug 08, 2010 9:02 am
- Location: Cambridge, MA
- Contact:
Gain?
THank you! Also, would you or other guitar pedal experts recommend any particular gain value? or just a pure unity gain buffer? I've seen elsewhere to have (the relatiely small amount) 3dB of gain, for example. I'm okay with guitarists turning down their volume knob... I don't want to put an extra gain pot on the pedal though.
I see from TFM the maximum analog in values are 2.6V to 3.0V. Can you tell me what the maximum ADC value is?
thanks!
I see from TFM the maximum analog in values are 2.6V to 3.0V. Can you tell me what the maximum ADC value is?
thanks!
Consider a new, mobile platform for your electronic music: http://exertion.pbworks.com
There is no fixed level for guitars, so using a unity gain structure or one that can provide some boost is a good start.
What do you mean by "maximum ADC value"? If you mean the signal then it must never exceed the 3.3V rail but should be set closer to 3.0Vp-p to avoid clipping or distorting.
What do you mean by "maximum ADC value"? If you mean the signal then it must never exceed the 3.3V rail but should be set closer to 3.0Vp-p to avoid clipping or distorting.
Frank Thomson
Experimental Noize
Experimental Noize