The Analog Processing Board module
The assembly is detailed below:
Specific points:
- A couple of headers to solder.
- Don't bother soldering SPI (the white header) if you don't plan on using it
- Setup the small jumper (in blue) to get signal from the "Raw Track". Other position is to get signal from SMA. Beware, there's no signal clipping there on this board.
- Setup the small jumper (in red) to get constant gain for TGC from the pot circle in dark red. The other position can be used if you plan on using the "GAIN" track (between 0 to 1V) to control the gain.
Read more on the dedicated page.
You need to power Tobo with a 3.3V source on track 19, and 5V on track 2.
Apply a small voltage on Raw Track with jumpers rightly positioned (A). You should get a amplified signal on track RawSig (B), the offset enveloppe on REnv track (C), and envelopped of the signal on
BEWARE! Only apply small voltages to input (less than 1 Vpp ideally, here calibration was done with 60mVpp signals)