Need for an Analog Electronic Engineer
Budget: €250 – €750 EUR
I need some help from a electronic analog engineer that been in this game for a while.
I have a basic design of a analog quite simple circuit that needs to be refined and improved before final build.
It's a low power Circuit for 2-wire Party line intercom system to be used with headset and Dynamic microphone. All driven from a 9V battery.
The circuits need to be as low power it can be. This circuit is quite simple with around 30-40 components in total.
The circuit today works quite well but I want to bring down the noise, maybe improve some of the analog circuits for the headphones and ringing from the Audio OP.
The things I need support and help with here are:
• Deep knowhow about analog circuits with Audio, decoupling etc.
• PCB ref designs for this type of things, Do:s and Don’ts . Schematic mockup
• Help with best choice of components and BOM
• Help with a new schematic, I do the PCB design though
• How to make it compatible with both dynamic and electret microphone (different inputs in PCB board are ok)
• Plus, if you use Eagle/KiCAD ECAD for sharing schematics etc.
• Need to prototype this and test some of the circuit out in your own place.
• Some video meetings where we discuss a bit more in depth about it and tackle it together.
I see this gig more like a support and sharing of experience then something delivered and then closed. I would prefer to do this work under a period of 3-4w with some HW iterations on my side before I feel done and we close the last milestone.
I have a basic design of a analog quite simple circuit that needs to be refined and improved before final build.
It's a low power Circuit for 2-wire Party line intercom system to be used with headset and Dynamic microphone. All driven from a 9V battery.
The circuits need to be as low power it can be. This circuit is quite simple with around 30-40 components in total.
The circuit today works quite well but I want to bring down the noise, maybe improve some of the analog circuits for the headphones and ringing from the Audio OP.
The things I need support and help with here are:
• Deep knowhow about analog circuits with Audio, decoupling etc.
• PCB ref designs for this type of things, Do:s and Don’ts . Schematic mockup
• Help with best choice of components and BOM
• Help with a new schematic, I do the PCB design though
• How to make it compatible with both dynamic and electret microphone (different inputs in PCB board are ok)
• Plus, if you use Eagle/KiCAD ECAD for sharing schematics etc.
• Need to prototype this and test some of the circuit out in your own place.
• Some video meetings where we discuss a bit more in depth about it and tackle it together.
I see this gig more like a support and sharing of experience then something delivered and then closed. I would prefer to do this work under a period of 3-4w with some HW iterations on my side before I feel done and we close the last milestone.