The universal chip preamp version 1 (for short : UCPv1smt) is a chip based stereo pre-amp,in a very small pcb 39(mm) x 39(mm).the UCPv1smt only use two universal dual opamp and few resistors.this is a diy friendly design,very low cost and very low cost shipping.
Project instruction
UCPv1smt is a determined version.Full discuss is here.
-UCPv1 standard schematic
-Test power supply for UCP
-UCPv1smt PCB layout
-UCPv1smt assembled module top view
-UCPv1smt assembled module bottom view
KIT including
UCPv1smt pcb -------------------------1
OPA2227 ------------------------------2,PDIP packaged
8Pin ic socket ---------------------------2
1K -------------------------------------12,0805smt
10K ------------------------------------8,0805smt
100K -----------------------------------4,0805smt
22K ------------------------------------4,0805smt
220P -----------------------------------2,0805smt (option for input lpf)
LED ------------------------------------1
0.33uf ----------------------------------2,philips film (option for input coupling,dc block,hpf)
10uf/63V -------------------------------4
3Pin terminal ----------------------------3
-UCPv1smt KIT photo
The below buy now button is for one kit including air shipping cost.I ship to international.