Introduction
Balanced line driver is an universal design based on TI's DRV134 opamp.it is made for unbalance to balance signal convert.full discuss at HERE.

Project schematic



the 300ohm resistors is for circuit debug,diyer can ignore it.



PCB CAM file
Click here to download the self exta zip file.feel free to use it.



Module connections






Notice
there are pins different of TO220 & TO92 packaged fix regulated chip.check below photo:





BLD PCB is available.the below button is for 4PCBs order including shipping.