Extech 382285 Supply, Dual Tracking DC Power from Cole-Parmer
Paul In The Lab: Dual Tracking Power Supply Stripboard Veroboard Layout
Use a tracking power supply to improve signal-chain performance - EE Times
operational amplifier - Design Questions for Dual Tracking Power Supply Using 15 Volt 800mA Secondary Transformer, LM317, LM337, and Op Amp - Electrical Engineering Stack Exchange
A Digitally Controlled Dual Tracking Power Supply — II | Kerry D. Wong
operational amplifier - Design Questions for Dual Tracking Power Supply Using 15 Volt 800mA Secondary Transformer, LM317, LM337, and Op Amp - Electrical Engineering Stack Exchange