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AUTOMATIC (AUTO) TRACKING OPERATION
A master-slave connection of two or more power supplies each of which has one of its output terminals in
common with one of the output terminals of all of the other power supplies. Auto-Tracking operation is
characterized by one-knob control, proportional output voltage from all supplies, and no internal wiring
changes. Useful where simultaneous turn-up, turn-down or proportional control of all power supplies in a
system is required.
AUTO-TRACKING POWER SUPPLY SYSTEM
CARRYOVER TIME
The period of time that a power supply's output will remain within specifications after loss of ac input power. It
is sometimes called holding time.
COMPLEMENTARY TRACKING
A master-slave interconnection similar to Auto-Tracking except that only two supplies are used and the output
voltage of the slave is always of opposite polarity with respect to the master. The amplitude of the slaves' output
voltage is equal to, or proportional to, that of the master. A pair of complementary tracking supplies is often
housed in a single unit.
COMPLIANCE VOLTAGE
The output voltage rating of a power supply operating in the constant current mode (analogous to the output
current rating of a supply operating in the constant voltage mode).
CONSTANT CURRENT POWER SUPPLY
A regulated power supply that acts to maintain its output current constant in spite of changes in load, line,
temperature, etc. Thus, for a change in load resistance, the output current remains constant while the output
voltage changes by whatever amount necessary to accomplish this.