Electrical Engineering Glossary Definition for Vcc

Definition

The supply voltage for a circuit is often given as V plus a double-letter suffix. The double letter is usually related to the lead of the transistors that are commonly connected to that supply or to a resistor that connects to that supply.

Examples: V_CC is a positive-voltage supply and the collector terminal of bipolar transistors is connected to the V_CC supply or to a load which connects to V_CC. V_SS connects to the source terminal of a FET, etc.

V+ and V- are also common ways to refer to a supply voltage.

Synonyms

• Vbb
• V+
• Vee
• V-
• Vdd
• Vss

See Also

• Volt
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