The voltage threshold for triggering a Voltage-Controlled Current Conveyor (VCCS) is not a standardized value and can vary depending on the specific design and implementation of the circuit. The VCCS is a versatile analog electronic component that can be used in various configurations, and its behavior is determined by the circuit design and the characteristics of the active components used.
In general, a VCCS is designed to convert a voltage input into a corresponding current output, and its operation can be controlled through external voltage signals. The threshold voltage for triggering or controlling a VCCS would be determined by the biasing and operating conditions of the transistors or other active elements used in its construction.
If you're working with a specific VCCS circuit or IC (integrated circuit), you would need to refer to its datasheet or documentation to find information about its voltage thresholds, control ranges, and operating characteristics.
Keep in mind that the VCCS is just one component in analog electronic circuits, and its behavior is intertwined with the overall circuit design. Therefore, understanding the context of the circuit and its components is crucial to effectively utilizing and controlling a VCCS.