Liquid discharging apparatus and driving circuit board

A driving circuit board that has a driving circuit that drives a liquid discharging head having a first piezoelectric element that causes liquid to be discharged from a first nozzle by being driven and also having a second piezoelectric element that causes liquid to be discharged from a second nozzle by being driven, the driving circuit board comprising:

• a first driving signal creation circuit that creates a first driving signal;
• a second driving signal creation circuit that creates a second driving signal;
• a third driving signal creation circuit that creates a third driving signal;
• and
• a circuit board having a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side, the circuit board including the first driving signal creation circuit, the second driving signal creation circuit, and the third driving signal creation circuit;
• wherein
• the first driving signal drives the first piezoelectric element,
• the second driving signal drives the second piezoelectric element,
• the third driving signal drives the first piezoelectric element and the second piezoelectric element,
• the first driving signal creation circuit has a first transistor that amplifies a signal based on a first base driving signal from which the first driving signal is created, and also has a first integrated circuit that controls operation of the first transistor,
• the second driving signal creation circuit has a second transistor that amplifies a signal based on a second base driving signal from which the second driving signal is created, and also has a second integrated circuit that controls operation of the second transistor,
• the third driving signal creation circuit has a third transistor that amplifies a signal based on a third base driving signal from which the third driving signal is created, and also has a third integrated circuit that controls operation of the third transistor,
• the shortest distance between the first side and the first driving signal creation circuit is longer than the shortest distance between the first side and the third driving signal creation circuit,
• the shortest distance between the first side and the second driving signal creation circuit is longer than the shortest distance between the first side and the third driving signal creation circuit,
• the first integrated circuit and the first transistor are positioned on the circuit board side by side in a direction away from the first side and toward the second side,
• the second integrated circuit and the second transistor are positioned on the circuit board side by side in the direction away from the first side and toward the second side, and
• the third integrated circuit and the third transistor are positioned on the circuit board side by side in a direction away from the third side and toward the fourth side.