A pulse width modulation fan controller is used for an electronic device. In one embodiment, a parameterized bus repeater circuit cell of variable length having a width of three times the wire pitch of the bus to be repeated is described. The water-dilutable binding agents are based on polymer dispersions, which are characterized in that they contain at least one poly acidpolyvinylpyrrolidone complex and optionally one or several water-soluble zircon compounds. In one preferred implementation, a Mach-Zehnder modulator also provides phase modulation to give QAM functionality. This has the benefit of preventing the subsequent turns of the tape from loosening out of the spool, and enables the tape being continuously, evenly, and securely wrapped on the wire in a high speed operation. As the horizontal float rises and falls in conjunction allowing gas to vent as it is accumulated.