A voltage stabilizing circuit drives an oscillating circuit to produce high frequency square-wave signal.

According to the invention, the circuit portion I is provided with a circuit portion II for low-frequency square-wave modulation of the frequency f and for the adjustment of the duty cycle of said square-wave modulation.

The active filter inverter (54, 56) is preferably implemented as a square-wave inverter.

It is a positioning scanner chosen for its good response to square signals.

The signals can be interpreted by motor controllers as required.

Linking is via square pulses with a duty cycle of preferably 50 % via a logic AND link (3, 4).

Each of the N squared measurement signals is sampled at a wave number increment delta K so that N squared sampled signals are produced from which the NxN transfer function elements are generated.

The square wave amplitude from a cycle immediately after a retrace is considered as errant data that should be excluded from a phase nulling loop.

The present invention provides a novel gate driver apparatus in which an energy recovery circuitry is incorporated in a square-wave gate driver.

However, instead of square pulses as OQPSK uses, MSK encodes each bit as a half sinusoid.

Generally the encoder supplies two 90-degree staggered square signals, identifying the direction of rotation.

The register is controlled by a clock, which emits square waves that we only consider here for their leading edge.

The register is controlled by a clock, which emits square waves that we only consider here for their leading edge.

Cables tend to round off the square waveforms of the signal, making them less clear to the processor, thus increasing jitter.

The square-wave signal passes through an induced coil of an induced circuit and an a.c. voltage having high frequency is outputted by output stage of the induced coil.

Electrobiologic stimulation is carried out transcranially by ypplying high frequency squarewave bursts (10) exhibiting no d.c. term across the cranial region.