SU406297A1 - FORMER OF PULSES CURRENT WITH THE SPECIFIED RATIO OF AMPLITUDES - Google Patents

Description

one

The invention relates to electromagnetic technology and can be used in devices with threshold logic and in digit-analog and analog-digit converters.

A current pulse shaper with a specified amplitude ratio is known, containing n main transformers with control, supply, load and compensation windings and one auxiliary transformer with control, supply and load windings, the power windings of all transformers are connected in series, and the load winding of the auxiliary transformer is connected to serially connected compensation windings of the main transformers through a transistor amplifier, assembled according to the scheme IU with a common base.

This driver does not provide a proportional dependence of the amplitudes of the generated current pulses to the amplitude of the supply current.

The purpose of the invention is to provide a direct proportional dependence of the amplitudes of the generated current pulses on the amplitude of the supply current.

For this, an additional winding is connected in series with the supply winding of each main transformer, identical to the supply winding of the auxiliary transformer.

The drawing shows the circuit diagram of the proposed current pulse driver, which contains the main transformers 1a-In, control windings 2a-2p, supply windings Z-3p, load windings 4a-4p and compensation windings 5a-5p, auxiliary transformer 6 having control 7, the supply winding 8 and the load winding 9. The supply windings of the Over-3 of transformers 1a-1p are connected in series. The load winding 9 of the transformer 6 is connected

to series-connected compensation windings 5a-5p through a current amplifier assembled on a 1G transistor according to a common base circuit. Consistently with the power windings Over - 5p

Included are additional windings At-11p, identical to the supply winding 8 of the auxiliary transformer 6.

The shaper works as follows. The current pulses from the generator 12 units to the control winding 7 of the auxiliary transformer 6 are identical to the pulses fed to the control windings 2a-2n of the main transformers. The power supply source 13 generates the following single-frequency rectangular or trapezoidal current pulses with a fixed frequency, the duration of which corresponds to the time of the magnetization reversal of the cores in the same mode for all transformers 1a - In of the former, which is set for each transformer by selecting its load resistance. In the intervals between the power pulses, current pulses can be applied to the control windings 2a-2p of the main transformers / a-In, the remagnetization of the corresponding cores in the state opposite to that established by the current pulse PI 1 a, and. The next supply current pulse is transmitted to the transformer load circuit only under the condition that the control winding of this transformer was excited by an input pulse in the preceding period, in the absence of input pulses, the cores of the main transformers are not remagnetized and there is no transfer of the supply current to the load circuit.

The control winding 7 of the auxiliary transformer 6 is energized before each pulsed lithium, as a result of which this transformer is triggered with each supply pulse. The pulses issued by him are used to achieve accurate compensation in ppm. magnetizing the main tr; a | nsformators in the following way. The additional windings Ita-lln on the cores of the main transformers 1a-1p create, in effect, I1 1pulse, and the supply current of the ampswitch, covering with some excess W. e. magnetization. Since ancillary transfrrm, a1; or 6 has the same ppm: C. Since the magnetization, and its am, the power feed pervitks are equal to the additional amperages, then the amceter load voltage of the transformer 6 is exactly equal to the excess of the additional ampere turns of the axial transformer over the m. magnetization. The transfer of these ampere turns to compensation windings, which are turned on in relation to the additional windings of the main transformers, compensates for the excess of additional ampere turns. In this case, an accurate compensation of the magnetizing current of the main transformers is achieved, which remains in force in the range of variations of this current in which the assumption is made that the characteristics of the cores that determine the behavior of the MS are identical. magnetization.

Subject invention

A current pulse shaper with a specified amplitude ratio, containing n main transformers with control, supply, load and compensation windings and one auxiliary transformer with control supply and load windings, the supply windings of all transformers are connected in series, and the load winding of the auxiliary transformer is connected to series connected to the compensation windings of the main transformers through a transistor amplifier. assembled according to the scheme with a common A base, characterized in that, in order to ensure a proportional dependence of the amplitudes of the generated current pulses, the amplitude of the supply current in series with the supply winding of each main transformer includes an additional winding identical to the supply winding of the auxiliary transformer.