SU366557A1 - FORMER OF MAGNETIC PULSES - Google Patents

Description

one

The invention relates to the field of radio engineering and can be used for constructing code systems of telemechanics and computing devices for remagnetization of cores with a rectangular hysteresis loop (BCP).

A shaper of magnetizing pulses on transistors of different conductivity is known, which contains a load in the form of transformers on cores with a rectangular hysteresis loop, the series-connected windings of which form readout circuits and chokes.

However, this driver is designed for simultaneous reversal of only one core.

The inventive slit is an increase in the number of simultaneously reversible cores and a reduction in power consumption.

For this purpose, in the proposed shaper, the readout circuit is connected to the power supply through a d / v drossel and counter-coupled collector-base transitions of two transistors of different conductivity.

The drawing shows a circuit diagram of the proposed driver.

The shaper reversal, their pulses contains output and phase-shifting transistors 1, 2, load in the form of transformers 3, 4 on cores with IGT, series-connected windings of which form reading circuits, chokes 5, 6 with ring ferrite core} P1cami, current supply resistor 7, auxiliary circuits from diodes 8-11 and capacitors 12, 13.

In the initial state, the transistors /, 2 are securely closed. The driver is triggered by short pulses of either polarity, after which both transistors are avalanched to saturation due to emf. self-induction in throttles 5 and 6. As the value of inductive resistance of throttles 6 decreases (due to saturation of its core), the current in the read circuit increases, and when it reaches high, the starting current begins to re-magnetize the cores with the read circuit's BCP. Occurs at the moment of reloading of one or at the same time several emf cores. self-induction continues to support the process of saturating transistors / n 2. The shunting effect of the input resistance of transistor 1 is significantly reduced by introducing a resistor 7 into its emitter circuit. As a result, the process of magnetization reversal of the cores is significantly accelerated. The need to insert a current limiting resistor into the read circuit is significantly accelerated. After the final reversal of all the cores of the readout circuit, transistor 2 exits saturation and iBMecTe with transistor 1 closes. Thus, the duration of the generated pulses automatically changes depending on the Amount of simultaneously remagging cores, the degree of load of individual transformers and the magnitude of the supply voltage, which ensures that the electrical energy consumption of the transistor of different conductivity, containing the load in the form of transformers on cores with a rectangular hysteresis loop, connected in series windings of which Readout circuits, chokes, characterized in that in order to increase the number of simultaneously remagnetized cores and reduce power consumption, the readout circuit is connected to the power source through two throttles. counter-parallel connected transitions collector-base of two transistors of different conductivity.