SU1534447A1 - Controllable bipolar parametric voltage stabilizer - Google Patents

Abstract

The invention relates to electrical engineering and can be used in secondary power sources. The purpose of the invention is to increase the stability of the output voltage. The device contains a voltage reference element on one or several series-connected Zener diodes 1, two field-effect transistors 2 and 3, an operational amplifier 5 and an adjustable divider 4 of the support element, the middle terminal of which is connected to the inverting input of the amplifier 5. The gates of transistors 2 and 3 are combined and connected to the output of amplifier 5. This allows potential control of the initial level of the reference voltage, since provides a constant current mode of the zener diode. 1 il.

Description

(21) at: Y980M-07

(22) 03/21/88

(№} 07.01 .90. Bul. No. 1

(71) Krasnodar national-industrial collective Saturn

 A.M.Gordienko

(53) 621. 316. Tsg, 1 (088.8)

(56) Patent GDR N,

Cl, G 05 F 1/56, 1985.

chg xenko. G, et al. Application of npe. t - (ionic egppe of integral integral micr-chem. - i i .: Pan-ir and communication, 1981, p., rig. 1 1P.

(h VLAHMY BIPOLAR PARAMETRIC VOLTAGE STABILIZER (e7) The invention is classified as an e / .ectro-technology and can be used in

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secondary power sources. The purpose of the invention is to increase the stability of the output voltage. The device contains an open voltage element on one or several series-connected Zener diodes 1, two transistors 2 and 3 on the left, an operational amplifier 5 and an adjustable divider k of the reference voltage, the middle output of which is connected to the inverting input of the amplifier 5. The gates of transistors 2 and 3 are combined and connected to the output of amplifier 5. This gives the possibility of potential control of the initial level of the reference voltage, since provides a constant mode of operation for the current of the Zener diode 1. 1 Il.

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control voltage At change of the managing director; (At the same value, the potential of the voltage on the slider of potentiometer C and the voltage of the output polarized tires changes. The combination of the gates of field-effect transistors 2 and 3 ensures constant operation

The invention relates to electrical engineering and can be used in secondary power sources of measuring devices in measuring, for example, the modes of operation of elements that are potentially biased relative to a common tire.

The aim of the invention is to increase the stability of the output voltage JQ Y stabilizer 1 and possibilities. according to stabilizer.

The drawing shows the principle of the reference voltage level 1, the potential electric circuit, the stabilization level of the voltage on the motor of the potentiometer k) Residual changes

The stabilizer contains an element of a support (clamping works on the current of a stz python voltage 1. on one or several series-connected semiconductor zener diodes 1, connected between the sources of field currents) Compared to the THL cable, the proposed distributor is more

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of the resistors 2 and 3 with p - n-junctions and ka-20 Ravl Yu e ° vol.

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The terminals of the opposite type of conductivity and connected to the output polarized buses, the outflows of the field-effect transistors are connected to the input power lines, controlled by the reference voltage divider on the potentiometer C, the slider of which is connected to the inverting input of the operational amplifier 5, the output of which is connected to the combined gate valves gamzis, oroch, d noninverting chochot - from ly.g iy - operating nchpr g: not

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When supplying the supply voltage, i, the field-effect transistors 2 and 3 and the zener diode 1 pass a current creating a reference voltage on the zener diode 1, which with the help of a potentiometer and an operational amplifier 5 is divided into two parts and potentially shifted relative to the common bus by

control voltage At change of the managing director; (At the same value, the potential of the voltage on the slider of potentiometer C and the voltage of the output polarized tires changes. The combination of the gates of field-effect transistors 2 and 3 ensures the stability of the operating mode by means of the stabilizer 1 and the potential control of the neutral

Press Works on current STZ pitpon 1.

In comparison with the THL and VILTs, the proposed ibldpag is more

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I «- Г | рО1И9ОПО / Т1-, Г1ОЬ (. ИИНДИМ, Tk- I-oe L-ici, s s b (one and the same I ip NIM t I ll-i I С, OCI half-way) IChs- 1-1y with input pioni tires, ip hlmi tires, a regulating voltage of the reference ment--, the average BLHU- / I of which is connected to the inerting input of an operational amplifier, the noninverting voltage of which is connected to the control voltage busbar, from Since in order to increase the output voltage, the field-effect transistors are connected and connected to the output of the operational amplifier.

Claims (1)

SUMMARY OF THE INVENTION A controllable two-field parametric voltage regulator containing a voltage support element ”: connected, between the sources of field-effect transistors by a cpn junction and with the opposite type of conductivity and connected to output bipolar buses, the drains of field-effect transistors are connected to input bipolar buses power supply, an adjustable voltage divider of the reference element, the middle output of which is connected to the inverting input of the operational amplifier, the non-inverting input of which is connected to a control voltage bus, distinguishing 40 s in that, in order to increase the stability of the output voltage, the gates of the field-effect transistors are combined and connected to the output of the operational amplifier.