SU453702A1 - SQUARE - Google Patents

Description

The invention relates to the field of measurement., In part: to functional measuring transducers,} i can be a projection; As an element of the live devices, IB measuring voltage transducers of the effective value of voltage or current, in analogue computing systems.

The quadrant of the Time of ilguls type is known, which contains the source of the iB.xoAHoro signal with the pr.migm and inverse output, the magnetically transfected nonstop multivibrator, the output winding of the transformer of which is connected via a cable; to one input of an operating amplification, and to its other input. podkl Ochen And stok ik constant augment.

The known quadrant makes it possible to obtain a 0.2% wadravium, but this requires a combination of a scale to determine the asymmetry and errors.

Especially Velik (1 -1.5% ia 10 ° C) Te.iieratur and error, determined by temperature changes of the voltage and bazelestrpr transistors, reverse collector current of the transistor and direct voltage of the diode rectifier, which is laborious and long process.

from higher and transforming the 1G quadr into the magnet of a 1tp-transigutor circuit. the multiplier introduces an additional transistor, the control input of which through a painful resistor is connected to the octacillon, and between 1CTG4 JKOM input sig and IIv input oneracyolp the amplifier is introduced by a reversible modulator, which controls the input of the switch to the additional winding of the transformer, the magpit of the Yu transistor multivibrator.

The drawing is a diagram of the proposed quad.

My suggestion ... my quadrometer of the v. M pulse type contains magnetically traiscist .multivibrator / L magnetic feedback, BbmOvinenHbni on transistors 2 and 3, transistor 4, which plays the specific role of controllable sounding, which is included in the set pattern, and is activated by a switch. 5 and 5 of the reversing modulator 7 of the signal voltage, the operational amplifier 8, the rectifier 9, the resistors 10 and // iB of the reverse circuit of the multivibrator s / s, the limiting resistor / 2 at the output of the operational amplifier 8, the resistor 13 in the trans 1 control circuit ( gtor 5 and (5, will limit resistor 14, maspgab 1st resistor 15-17, windings 18 and

19 tramsformator and ferromagnetic core 20 multivibrator.

The supply voltage is connected through a controlled resistance,) As which is the use of transistor 4, it can be replaced by a field triode or another without a: | 1c: a controlled controlled suppression. The transistor 4 through the limiting resistor 12 is controlled by an operational-ion amplifier. A constant voltage E is connected to the INPUT of the latter through a current of 15. The source voltage, oi-terminal X is connected to the input of the amplifier 8 via a reversing modulator 7, made on the key of transistors 5 and 6, controlled by the voltage of the winding 18 of the multivibrator / , and resistors 16 n 17. For the flat quadr, it is necessary that the mrN saturated transistors 5 and 6 have a current flowing through the resistor 16,; twice the current flowing through the resistor 17; fulfilled this relationship of pr.i and jeremapichpvanpn heart of 20 tons of one and directed to summing point “amplifier 8 has a current flowing in, donor

, -,, ,:, - K, a, and the N – 1 i – j) K,:, Kchk ,, -. k,:. fti; Since for liking the operation of the circuit, it is necessary that also KiiK in i | ioTHiB- io: In case of change, the total current in the sum of the dimming point is measured. The current iiu) Eqn (2), (1) is compensated by the current-ohm / II created by the coupling, induced on the winding of the 19 multi, ibr1tora /. connected via the rectifier 9 and the resistor 14 to the summed-up point of the amplifier 8., (;, where S is the cross section of the heart: ich 20; dB / dt-speed is the measurement of induction in the heart, i.c.ke 20; 2Il-1nadpep voltage on the two diodes of the downlink 9. The difference between the currents 1 and / c is controlled through the amplifier 8 and the transistor 4, which performs the function of the controlled resistance, voltage, induced by 4ia winding 19. With a large factor, the amplifier is 8 currents // and I n are almost equal, then when the core is unrepeatable in one m direction from ypaBHCiHui (1) n (5) it follows that

X

R ;;

(6)

 . d.

±

WitSR ™ (7)

AND-

and IB redelivering IB other direction

dB K.iX

()

Since the change in the induction of the DV is remagnetized in both 1iatr: & x is the same, then the arenas are 1 rebranding, and in two lines are defined as

DV

(9)

dd

(ten)

fi-i- / C, .Y

The average voltage of a casse of a puller 9 is defined as fj f -OoutC) - iX -, () where 6out (O)%. Rir, Kch Kla R From equation (II), it can be seen that the change in the average output at the output of the device is proportional to the square of the signal's nationality X, in addition, there is a constant component / «Ы1 (0), which can be changed by further transformations with an accuracy determined by the MI supply, / g (0) and a are determined by the stability of the 14-P resistors and the voltage stability E, and do not depend on the parameters of the multivibrator /, the on-amp amplifier 8, the load and the latest conditions. . Voltage (X and (-) is required from the signal source, but this is not an essential feature of the device, since if there is only voltage (4-), the voltage (-X.} Can be obtained, for example, by inverting additional operational amplifier. In the proposed quad, the signal source is connected ic to the summing point of the amplifier 8 via a reverse modulator controlled; voltage of the winding 18 is multivariable. The proposed quadr meets the requirements of the class 0.1 and the Kticically does not require adjustment. Inventory A time-pulse-type quad, containing an input source with a direct

and an inverse output, a magneto-transistor multinvnbrator, the output winding of the transformer of which is connected via a rectifier to one of the large-scale resistors to the single inputs of the operating unit, and to its other Bxo; iaM and keys, a constant source and a source that differs from them, with the Gyo and other switches, the source of a constant air source, which has, in its turn, is connected to one of the connectors, and the other has a source of constant ignition, and you can connect with a different source, and you have a source of constant electrical source, and you can connect with a different source, and you can use the source of a constant source, but you can connect with a different source, and you will get a source of constant electrical source, and you can connect with another one. accuracy of conversion, an additional transistor was introduced into the power supply circuit of the magneto-transistor multivibrator, the control input of which through a limiting resistor is connected to the output of the operational amplifier, and between The input signal and the input of the amplifier have a reversible modulator, the input of which is connected to the additional winding of the transformer of the magnet-transistor multivibrator.

9-E