SU1401578A1 - Stepped voltage generator - Google Patents

Abstract

The invention relates to a pulse technique and can be used in signal shapers of a special form. The aim of the invention is to form a symmetric, stepwise-triangular voltage while simultaneously expanding the functionality. This is achieved by the simultaneous formation of step-rising and step-falling stresses. The generator contains a clock bus 1, ring shift register 2, trigger 3, converter 4 code - voltage, voltage divider 5, first and second groups of keys 6-1 and 6-2, switch 7, from the first to the third output tires 8, 9 and 10 and the reference voltage bus. A significant advantage of this generator is the use of a code in the converter — the voltage of a voltage divider across N equal parts, as well as the use of a ring shift register as pulses and a decoder. These irregularities allow, at the same time, to form a step-increasing, step-falling and symmetric step-triangular voltage. 2 ill., I table. (L

Description

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The invention relates to a pulse technique and can be used in a special waveform generator.

The purpose of the invention is to form CKMMeTpifMHoro of stepwise-triangular voltage with simultaneous expansion of functionality due to the simultaneous formation of stepwise triangular, stepwise rising and stepwise falling voltages.

FIG. 1 shows a structural electrical circuit of the generator; in fig. 2 - timing diagrams for the generator operation.

The generator (Fig. 1) contains a clock bus 1, an annular shift register 2, trigger 3, converter 4 code — voltage divider voltage 5, first and second groups of keys 6-1 and 6-2, switch 7, from first to third output bus 8-10, bus And reference voltage.

The step voltage generator operates as follows.

The sequence of pulses (Fig. 2a) is fed to the input of register 2. Code combinations formed, for example, by a four-bit coded shift register, are presented in the table.

The generated codes arrive at the control inputs of the first and second

0

groups of keys 6-1 and 6-2 of converter 4. As a result of this, tires and 9 and 10 simultaneously form us a dropout and a falling voltage (Fig. 2c, d). Switch 7 is controlled by trigger 3, whose input is connected to the output of the last bit yes ring shift register

o 2 (Fig. 26). At the output of the switch 7, it has a quasi-triangular voltage (Fig. 2e).

The advantage of the proposed generator in comparison with the known

5 step voltage is the use of the code in the converter - the voltage of the voltage divider into N equal parts, as well as the use of a ring shift register in

0 as a pulse counter and a decoder. These features make it possible to simultaneously form a step-rising, step-falling and symmetrical step-tre5 coal voltage.

Claims (1)

Invention Formula A step voltage generator containing a pulse counter connected in series, the input of which is connected to the clock bus, a trigger and a switch whose output is connected to the first output bus, as well as a converter code - voltage 5 whose input voltage is connected to the reference voltage code inputs are in parallel with the pulse counter outputs — the first and second outputs are, respectively, with the first and second inputs of the switch, which is different from the fact that, in order to ensure the formation of symmetric step-wise triangular voltage at the same time, while expanding the functionality by enabling the simultaneous formation of step-triangle, step-increase and step-down voltages, the second and third output buses are connected to it, respectively, connected to the first and second outputs; converter code - voltage, 5, the N-bit ring shift register is used as a pulse counter, and the code-voltage converter contains a voltage divider and the first and second groups of keys, whose information inputs of the i-ro key in the first and second groups of keys are connected to the i-th tap of the voltage divider, where, ..., N, the control inputs from the first to the Nth keys of the first group of keys are connected, respectively, from the first to N-th code inputs of the converter code-voltage, control inputs from the first to the N-th key of the second group of keys are connected respectively 1578 from N-ro to the first code inputs of the converter code - voltage, outputs of all keys of the first group g keys are connected to the first one, and all the keys of the second group are connected to the second outputs of the converter code - voltage, with the first and second terminals of the voltage divider connected 10, respectively, with the input reference Transducer Code Voltage - Voltage and with a common bus. a 5 s 11PP1 | 11I11I111I11MIP1 {| P1M1N1PII1 I i i I I I I I I I I I / | / 1/1 / / 1Л / / 1/1/1. a to 1 /, / l. ig.2