SU746861A1

SU746861A1 - Two-channel shaper of single band signal

Info

Publication number: SU746861A1
Application number: SU782610990A
Authority: SU
Inventors: Вячеслав Соломонович Островский; Виктор Михайлович Васильев
Original assignee: Предприятие П/Я В-2203
Priority date: 1978-04-18
Filing date: 1978-04-18
Publication date: 1980-07-07

Description

(54) ДВУХКАНАЛЬНЫЙ ФОРМИРОВАТЕЛЬ ОДНОПОЛОСНОГО(54) ONE-BAND TWO-CHANNEL FORMER

II

Изобретение относ,итс к области ра- диосв зи.The invention relates to the field of radio communication.

Известно устройство дл формировани однополосного сигнала, содержащее переключатель селекции частоты, генератор частоты, запомЙ11ающее устройство, цифро-аналоговый преобразователь, фильтры, балансный смеситель, запоминающее устройство квадратурной составл ющей, автогенератор , сумматор, фазовращатель l..A device for generating a single-band signal is known, comprising a frequency selection switch, a frequency generator, a memory device, a digital-to-analog converter, filters, a balanced mixer, a quadrature component memory, an auto-oscillator, an adder, a phase shifter l ..

Недостатком данного формировател вл етс его сложность.The disadvantage of this former is its complexity.

Наиболее близким по технической сущности к за вленному вл етс устройство, содержащее в каждом канале формирователь симметричных импульсных сигналов, вход которетк соединен с одной из -: входных шин, а выходы подключены ко выходам двух инверторов, два логических элемента И, выходы которых соединены о со входами логического зп&ле та ИЛИ, причем выходы формировател симметричных импульсных сигналов первого канала соединены соответственно с первымиThe closest in technical essence to the claimed is a device that contains in each channel a driver of symmetric pulse signals, the input of the phantom is connected to one of the -: input buses, and the outputs are connected to the outputs of two inverters, two logical elements And, the outputs of which are connected the inputs of the logical sn & le OR; the outputs of the former of the first channel symmetric pulse signals are connected respectively to the first

СИГНАЛАSIGNAL

входами одного из логических эп&лентов И первого и второго каналов, выходы инверторов первого канала соединены с первыми входами вторых логических элементов И первого и второго каналов, а выходы логических элементов ИЛИ соединены со входами общего логического элемента ИЛИ а.the inputs of one of the logical amplifiers AND of the first and second channels, the outputs of the inverters of the first channel are connected to the first inputs of the second logical elements AND of the first and second channels, and the outputs of the logical elements OR are connected to the inputs of the common logical element OR a.

Недостатком данного устройства вл етс невозможность получени сигнала с частотой импульсов, - совпадающей с частотой основной спектральной составл ющей .The disadvantage of this device is the impossibility of obtaining a signal with a pulse frequency that coincides with the frequency of the main spectral component.

Целью изобретени вл етс повышение точности формировани равной частоты выходного сигнала с основной спектральной составл ющей.The aim of the invention is to improve the accuracy of shaping the equal frequency of the output signal from the main spectral component.

Claims

This goal is achieved by the fact that a device for generating a single band signal, containing in each channel a driver of symmetric pulse signals, whose input is connected to one of the input buses, and the outputs are connected to the inputs of two inverters. dy aglogisticheskogo element And; the outputs are connected to the inputs of the OR logic element, and the outputs of the symmetric pulse signal generator of the First channel are connected respectively to the first inputs of one of the logical elements AND of the first and second channels, the inverter outputs of the first channel are connected to the first inputs of the second logical elements AND of the first and second channels, and the outputs of the logical elements OR are connected to the inputs of the common logical element OR, the second channel has an additional form of impulses, the inputs of which are connected The outputs are connected respectively to the outputs of a symmetric pulse signal maker and the inverter outputs of the second channel, and the outputs are connected respectively to the second inputs of the logic elements AND, the additional pulse generator consists of four logic elements AND, the first inputs of which are connected to the input of the imager, the second input of the next of the logical element I is connected to the first one of the previous one, ia output of the logical elements I is connected to the outputs of the former. The described device contains formers of symmetric pulse signals 1 and 2, inverters 3-6, additional driver 7 pulses. logical elements AND 8-11, logical OR 12-14; Input signals are fed to input buses 15 and 16. The output signal is removed from output 17 (Fig. 1). The additional pulse shaper 7 (FIG. 2) consists of the logical elements I18-21. The operation of the described device is as follows. Shapers 1 and 2 are designed to form symmetrical pulse sequences from the input signals that are shifted relative to each other by a quarter period. The signals from the outputs of the imaging unit 1 and their inversion go directly to the inputs of the elements And 8–11, and the signals from the outputs of the imaging device 2 and their inversion arrive at the second inputs of the elements 8 and 11 through the imaging unit 7 pulses. The shaper of 7 impulses is intended to form 14 symmetric pulses of symmetrical pulse signals with a pulse duration equal to a quarter of a period while maintaining the phase ratios of the signals arriving at its turns. The signals received as a result of logical multiplication in the AND 8-11 elements are logically summed up in the OR elements 12-14. ---, N As a result of this conversion, a binary pulse signal is formed; The average frequency of the pulses is equal to the frequency of the main spectral. oh components. Claim 1. A two-channel shaper of a single-band signal, containing in each channel a shaper of symmetric pulse signals, the input of which is connected to one of the input lines, and the outputs of which are connected to the inputs of two inverters, two logical elements AND, the outputs of which are connected to the inputs of the logical element OR , moreover, the outputs of the former of the first channel of the symmetric pulse Signals of the first channel are connected respectively to the first inputs of one of the logical elements And the first and second channels, the outputs of the inverto The ditch of the first channel is connected to the first inputs of the second logical elements AND of the first and second channels, and the outputs h of the logical elements OR of each channel are connected to the inputs of the common logical element OR, so that, in order to increase the accuracy of forming the output signal from the main spectral component; an additional pulse shaper is introduced into the second channel, the inputs of which are connected respectively to the outputs of the symmetric pulse signal generator and the inverter outputs of the second channel, and the outputs are connected respectively to the second inputs of logical elements And the first and second channels.

2. Two-channel shaper. of the single-band signal according to claim 1, which is based on the fact that the additional pulse shaper consists of four logic elements AND, the first inputs of which are connected to the inputs of the driver, the second input of the subsequent logic element AND is connected to the previous BbfM input of the previous one, and the outputs 57468616

And connected to you-1. US patent number 3868601.

shaper moves., kp, 332-45i 02.22.75.

Sources of information, 2. TIIER No. 7, t. 65, 1977,

taken into account during the examination. 108