SU414716A1 - - Google Patents

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Publication number
SU414716A1
SU414716A1 SU1671057A SU1671057A SU414716A1 SU 414716 A1 SU414716 A1 SU 414716A1 SU 1671057 A SU1671057 A SU 1671057A SU 1671057 A SU1671057 A SU 1671057A SU 414716 A1 SU414716 A1 SU 414716A1
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SU
USSR - Soviet Union
Prior art keywords
transformer
thyristor
input
rectifier
capacitor
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Application number
SU1671057A
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Russian (ru)
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Priority to SU1671057A priority Critical patent/SU414716A1/ru
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Publication of SU414716A1 publication Critical patent/SU414716A1/ru

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Description

1one

Изобретение относитс  к импульсной технике и может быть использовано в устройствах дл  формировани  пр моугольных имнульсов из сииусоидалытого напр жени .The invention relates to a pulsed technique and can be used in devices for forming rectangular impulses from sine-voltage.

Известеи форг ;ирователь пр моугольных импульсов, содержащий входпон и выходной импульсные трансформаторы и выпр митель, выполиепный по мостовой схеме и подключенный к вторично; обмотке входного трансформатора .Forge limes, a rectangular impulse detector, containing an input and output pulse transformers and a rectifier, which is bridged and connected to the secondary; winding input transformer.

В другую диагональ выпр мител  включены параллельно конденсатор, а также последовательно соединенные первична  обмотка выходного трансформатора и тиристор.In another diagonal of the rectifier, the capacitor is connected in parallel, as well as the primary winding of the output transformer and the thyristor connected in series.

С иелью получепи  удвоенных импульсов с крутыми фронтами и посто нным периодом тиристор включен в пр мом направлении, переход управл ющий электрод - катод этого тиристора через дополнительный выпр митель подключен параллельно резистору к цепи первичпой обмотки входного трансформатора .With the receipt of double pulses with steep edges and a constant period, the thyristor is connected in the forward direction, the control electrode – cathode transition of this thyristor is connected through an additional rectifier parallel to the resistor to the primary winding of the input transformer.

На чертеже изображена схема формировател .The drawing shows a diagram of the former.

Формирователь содержит входной 1 и выходной 2 импульсные трансформаторы, накопительпый конденсатор 3, резистор 4, основной 5 и дополнительный 6 диодные выпр мители , выполненные по мостовой схеме, тиристор 7.The shaper contains input 1 and output 2 pulse transformers, a storage capacitor 3, a resistor 4, a main 5 and an additional 6 diode rectifiers made by a bridge circuit, a thyristor 7.

Синусоидальное входное напр л ение зар жает конденсатор 3 до момента насыщени  сердечника входного трансформатора. В момент насыщенна реактивное сопротивление обмоток трансформа ора резко снижаетс , зар д конденсатора прекращаетс , напр жение , выделившеес  на резисторе 4, через выпр митель 6 открывает тиристор 7. При открывании тиристора конденсатор 3 начинает разр жатьс  через первичную обмотку трансформатора 2 до момента, определ емого временем перемагиичиваии  этого траисформатора .The sinusoidal input voltage charges the capacitor 3 until the core of the input transformer is saturated. At the moment, the saturated reactance of the windings of the transformer is sharply reduced, the charge of the capacitor is stopped, the voltage released on the resistor 4, through rectifier 6 opens the thyristor 7. When the thyristor is opened, the capacitor 3 begins to discharge through the primary winding of the transformer 2 until it is detected the time of reversal of this trassformator.

Крутизна иереднего фронта имиульса определ етс  временем включени  тиристора 7, а крутизна заднего фронта - коэффнциентом пр моуголыюсти петли гистерезиса сердечника трансформатора 2. Посто нство периода следовани  формируемых импульсов обеспечиваетс  временем перемагничивани  трансФорматора 1.The slope of the front edge of the imiuls is determined by the turn-on time of the thyristor 7, and the steepness of the back front is determined by the coefficient of the right angle of the hysteresis loop of the core of the transformer 2. The period of the following pulse of the generated pulses is provided by the time of magnetization reversal of the transformer 1.

Двухполупериодные выпр мители обеспечивают получение пр моугольных импульсов удвоенно частоты, по сравнению с частотой входного сигнала, со стабильным периодом.Full-wave rectifiers provide double-frequency square-wave pulses, compared with the frequency of the input signal, with a stable period.

Если удвоени  частоты не требуетс , то могут быть использованы однополупернодиые выпр мители. 3 Предмет изобретени  Формирователь пр моугольных импульсов, содержащий входпой и выходной импульсные трансформаторы и выпр митель, выполненпый по мостовой схеме, нричем в одну из диагоналей этого выпр мител  включены параллельно накопительный конденсатор и соединеи 1ые последовательпо первичпа  обмотка выходного трансформатора и тиристор, а в другую-вторична  обмотка входного трансформатора , о т л и ч а ю щ и и с   тем, что, с ;,слью получени  удвоениых пмнульсов с крутыми фронтами и посто нным периодом, тиристор включен в пр мом направлении, а переход управл юо.1,ий электрод - катод тиристора через донолпительный выпр митель подключен параллельпо резистору к цепи первичной обмотки входного трансформатора.If frequency doubling is not required, then semipiperone straighteners can be used. 3 Subject of the invention. A rectangular pulse shaper containing input and output pulse transformers and a rectifier are made according to a bridge circuit, in one of the diagonals of this rectifier are connected in parallel a storage capacitor and the connections of the first transformer primary winding of the output transformer and the thyristor, and in another The secondary winding of the input transformer, which is connected with the fact that, s ;, to double the number of double pulses with steep fronts and a constant period, the thyristor is included in the direct voltage In this case, the control transition 1, iy electrode - the cathode of the thyristor through a donolap rectifier is connected in parallel to the resistor to the primary winding circuit of the input transformer.

SU1671057A 1971-06-21 1971-06-21 SU414716A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1671057A SU414716A1 (en) 1971-06-21 1971-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1671057A SU414716A1 (en) 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
SU414716A1 true SU414716A1 (en) 1974-02-05

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Application Number Title Priority Date Filing Date
SU1671057A SU414716A1 (en) 1971-06-21 1971-06-21

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SU (1) SU414716A1 (en)

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SU459851A1 (en) PULSE AMPLITUDE CONVERTER1 The invention relates to a pulse technique and can be used in devices for converting amplitudes and amplitude selection of pulses. Pulse amplitude transducers are known, which contain an amplitude-storage element, a key, and an output pulse generator. the possibility of obtaining the amplitude of the output pulses, equal to the difference between a given constant value and the amplitude of the input pulses, and inverting the amplitudes, which would allow using them, for example, together with threshold devices for selecting pulses with an amplitude below the set threshold. The purpose of the invention is to obtain an amplitude of output pulses equal to the difference between 20 predetermined constant value and amplitude of input pulses By the fact that in the proposed pulse amplitude converter, made on the basis of a core of a material with a rectangular hysteresis loop (GHP) with four windings, the first winding is connected by beginning through a diode d and a differentiating circuit to the input terminal of the device, the second winding is connected in series with the load of the shaper of the core installation signal in the “O” state, the third is connected in series with the load of the shaper of the core installation signal into the 1 state; the end of the first winding is connected to the grounded pole of the power source, the end of the second and the beginning of the third winding • —to the negative pole of the power source, the fourth winding is connected to the output of the core signal in the “O” state by the end, and through the diode and differentiating the circuit to the output terminal of the device. In the drawing, the diagram of the device is shown. The converter contains a core 1 with a cross circuit voltage switch, carrying four windings, a signal generator setting the core zero 2, a signal generator setting the ser 3. In the input I and output IV circuits of the windings, there are RC circuits connected through diodes. The converter operates as follows. In the absence of input pulses, core 1 is in the initial position "1" corresponding to the limiting magnetization + 5, and drivers 2 and 3 - in standby mode. The diode in the output winding circuit of the IV core is locked with a negative voltage taken from the switching output of the driver 2.