devices Ch7
Ч7-10 приемник-компаратор фазовый предназначен для определения отклонений частоты кварцевых или атомных стандартов по отношению к частоте сигналов образцовых частот, передаваемых радиостанциями.
Значения эталонных частот принимаемых сигналов - 66,6(6) кГц и 200 кГц.
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Ч7-1014/1 компаратор частотный предназначен для измерения относительной разности частот между опорным сигналом синусоидальной формы и исследуемым сигналом синусоидальной формы и периодических немодулированных сигналов с вычислением их метрологических характеристик.
Номинальная частота опорного сигнала - 5 МГц; 10 МГц.
Допускаемое отклонение частоты измеряемого сигнала от частоты опорного сигнала - ±1 Гц.
Номинальная частота входных измеряемых сигналов - 1 МГц; 5 МГц; 10 МГц; 2,048 МГц; 10,24 МГц.
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Для приема сигналов точного времени и эталонных частот, передаваемых радиостанциями в диапазонах КВ и ДВ.
Частоты принимаемых сигналов:
66,6(6)кГц, 100кГц, 2500кГц, 2500±4кГц, 5000кГц, 5000±4кГц, 10000кГц, 10000±4кГц, 15000кГц, 15000±4кГц, 20000кГц, 20000±4кГц, 25000кГц, 25000±4кГц, 30000кГц, 30000±4кГц
Габаритные размеры: 485х80х495мм
Масса -10 кг
Synchronometer Ch7-15 (Ch7 15, Ch715, Ch 7-15, Ch 7 15, Ch-7-15, Ch-15 7)
Synchronometer Ch7-15 - a device for generating time scales and determine with high accuracy moments fulfillment events in real time.
Power - AC 220V, 50Hz.
Power consumption - 35W.
Ч7-317 формирователь эталонных частот резервируемый предназначен для создания сигналов эталонных частот защищенных от сбоев частоты и фазы в групповых эталонах времени и частоты.
Выходные синусоидальные сигналы:
- с частотой - 5 МГц; 10 МГц; 100 МГц;
- напряжением на нагрузке 50 Ом - 1±0,1 В;
- уровень гармонических составляющих в спектре сигнала 5 МГц - не более -30 дБ.
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Ч7-37 синхронометр кварцевый предназначен для формирования шкал времени и определения с высокой точностью моментов свершения событий в реальном масштабе времени.
Частота синхронизации:
- от внешнего источника сигнала - 1 МГц; 5 МГц;
- от внутреннего кварцевого генератора - 5 МГц.
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The comparator Ch7-39 (Ch7 39, Ch 7-39, ch 7 39, ch-7-39)
The comparator Ch7-39 - a device for measuring the actual value and the offset frequency, the power spectral density of the phase noise of sinusoidal signals in the range of 1 MHz - 50 MHz.
The frequency of the input signals:
- 1 MHz, 5 MHz, 10 MHz (internal oscillator);
- 1MHz - 50MHz (with external oscillator).
Ч7-45 компаратор частотный предназначен для измерения разности и нестабильности частот выходных сигналов стандартов частоты и времени, а также нестабильности частоты и фазы, вносимой усилителями, умножителями, делителями частоты и другими четырехполюсниками.
Номинальные значения частот измеряемых сигналов с внешним гетеродином от 1 МГц до 100 МГц - 5 МГц; 10 МГц; 100 МГц.
Отклонение измеряемых частот от номинального значения - не более 10-7.
Относительная разность входных частот - не более 10-7.
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