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The I.C. – 74121 is a a dedicated TTL monostable Multivibrator which can be use to generate different width output pulse Nana Sec. up to hundred milli Sec.
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For continuous trigger (re-triggerable) there is another TTL I.C. – 74123. both the I.C.s are used in this experimental board.
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The complete pin – diagram of both the I.C.’s with individual terminals are provided with the experimental board.
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A pulser key with LED (For indicative pulse time is provided on the panel for external triggering.
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There are three trigger inputs and one output (the complemented output is neglected) with external connection of timing components R + R1 and C.
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The resistance R is made variable for obtain different pulse width.
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A complete working manual containing theory, circuit details and operating instruction supplied with the experimental board.
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Builtin I.C. Regulated and short circuit proof ± 5 Volt D.C. Power Supply suitable to the experimental board.
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Stackable type connecting leads suitable to the terminals are supplied with the board for easy inter – connections and longer life of the terminals.
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Weight : 2Kg. Approximately
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Dimension : 280mm × 210mm × 82mm