Chinese Physics C > 1980, Vol. 4 > Issue(6): 689-693

A SIX INPUTS PROGRAMMABLE TRIGGER LOGICAL CIRCUIT

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Abstract：
A Six Inputs Programmable Trigger Logical Circuit (NIM Standard) has beendeveloped using a ECL fully decoded random access memory (RAM) E855 64×1.This circuit can realize various logical functions of the inputs N≤6. While varyinglogical conbinations of the inputs, what is required is only loading the memories againand without hardware or link modifications. It can replace the logical NIM circuitsof the inputs N≤6 which ape used in the on-line experiments of the high energyphysics. Based on this principle, it can be expected to develop a low prices, facile andlarge scale trigger logical system in order to satisfy the requirements of the high energyphysics counter experiments. In this circuit the input signal is standard NIM level with the pulse width≥4 ns.The output signal is also standard NIM level. The output can supply 32 mA currentand connect two 50 Ω loads to form the bridge output. The circuit works with both strobeand no strobe format.
References

[1] A. Fucci et al., Nuclear Instruments and Methods, 17(1977), 587.

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Ding Hui-liang, Yang Xi-rong, Yu Zhong-qiang and Gu Song-hua. A SIX INPUTS PROGRAMMABLE TRIGGER LOGICAL CIRCUIT[J]. Chinese Physics C, 1980, 4(6): 689-693.

Ding Hui-liang, Yang Xi-rong, Yu Zhong-qiang and Gu Song-hua. A SIX INPUTS PROGRAMMABLE TRIGGER LOGICAL CIRCUIT[J]. Chinese Physics C, 1980, 4(6): 689-693. shu

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Received: 1980-03-13
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A SIX INPUTS PROGRAMMABLE TRIGGER LOGICAL CIRCUIT

Received Date:1980-03-13
Accepted Date:1900-01-01
Available Online:1980-12-05

Abstract:A Six Inputs Programmable Trigger Logical Circuit (NIM Standard) has beendeveloped using a ECL fully decoded random access memory (RAM) E855 64×1.This circuit can realize various logical functions of the inputsN≤6. While varyinglogical conbinations of the inputs, what is required is only loading the memories againand without hardware or link modifications. It can replace the logical NIM circuitsof the inputsN≤6 which ape used in the on-line experiments of the high energyphysics. Based on this principle, it can be expected to develop a low prices, facile andlarge scale trigger logical system in order to satisfy the requirements of the high energyphysics counter experiments. In this circuit the input signal is standard NIM level with the pulse width≥4 ns.The output signal is also standard NIM level. The output can supply 32 mA currentand connect two 50 Ω loads to form the bridge output. The circuit works with both strobeand no strobe format.