Based on the analysis of DC characteristics of silicon bipolar transistors at low temperature, DC analytic models of ECL circuit at low temperature are derived, then compared with the experimental data and computer si...Based on the analysis of DC characteristics of silicon bipolar transistors at low temperature, DC analytic models of ECL circuit at low temperature are derived, then compared with the experimental data and computer simulation results. The modification of SPICE BJT model about temperature and design of low temperature ECL circuit are discussed.展开更多
Detailed analysis on transient characteristics of ECL circuits are performed in this paper, then a relatively exact propagation delay expression applied for all temperatures is presented. The cryogenic characteristics...Detailed analysis on transient characteristics of ECL circuits are performed in this paper, then a relatively exact propagation delay expression applied for all temperatures is presented. The cryogenic characteristics of some dominant parameters contributed to propagation delay are also discussed. The model achieved is suitable for optimum designs of high speed devices and circuits at all temperatures.展开更多
This paper presents a synthesis methodology for ECL circuits based on a mixed voltage-current signal representation and operation defined on the voltage and current signals. The ideas presented in this paper are then ...This paper presents a synthesis methodology for ECL circuits based on a mixed voltage-current signal representation and operation defined on the voltage and current signals. The ideas presented in this paper are then demonstrated on the design of an BCL 1-bit full adder. The paper concludes by presenting an algebraic system which is suitable for current signal representation and operation on currents.展开更多
The theory of differential current switches which applies to the design of multivaluedECL circuits is introduced.In this theory,the switching state of differential transistor pairand signal in ECL circuits are describ...The theory of differential current switches which applies to the design of multivaluedECL circuits is introduced.In this theory,the switching state of differential transistor pairand signal in ECL circuits are described by switching variables and quaternary signal variables,respectively.he connection operations between the two kinds of variables are introduced todescribe the action process between switching element and signal in the circuits.Based on thistheory,two kinds of interface circuits-2-4 encoder and 4-2 decoder are designed.The computersimulation for the designed circuits by using SPICE program confirms that both circuits havecorrect logic functions,desired DO transfer characteristics and transient characteristics.Theseinterface circuits are compatible with binary circuits in the integrated process,the power supplyequipment,the logic stage and the transient characteristic.Therefore,they can be used as input-output interface of the existing binary ECL integrated circuits so as to decrease the number ofpins of a chip and the connections between chips.展开更多
文摘Based on the analysis of DC characteristics of silicon bipolar transistors at low temperature, DC analytic models of ECL circuit at low temperature are derived, then compared with the experimental data and computer simulation results. The modification of SPICE BJT model about temperature and design of low temperature ECL circuit are discussed.
文摘Detailed analysis on transient characteristics of ECL circuits are performed in this paper, then a relatively exact propagation delay expression applied for all temperatures is presented. The cryogenic characteristics of some dominant parameters contributed to propagation delay are also discussed. The model achieved is suitable for optimum designs of high speed devices and circuits at all temperatures.
基金Supported by NNSF of China(No169573008)DARPA under contract # F33615-95-C-1627
文摘This paper presents a synthesis methodology for ECL circuits based on a mixed voltage-current signal representation and operation defined on the voltage and current signals. The ideas presented in this paper are then demonstrated on the design of an BCL 1-bit full adder. The paper concludes by presenting an algebraic system which is suitable for current signal representation and operation on currents.
基金The project is supported by Zhejiang Provincial Natural Science Fund of China
文摘The theory of differential current switches which applies to the design of multivaluedECL circuits is introduced.In this theory,the switching state of differential transistor pairand signal in ECL circuits are described by switching variables and quaternary signal variables,respectively.he connection operations between the two kinds of variables are introduced todescribe the action process between switching element and signal in the circuits.Based on thistheory,two kinds of interface circuits-2-4 encoder and 4-2 decoder are designed.The computersimulation for the designed circuits by using SPICE program confirms that both circuits havecorrect logic functions,desired DO transfer characteristics and transient characteristics.Theseinterface circuits are compatible with binary circuits in the integrated process,the power supplyequipment,the logic stage and the transient characteristic.Therefore,they can be used as input-output interface of the existing binary ECL integrated circuits so as to decrease the number ofpins of a chip and the connections between chips.
