
{"publication_number": "US-5300839-A", "abstract": "a sense amplifier circuit is provided for sensing a very small signal includes two mos transistors responsive to a differential voltage between first and second input signal lines to conduct a differential operation and switches respectively connected between drain regions and gate regions respectively of the two mos transistors . before the circuit senses and amplifies the signal , the switches are turned on to generate threshold voltages between the gate regions and the source regions respectively of the two transistors . consequently , according to the variation in the threshold voltage between the respective transistors , a self - adjustment is achieved on bias voltages of the transistors before the signal amplification . the sense amplifier circuit resultantly develops its operation independent of the variation in the threshold voltage . one use for this sense amplifier circuit is to serve as a sense amplifier for a dram .", "application_number": "US-86585292-A", "description": "referring now to the drawings , description will be given of embodiments according to the present invention . fig1 shows the conceptual structure of the present invention . the configuration includes sense amplifier circuits sa1 to sa3 for respectively amplifying very weak differential signals read from memory cells mc1 to mc6 and input / output terminals { d1 ,/ d1 