Signal sampling gate circuit

Details Signal sampling gate circuit Signal sampling gate circuit

1981-02-25

1984-02-21

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307241, 328152, H03K 1760, G11C 2702

Patent

active

044332556

ABSTRACT:
Signal sampling transistors, to which signals to be sampled are coupled under the control of a first gate signal, and which couples these signals to holds circuits according to the first gate signal, are provided. A switching circuit for differentially switching the signal sampling transistors to complementarily turn off one of these transistors is also provided. This switching circuit includes transistors, one of which is turned on while the other is turned off according to a second gate signal. The individual switching circuit transistors are connected to the respective sampling transistors. With this arrangement, of the sampling transistors one to which the "on" state one of the switching circuit transistors is connected is turned off while the other is turned on. Thus, the conduction state of the sampling transistors for coupling the aforementioned signals to be sampled to the hold circuits can be forcibly controlled by the second gate signal irrespective of the first gate signal.

REFERENCES:
patent: 3792195 (1974-02-01), Wilson et al.
patent: 3835400 (1974-09-01), Briscoe
patent: 4066919 (1978-01-01), Huntington
patent: 4232302 (1980-11-01), Jagatich

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