Pattern generator

Details Pattern generator Pattern generator

1992-01-17

1994-08-09

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

371 27, H04Q 100

Patent

active

053370457

ABSTRACT:
A pattern generator includes a control unit, an address generation unit, and a data memory unit. The control unit has a plurality of control memories for storing information of the scanning order of addresses, the control unit outputting an address in accordance with the information stored in the control memories. The address generation unit has a plurality of address control memories for storing information used for controlling to generate addresses, the address control memories being provided in correspondence with the control memories, a data multiplexer for selecting and outputting the information outputted from the plurality of address control memories, and an address control unit for controlling to generate the addresses in accordance with the information outputted from the data multiplexer, the address generation unit outputting the addresses generated upon control by the address control unit. The data memory unit stores test pattern data to be supplied to an object to be measured, the data memory unit being accessed in accordance with the addresses outputted from the address generation unit, and outputting the test pattern data at the addresses.

REFERENCES:
patent: 4293950 (1981-10-01), Shimizu et al.
patent: 4450560 (1984-05-01), Conner
patent: 4670879 (1987-06-01), Okino
patent: 4706085 (1987-11-01), Kudo
patent: 4862460 (1989-08-01), Yamaguchi

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