Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Frequency or repetition rate conversion or control
Patent
1996-09-26
1998-06-16
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Frequency or repetition rate conversion or control
327116, 327115, H03K 708, H03K 906
Patent
active
057677069
ABSTRACT:
The object of the present invention is to offer a rate generator which is capable of generating rate signals of arbitrary time intervals over a wide range, from low speeds to high speeds. An N-bit (wherein N is a natural number) counter 1 counts up according to a clock signal 31. An adder 16 pairs off and adds consecutive rate data 32. An adder 17 pairs off and adds rate data 32 which has been shifted by a single step. An adder 18 sequentially adds the addition results of the adder 16. An adder 19 sequentially adds the addition results of the adder 17. A selector 4 alternately selects the addition results of the adder 18 and the addition results of the adder 19. A correspondence circuit 2 receives the output of the counter 1 as a first input and the output of the selector 4 as a second input, and detects matches between the two inputs. A pulse generation circuit 3 is inputted with the output of the correspondence circuit 2 and a clock signal 31, and outputs a rate signal 33.
REFERENCES:
patent: 3735049 (1973-05-01), Buchner et al.
Ando Electric Co. Ltd.
Callahan Timothy P.
Luu An T.
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