Method and apparatus for determining linearity of a ramp signal

Details Method and apparatus for determining linearity of a ramp signal Method and apparatus for determining linearity of a ramp signal

1996-07-19

1998-05-05

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Generating sawtooth or triangular output

327133, 327134, 327135, H03K 408

Patent

active

057480176

ABSTRACT:
An improved system and method of determining the linearity of a ramp signal, including a ramp generator (11) for generating a ramp signal and a vernier delay (15) to provide scan stop signals where the samples are peak detected (17) and stored (21). The ramp generator (11) outputs are divided into equal sections controlled by a precise crystal controlled oscillator (25). The stored signals are processed and compared to detect errors.

REFERENCES:
patent: 3735261 (1973-05-01), Vahlstrom et al.
patent: 4855968 (1989-08-01), Shank
patent: 4908784 (1990-03-01), Box et al.
patent: 4982350 (1991-01-01), Perna et al.
patent: 5283515 (1994-02-01), Jordan
patent: 5347176 (1994-09-01), Bloom
Rettig, John B., "Picosecond Time Interval Measurements," IEEE Transactions on Instrumentation and Measurement vol. 44, No. 2, Apr. 1995, pp. 284-287.

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