Sampling network analyzer with stored correction of gain errors
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United States of America Patent
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Nov 8, 1983
Grant Date -
N/A
app pub date -
Apr 30, 1981
filing date -
Apr 30, 1981
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Expired
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Abstract
An improved sampling network analyzer is described, in which a stored memory, for example, a programmable read-only memory (PROM), is utilized to store the discrepancies between various predetermined mid-band voltage gains and their desired, exact values, and to supply this correction information to the sampling network analyzer in order to produce a more accurate amplitude measure of the amplitude of voltages applied to the inputs of the sampling network analyzer. In addition, low- and high-frequency characteristic frequencies can be stored, and correction made for the gain-vs-frequency characteristic of an amplifier or amplifier chain. The correction factors are typically measured in final test of the sampling network analyzer, and programmed into a PROM that is incorporated into the particular sampling network analyzer. In subsequent operation, when the sampling network analyzer invokes a particular voltage gain, the corresponding gain correction factor is read out and utilized, by the instrument, to produce a more accurate representation of input voltage amplitude.
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Patent Owner(s)
- DRANETZ TECHNOLOGIES, INC.,
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Talambiras, Robert P | Springfield, NJ | 2 | 83 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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