Amplifiers – With distributed parameter-type coupling means
Patent
1977-11-18
1979-06-05
Dahl, Lawrence J.
Amplifiers
With distributed parameter-type coupling means
310318, 330 57, H03F 360
Patent
active
041575105
ABSTRACT:
The amplifier is intended for use in situations where a considerable distance separates the instrument (for example a piezo-electric transducer) to be monitored and the control room. The amplifier comprises a charge/current converter for converting the charge output of the instrument into a current signal, the charge/current converter being connected to operate as a high impedance current source, a current/voltage converter and a connecting cable connecting the current output of the charge current converter to the input of the current/voltage converter.
REFERENCES:
patent: RE28596 (1975-10-01), Siegel
patent: 2252613 (1941-08-01), Bingley
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