FIELD: industrial electronics; automatics; information and measuring equipment.
SUBSTANCE: bridge meter of bipole parameters consists of feeding pulses generator, which includes synchronization cascade, shapers of sequence of rectangular, linearly changing and quadratic pulses, switching device and power amplifier, bridge circuit is formed by single resistors, included in the first, second and third bridge shoulders, and the fourth shoulder of bridge circuit represents two branches connected in parallel, which form frequency-independent bipole, at that in the second branch of fourth shoulder of bridge circuit the additional resistor is installed, which is connected in parallel to three-element electric circuit, which is made from two resistors and induction coil, and together they shape grounded balancing bipole.
EFFECT: reduction of measurement inaccuracy component, and also reduction of non-stability of these stray capacitances.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
RU2475764C1 |
| BRIDGE CIRCUIT FOR MEASURING PARAMETERS OF TWO-TERMINAL DEVICES | 2011 |
|
RU2461010C1 |
