Portable devices combined

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Portable combined devices. Reference guide - V. Kuzin, M. Publisher: Moscow: Radio and communication Year: 1991
 
Offer readers the book is written based on years of experience in the operation of portable devices combined. It contains the main information about the measurements, the principles of construction of a measuring circuit according to the types of the measured physical quantities, given the method of preparation and carrying out of measurements of various physical quantities of the combined devices taking into account the effect of their characteristics on the measurement results.
The book presents technical and metrological characteristics, electrical schematic and wiring diagrams industrial portable devices combined Zhytomyr production Association "Electrostatical" and some versions of the devices other factories.
Discussed the repair of portable devices combined from Troubleshooting to fit the characteristics of the individual elements using the list of typical faults and maps of electrical circuits for each device. This technique allows to facilitate repair.
A number of schemes Amateur combinations of instruments for various purposes with the method of calculation of its elements and practical advice on making. This assumes a creative approach to the design and manufacture of the devices depending on the specific capabilities of Amateur radio. In the process of working on selected designs of readers may have questions on the layout and design of the devices. In such cases, you should consult the referenced literature.
In practice, measurements, received widespread portable combo devices to measure several physical quantities in a wide range of values. Most full capabilities of portable devices combined can be implemented with proper operation and the effect of their characteristics on the measurement results, which requires first of all acquaintance with the theory of measurement and the availability of the necessary information on combined devices such as measuring instruments.
In the operation of portable combined devices may experience various types of malfunctions caused by wear and aging of system components, and improper operator actions. When repairing these devices possible difficulties associated with the lack of marking elements on the circuit boards or connectors, the scheme of the elements and other essential information.
Not every Amateur radio operator has the option to purchase a portable combined unit of factory manufacturing. In this case, it is realistic to mount simple combined unit independently even novice radio Amateurs.
Offer readers the book is written based on years of experience in the operation of portable devices combined. It contains the main information about the measurements, the principles of construction of a measuring circuit according to the types of the measured physical quantities, given the method of preparation and carrying out of measurements of various physical quantities of the combined devices taking into account the effect of their characteristics on the measurement results.
The book presents technical and metrological characteristics, electrical schematic and wiring diagrams industrial portable devices combined Zhytomyr production Association "Electrostatical" and some versions of the devices other factories.
Discussed the repair of portable devices combined from Troubleshooting to fit the characteristics of the individual elements using the list of typical faults and maps of electrical circuits for each device. This technique allows to facilitate repair.