By D. F. A. Edwards
Read or Download Electronic Measurement Techniques PDF
Similar circuits books
Frequency Compensation Techniques for Low-Power Operational Amplifiers
Frequency reimbursement innovations for Low-Power Operational Amplifiers is meant for pro designers of built-in amplifiers, emphasizing low-voltage and low-power options. The publication bridges the space among the pro designer's wishes and on hand innovations for frequency reimbursement.
Digital Audio Signal Processing
Good demonstrated within the patron electronics undefined, electronic Audio sign Processing (DASP) thoughts are utilized in audio CD, desktop track and DAT elements. furthermore the functions afforded by way of this flexible know-how now diversity from real-time sign processing to room simulation. Grounding the theoretical foundations of DASP when it comes to sensible functions, this ebook offers intending to the mathematical recommendations at the back of this topic region.
Electronics. Circuits, Amplifiers and Gates
Brought greater than a decade in the past, the 1st version of D. V. Bugg's Electronics: Circuits, Amplifiers and Gates turned commonly well known for its accomplished but concise assurance of the entire significant introductory subject matters in electronics. at the present time, semiconductor chips and built-in circuits are used universally.
Toward 5G Software Defined Radio Receiver Front-Ends
This ebook introduces a brand new intuitive layout technique for the optimum layout direction for next-generation software program outlined radio front-ends (SDRXs). The technique defined empowers designers to "attack" the multi-standard surroundings in a parallel method instead of serially, supplying a serious software for any layout technique concentrating on 5G circuits and structures.
- Continuous-Time Delta-Sigma Modulators for High-Speed A/D Conversion: Theory, Practice and Fundamental Performance Limits
- Fast analytical techniques for electrical and electronic circuits
- IRSE Green Book No.8 Typical Selection Circuits (British Practice) 1968
- Transistor Circuit Techniques: Discrete and Integrated
- Routing Congestion in VLSI Circuits: Estimation and Optimization (Series on Integrated Circuits and Systems)
Additional resources for Electronic Measurement Techniques
Sample text
The shunt, however, does not DIRECT CURRENT INSTRUMENTS 39 increase in value to any great extent, being made, not of copper as is the moving coil, but of a special alloy such as Manganin. The result is that the magnification of the shunt varies. The difficulty is overcome by connecting a resistance in series with the instrument, large enough to make the changes in the latter's resistance negligible in comparison. This swamping resistance, as it is called, is made of the same alloy as the shunt, (see Fig.
When S is set at 1002 there would be a deflection of say 40 mm to one side and when S is at 1000 there might be 20 mm the other way. However, if the deflection in the latter case was only 2 mm, it would not be correct to assume that 1001 was the correct value since the galvanometer sensitivity would not be high enough to justify this assumption. If, on the other hand, the galvanometer was too sensitive there might be a deflection of 1-5 m one side, 1 m the other side and 50 mm for the 1001 setting.
This behaviour is the mechanical equivalent of the electrical circuit containing inductance and capacitance; the inductance correspond ing to the mass and the capacitance to the reciprocal of the elasticity. The reader will be familiar with the effect of resistance in a circuit. The corresponding damping effect in the case of the galvanometer is of great practical importance, for if the instrument has little damping the pointer will swing backwards and forwards a great many times before coming to rest at its deflected position corresponding to the particular value of current.
