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The series resistor R s reduces the chance of overtone oscillation and can improve start-up time. [3] This second resistor R s isolates the inverter from the crystal network. This would also add additional phase shift to C 1. [4] Pierce oscillators above 4 MHz should use a small capacitor rather than a resistor for R s. [4]
It is the time required to charge the capacitor, through the resistor, from an initial charge voltage of zero to approximately 63.2% of the value of an applied DC voltage, or to discharge the capacitor through the same resistor to approximately 36.8% of its final charge voltage.
Switched-capacitor resistor. The simplest switched-capacitor (SC) circuit is made of one capacitor and two switches S 1 and S 2 which alternatively connect the capacitor to either in or out at a switching frequency of .
For simple, low-powered loads such as a neon lamp, a fixed resistor is commonly used.Because the resistance of the ballast resistor is large it determines the current in the circuit, even in the face of negative resistance introduced by the neon lamp.
That is, the combination of the real generator and the INIC will now behave like a composed ideal current source; its output current will be the same for any load . In particular, any current that is shunted away from the load into the Norton equivalent resistance R s {\displaystyle R_{s}} will be supplied by the INIC instead.
A load line diagram, illustrating an operating point in the transistor's active region. Bipolar transistors must be properly biased to operate correctly. In circuits made with individual devices (discrete circuits), biasing networks consisting of resistors are commonly employed.
Graphical interpretation of the parallel operator with =.. The parallel operator ‖ (pronounced "parallel", [1] following the parallel lines notation from geometry; [2] [3] also known as reduced sum, parallel sum or parallel addition) is a mathematical function which is used as a shorthand in electrical engineering, [4] [5] [6] [nb 1] but is also used in kinetics, fluid mechanics and ...
The comptometer-type calculator was the first machine to receive an all-electronic calculator engine in 1961 (the ANITA mark VII released by Sumlock comptometer of the UK). In 1890 W. T. Odhner got the rights to manufacture his calculator back from Königsberger & C , which had held them since it was first patented in 1878, but had not really ...
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