Variable resistors

P. 35
errors yes No soldering problems yes Fixed & variable resistor combinations unlimited High frequency performance excellent Calibrated voltage dividers yes Special ohmic values yes Functional (in-circuit)

P. 10
show an application where the voltagedivider or variable resistor is used to make an adjustable, positive LCD bias voltage. The op-amp provides buffering and gain to the resistor-divider network made by the potentiometer (Figure 7), or to a fixed resistor and a variable resistor (Figure 8)

P. 1
to alteration Cement coated wirewound variable resistors Type series RM... Technologies ? mounted on a base plate ? for 230 V AC, 50 Hz ? with safety clutch ? various operating times The motor

P. 43
effi ciency since the regulator is similar to a variable resistor consuming power from the source and is equal to the output load current times the difference between the input and output voltages. Since this power does not reach the load, it is wasted and the resulting heat must be dissipated

P. 5
The variable resistor is to be adjusted such that Isc equals the values specified in Table 39.6. The four representative devices are to be energized for 7 hours, or until current to, or temperature within the SPD attain equilibrium, until the SPD becomes disconnected from the ac supply