.. The transistors are preferably Darlington types and, like the diodes, should have adequate ratings to accommodate the power-supply voltage and the motor current. (Don't forget the high inductance of the motor.) The components in Figure ...
.. 2% precision of the LM317 internal voltage reference, making it securely independent of vagaries of both the 5-V logic supply rail and incoming raw DC supply. Figure 1 diagrams how it works. Figure 1. LM317 regulator melds with HC4053 ...
.. application for that device (see Figure 2 of its data sheet). The data-sheet circuit, however, is suitable only for supply voltages in the range +2.7 V to +5.5 V. You can extend that range to 28 V by adding a general-purpose NPN ...
.. flat, wideband response, and an output matching network including the transmission line to the output connector. The power supply block uses a charge pump and dual low-dropout (LDO) voltage regulator to supply positive and negative DC ...
.. around ~1% distortion (Figure 3). Figure 3. The scope image shows the oscillator output at circa 1 kHz. A variation in the supply voltage from 9 V to 12 V causes a frequency variation of only 2 Hz and a variation of output amplitude from ...
.. load resistors R A , R B , and R C yield four ranges of output-current capability. To set the range for a power-supply load, connect the positive lead of the supply to the + input of the load circuit and the negative load to one ...
.. voltage outputs of opposite polarity, are even more so. Figure 1’s version of a symmetrical 0 V to 10 V, 1.5 A lab supply implements an extra handy trick: computer programming via a single PWM output. Figure 1. LM337 , LM317 , and ...
.. is configured to run on a single 5-Vdc to 12-Vdc input, this transducer driver needs a 20-Vdc to 26-Vdc (V_DRIVE) power supply channel in addition to a 5-V regulated DC supply rail. So a dedicated power supply circuitry will be ...
.. a current proportional to the absolute temperature with a scale factor of 1 µA/Kelvin. Resistor R OS and the 15-V supply to which it’s connected sink a current equal to the room-temperature AD590 current of 298.2 µA. ...