.. but not wasting excess power when idle. The circuit of Figure 1 shows how an embedded processor can control its own supply voltage via a simple step-down converter and inexpensive digital potentiometer. Figure 1. Under control of ...
.. key part of any electronic device is the power supply. Any instability or malfunction of the power supply part causes the device to stop working or demonstrate ...
.. the simple VFC shown in Figure 1 is a variation on that basic theme. It’s adapted for operation from a single supply rail, with convenient and flexible differential bipolar inputs, and acceptable linearity while running at ...
.. 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 ...
.. the value of C 1 .) The circuit in Figure 2 operates with 5.5 V dual power supplies. You can convert it to a single-supply 2.7 to 10 V circuit by grounding Pin 4 of IC 1 , IC 2 , and IC 3 ; connecting a 1-µF capacitor from Pin ...
.. in an umbrella shape, fed at the center, with the outer ring acting as a ground: Step 3: Build a 3 channel step-up power supply using an AVR ATMega48, 47 µH inductors, IRLU3715 mosfets, TC4427A mosfet drivers, and other ...
.. circuit can be eliminated, and the LED connected between the upper terminal of R5 and “+A”. Due to the wide supply voltage range, the current through the LEDs can increase 100% or more. Since the LEDs are quite bright, some ...
.. Click to enlarge Power: Due to the large number of LEDs additional current may be needed. The connector can be used to supply 1.5 A to drive the LEDs. Please note that this MUST be regulated 5 volts as there is no on-board voltage ...
.. at D 2 ‘s anode reaches 0.7 V and is insufficient to trigger MOSFET-driver IC 2 . Q 1 now switches off, removing supply voltage from the solenoids and reverse-biasing diode D 1 . Capacitor C 2 starts to discharge through R 2 and ...