Design Ideas

More Design Ideas

Inverting level-shift circuit has negative potential

Shift clock logic levels to match the requirements of the driven device. Read More...

Simple automatic-shutoff circuit uses few components

This auto-shutoff circuit uses a bare minimum of components. Read More...

How to configure a low-power timer/oscillator to operate from higher supply voltages

Systems running from higher supply voltages can take advantage of the low supply currents of a micropower timer, by adding a few inexpensive Read More...

How to recover a pulse signal with a large capacitance load

Load capacitance has the potential to alter a pulse’s shape, which should be avoided for pulse-signal transmission. Since the output signal follows Read More...

Obtain a gain of 450 from one vacuum tube

Combine sand (silicon) with vacuum tube technology to get the best of both. Read More...

Probing system lets you test digital ICs

Build a test jig and a combination logic and stimulus injector probe. Read More...

Adjust power-efficient LED switch to any light intensity

Drawing only microamps (other than load current), this circuit switches in accordance with ambient light levels. Read More...

Complementary-pair dc/dc converter simultaneously doubles, inverts supply voltage

Change a single positive supply into twice its positive and equal negative voltages. Read More...

Dual op amp takes absolute difference

The circuit takes the absolute value of the differences of two voltages using two single-supply ground-referenced op amps. Read More...

Automatic night-light feeds directly from the ac line

Switch an ac load on and off with just four components. Read More...

Simple solenoid driver is adaptable and efficient

Use capacitive reactance to save energy while holding a solenoid in the energized position. Read More...

Design an ultra-low-noise S-band amplifier

Use GaAs FETs to build high-performance RF amplifiers. Read More...

Simple anticipator circuit improves on earlier idea

Circuit jumps to final voltage at input signal's change and eliminates overshoot. Read More...

Perform the XOR/XNOR function with a diode bridge and a transistor

Remember DTL? These discrete DTL-like circuits let you implement the XOR and XNOR operations with a minimum of components. Read More...

Use an op amp as a set/reset flip-flop

Eliminate a flip-flop package by using a spare op amp for an SR latch function. Read More...

Generate a pulse width that is inversely proportional to the square root of an analog voltage

This non-retriggerable monostable circuit performs analog conversion of a mathemetical function to time. Read More...

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