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Window Comparator Circuits
 

Last Updated: October 18, 2017 05:04 AM

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2 buttons provide safe start -  07/06/00 EDN Design Ideas:  The circuit in Figure 1 provide as a safety interlock that checks the actuation of two pushbuttons before enabling a relay.  When you push both buttons, the circuit actuates the relay.  At that point, you can release one of the switches without the relay' __ Circuit Design by Vincent Himpe, Alcatel Microelectronics, Desselgem, Belgium

Absolute-value comparator touts accuracy, size -  03/07/02  EDN Design Ideas:  A typical window comparator uses two comparators and a single op amp to determine whether a voltage is inside or outside a boundary region.  Figure 1 shows a typical implementation.  IC 1 is an inverting op amp with a gain of –1.  VREF and –VREF create the wi __ Circuit Design by Teno Cipri, Engineering Expressions Consulting, Sunnyvale, CA

2 buttons provide safe start -  07/06/00 EDN Design Ideas:  The circuit in Figure 1 provide as a safety interlock that checks the actuation of two pushbuttons before enabling a relay.  When you push both buttons, the circuit actuates the relay.  At that point, you can release one of the switches without the relay' __ Circuit Design by Vincent Himpe, Alcatel Microelectronics, Desselgem, Belgium

Absolute-value comparator touts accuracy, size -  03/07/02  EDN Design Ideas:  A typical window comparator uses two comparators and a single op amp to determine whether a voltage is inside or outside a boundary region.  Figure 1 shows a typical implementation.  IC 1 is an inverting op amp with a gain of –1.  VREF and –VREF create the wi __ Circuit Design by Teno Cipri, Engineering Expressions Consulting, Sunnyvale, CA

Design low-duty-cycle timers -  08/22/02 EDN Design Ideas:  Designing astable circuits using the industry-standard 555 timer is a straightforward process when duty cycles are 50% or greater.  However, you must overcome the many pitfalls of low-duty-cycle circuits to arrive at a desired result.  Using only ideal components eases the design, but the components themselves are hard to obtain __ Circuit Design by Phil Rogers, Texas Instruments Inc, Rockwall, TX

Electronic fuse emulates fast- or slow-blow fuses -  11/09/00 EDN Design Ideas:  The electronic-fuse circuit in Figure 1 combines the properties of a current transducer and a solid-state relay to disconnect low power at preset levels.   Using this circuit lets.   PDF contains multiple circuits, scroll to find the one of interest __ Circuit Design by John A Hasse, Colorado State University, Fort Collins, CO

Expanded-scale indicator revisited -  08/08/02 EDN Design Ideas:  The visualization aid that a previous Design ideas describes allows only the expansion of the upper end of the scale (Reference 1].  But what can you do if, according to your project requirements, you need to expand the middle region of the scale? Figure 1a illustrates the challenge.  A voltmeter comprises a 100-µA dc meter and a series resistor __ Circuit Design by Abel Raynus, Armatron International Inc, Melrose, MA

Missing-codes tester checks 16-bit ADC in 7 sec -  06/10/99 EDN Design Ideas:  As the resolution of ADCs increases from 12 to 16 bits and higher, the difficulty in testing the"nomissing-codes"specification grows proportionately.  To fully guarantee no missing codes for a 16-bit ADC requires testing all 2 16-1 possible output __ Circuit Design by Mark A Shill, Burr-Brown Corp, Tucson, AZ

Two buttons provide safe start -  07/06/00 EDN Design Ideas:  The circuit in Figure 1 provide as a safety interlock that checks the actuation of two pushbuttons before enabling a relay.  When you push both buttons, the circuit actuates the relay.  At that point, you can release one of the switches without the relay' __ Circuit Design by Vincent Himpe, Alcatel Microelectronics, Desselgem, Belgium


Window Comparator

 


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