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Window Comparator Circuits
Last Updated on:  Thursday, June 25, 2015 06:20 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

 
2 buttons provide safe start -  07/06/00 EDN Design Idea   The circuit in Figure 1 provides 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 switc. . .  [by Vincent Himpe, Alcatel Microelectronics, Desselgem, BelgiumVincent Himpe, Alcatel Microelectronics, Desselgem, Belgium]

 

Absolute-value comparator touts accuracy, size -  03/07/02  EDN Design Idea   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. IC1 is an inverting op amp with a gain of –1. VREF and –VREF create the wi. . .  [by Teno Cipri, Engineering Expressions Consulting, Sunnyvale, CA]

 

Design low-duty-cycle timer circuits -  08/22/02  EDN Design Idea   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 resul. . .  [by Phil Rogers, Texas Instruments Inc, Rockwall, TX]

 

Electronic fuse emulates fast-or slow-bLow fuses -  11/09/00 EDN Design Idea   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 o. . .  [by John A Hasse, Colorado State University, Fort Collins, CO]

 

Expanded-scale indicator revisited -  08/08/02  EDN Design Idea   The visualization aid that a previous Design Idea   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 o. . .  [by Abel Raynus, Armatron International Inc, Melrose, MA]

 

Missing-codes tester checks 16-bit ADC in 7 sec -  06/10/99 EDN Design Idea   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-. . .  [by Mark A Shill, Burr-Brown Corp, Tucson, AZ]

 

Two buttons provide safe start -  07/06/00 EDN Design Idea   The circuit in Figure 1 provides 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 switc. . .  [by Vincent Himpe, Alcatel Microelectronics, Desselgem, BelgiumVincent Himpe, Alcatel Microelectronics, Desselgem, Belgium]


Window Comparator Circuits


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