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SC (Schmitt
Comparator) Head: A simple little design by Martin Keen and Wilf Rigter (added 6/06) |
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Seven Nanosecond Comparator for Single Supply Operation: AN72 Linear
Technology AN72 is an extensive discussion of the causes and cures of problems in very high speed comparator circuits. A separate applications
section uses the 7ns LT1394 in V-to-F converters, crystal oscillators, clock skew generators, triggers, sampling configurations and a
nanosecond pulse stretcher. Appendices cover related topics. |
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Specifying Selected Op Amps and Comparators: National Semiconductor
Application Note (app note added 6/06) |
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Synchronized Window Comparator Eliminates Error: 05/11/95 EDN-Design Ideas / (added 3/03) Precision A/D converters need a window
comparator. The window comparator in Fig 1a is synchronized to the clock signal. This synchronization eliminates errors that could arise when
the input signal crosses the high or low threshold (Fig 1b) unsynchronized to clock. In operation, comparator IC1A sets flip-flop IC2A high
when the input signal rises above the high threshold. Inverting comparator IC1B sets flip-flop IC2A low when the input signal descends past
the low threshold. The second flip-flop, IC2B, synchronizes the first flip-flop's output to the rising edge of the clock signal. Obviously,
the clock signal must be significantly higher in frequency than the input signal to avoid problems with metastability.... |
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Two Buttons Provide Safe Start: 07/06/00 EDN-Design Ideas / (added 7/03)
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 switches without the relay'... |
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UltraLow Power Comparators Include Reference: DN123 Design Notes
(Linear Technology) (app note added 1/06) |
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Voltage Comparator Forms Pulse Demodulator: 11/19/98 EDN-Design Ideas /
(added 3/03) |
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Voltage
Comparator Information And: (electronic design added 10/06) |
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Voltage Comparator Switch: (circuit / schematic added 5/03) |
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Voltage Comparator with Complementary Outputs: Circuit Ideas for
Designers Application Notes Advanced Linear Devices, Inc. (app note added 6/06) |
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Zero Crossing Detector: Circuit Ideas for Designers Application Notes
Advanced Linear Devices, Inc. (app note added 6/06) |
