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Тестер за ИС Hewlett Packard HP 545A Logic Probe → Обява 43867473

Тестер за ИС Hewlett Packard HP 545A Logic Probe
гр. София, Яворов Наблюдавай

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Variable threshold levels
Pulse stretching provides better visibility
Pulse memory and overload protection add reliability
CMOS and other logic families operate between 3 and 18 volts.
A simple TTL/CMOS switch allows selection.
Stretching slows and lengthens short, fast pulses at the display to make them more visible to the operator.
Data streams present a similar visibility problem; the 545A blinks at a constant rate (about 10 MHz) to indicate activity.
Pulse memory ensures that the operator can see intermittent pulses.
High input impedance is standard and helps avoid circuit loading during measurements.
Like all Agilent probes, the 545A is an automatic, multi-family instrument with standard definitions of HIGH, LOW, and bad level common to
both microprocessors and random logic.
The low-cost instrument-on-a-chip 545A requires little operator orientation, no adjustments, and no control setting. Just place the probe tip
on a gate, ROM, address bus, or I/O port and read HIGHs, LOWs, open circuits or bad levels, single pulses, or pulse trains. The simple,
unambiguous, one-lamp indicator allows 360-degree viewing to clearly and quickly show the state of the circuit under test without time-
consuming interpretation
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