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<p>and finally the <a href="page.php?w=VAX_9000">VAX 9000</a>. By 1991, the CMOS <a href="page.php?w=NVAX">NVAX</a> was launched, which offered comparable performance to the VAX 9000 despite costing 1/25 as much and consuming considerably less power. The <a href="page.php?w=R6000">MIPS R6000</a> computers also used ECL. Some of these computer designs used ECL <a href="page.php?w=gate_array">gate array</a>s.</p>

<p><big>Implementation</big></p>
<p><a href="page.php?w=Image%3AECL_structure_1000.jpg">right</a>ECL is based on an emitter-coupled (<a href="page.php?w=Differential_amplifier">long-tailed</a>)</p><p>
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